{"product_id":"bulk-l-tryptophan-powder","title":"Wholesome in bulk™ L-Tryptophan Powder, Free Form Amino Acid","description":"\u003cstyle\u003e\n  .lp-product-story,\n  .lp-product-story * {\n    box-sizing: border-box;\n  }\n\n  .lp-product-story {\n    --lp-green: #263d34;\n    --lp-green-soft: #eef3ef;\n    --lp-green-line: #d8e3dc;\n    --lp-gold: #aa8b55;\n    --lp-gold-text: #8a6c38;\n    --lp-cream: #faf8f3;\n    --lp-border: #e5e0d6;\n    --lp-text: #323834;\n    --lp-muted: #5f6762;\n    --lp-red: #b32727;\n    --lp-red-dark: #922020;\n    --lp-warn: #b9893e;\n    --lp-warn-bg: #fff8ec;\n    --lp-warn-line: #ecdcbc;\n    --lp-warn-text: #7a5a22;\n    --lp-radius: 6px;\n    --lp-gap: 20px;\n    --lp-pad: 56px;\n\n    \/* Type scale: five sizes only *\/\n    --lp-fs-xs: 13px;\n    --lp-fs-sm: 15px;\n    --lp-fs-md: 17px;\n    --lp-fs-h2: clamp(26px, 2.6vw, 34px);\n    --lp-fs-xl: clamp(30px, 3.6vw, 44px);\n\n    width: 100%;\n    max-width: none;\n    margin: 36px 0 0;\n    color: var(--lp-text);\n    font-size: var(--lp-fs-md);\n    --lp-fs: var(--lp-fs-md);\n    line-height: 1.75;\n  }\n\n  .lp-product-story h2,\n  .lp-product-story h3,\n  .lp-product-story p {\n    margin-top: 0;\n  }\n\n  .lp-product-story h2,\n  .lp-product-story h3 {\n    text-wrap: balance;\n  }\n\n  .lp-product-story {\n    font-variant-numeric: lining-nums;\n  }\n\n  \/* Theme guard. The theme sets p, li, strong and h2 sizes with ID selectors and !important,\n     which would override this design. Each element below names its step in --lp-fs, and this\n     rule applies it. The :not(#...) parts only raise specificity above the theme's rules. *\/\n  .lp-product-story:not(#lp-g1):not(#lp-g2):not(#lp-g3) :is(h2, h3, p, li, span, strong, b, em, a) {\n    font-size: var(--lp-fs) !important;\n  }\n\n  .lp-product-story .lp-eyebrow {\n    display: block;\n    margin-bottom: 12px;\n    color: var(--lp-gold-text);\n    --lp-fs: var(--lp-fs-xs);\n    font-weight: 700;\n    letter-spacing: 0.15em;\n    line-height: 1.4;\n    text-transform: uppercase;\n  }\n\n  \/* INTRO *\/\n  .lp-intro {\n    position: relative;\n    overflow: hidden;\n    padding: 64px 64px 60px;\n    margin-bottom: 72px;\n    background: linear-gradient(120deg, #22382f 0%, #2a453a 55%, #31503f 100%);\n    border-radius: var(--lp-radius);\n    color: #ffffff;\n  }\n\n  .lp-intro:before {\n    content: \"\";\n    position: absolute;\n    top: -180px;\n    right: -140px;\n    width: 560px;\n    height: 560px;\n    border-radius: 50%;\n    background: radial-gradient(circle, rgba(218, 199, 162, 0.16) 0%, rgba(218, 199, 162, 0) 65%);\n    pointer-events: none;\n  }\n\n  .lp-intro:after {\n    content: \"\";\n    position: absolute;\n    top: 0;\n    right: 0;\n    bottom: 0;\n    width: 58%;\n    background-image: url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' width='52' height='90' viewBox='0 0 52 90'%3E%3Cpath d='M26 0L52 15V45L26 60L0 45V15Z M26 60V90' fill='none' stroke='%23ffffff' stroke-opacity='0.085' stroke-width='1'\/%3E%3C\/svg%3E\");\n    background-size: 52px 90px;\n    -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000000 75%);\n    mask-image: linear-gradient(90deg, transparent 0%, #000000 75%);\n    pointer-events: none;\n  }\n\n  .lp-intro \u003e * {\n    position: relative;\n    z-index: 1;\n  }\n\n  .lp-intro .lp-eyebrow {\n    margin-bottom: 16px;\n    color: #dac7a2;\n    --lp-fs: var(--lp-fs-md);\n    letter-spacing: 0.12em;\n  }\n\n  .lp-intro h2 {\n    max-width: none; text-wrap: wrap;\n    margin-bottom: 20px;\n    color: #ffffff;\n    --lp-fs: var(--lp-fs-xl);\n    font-weight: 500;\n    line-height: 1.15;\n    letter-spacing: -0.02em;\n  }\n\n  .lp-intro p {\n    max-width: none;\n    margin-bottom: 0;\n    color: rgba(255, 255, 255, 0.88);\n    --lp-fs: var(--lp-fs-md);\n    line-height: 1.75;\n  }\n\n  \/* GENERAL SECTIONS *\/\n  .lp-section {\n    margin: 72px 0;\n  }\n\n  .lp-section-header {\n    display: grid;\n    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);\n    grid-template-rows: 1fr auto;\n    column-gap: var(--lp-pad);\n    align-items: end;\n    margin-bottom: 32px;\n    padding-bottom: 28px;\n    border-bottom: 1px solid var(--lp-border);\n  }\n\n  .lp-section-header \u003e * {\n    grid-column: 1;\n  }\n\n  .lp-section-header .lp-eyebrow {\n    margin-bottom: 10px;\n  }\n\n  .lp-section-header h2 {\n    margin-bottom: 0;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-h2);\n    font-weight: 500;\n    line-height: 1.2;\n    letter-spacing: -0.015em;\n  }\n\n  .lp-section-header p {\n    grid-column: 2;\n    grid-row: 1 \/ span 2;\n    max-width: none;\n    margin-bottom: 0;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-md);\n  }\n\n  \/* BENEFIT GRID *\/\n  .lp-benefits {\n    display: grid;\n    grid-template-columns: repeat(3, minmax(0, 1fr));\n    gap: var(--lp-gap);\n  }\n\n  .lp-benefits \u003e .lp-benefit-full {\n    grid-column: 1 \/ -1;\n  }\n\n  \/* Card grids: 3 across by default. 2 or 4 cards, or a full-width card, go 2 across so no card sits alone. *\/\n  @media (min-width: 1024px) {\n    :is(.lp-benefits, .lp-quality-grid, .lp-storage-grid, .lp-compare-grid):has(\u003e :nth-child(2):last-child),\n    :is(.lp-benefits, .lp-quality-grid, .lp-storage-grid, .lp-compare-grid):has(\u003e :nth-child(4):last-child),\n    .lp-benefits:has(\u003e .lp-benefit-full) {\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n    }\n  }\n\n  .lp-benefit {\n    position: relative;\n    padding: 30px 28px 28px 32px;\n    background: #ffffff;\n    border: 1px solid var(--lp-border);\n    border-radius: var(--lp-radius);\n  }\n\n  .lp-benefit:before {\n    content: \"\";\n    position: absolute;\n    top: 31px;\n    left: -1px;\n    width: 3px;\n    height: 26px;\n    background: var(--lp-gold);\n  }\n\n  .lp-benefit h3 {\n    margin-bottom: 10px;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-md);\n    font-weight: 700;\n    line-height: 1.4;\n  }\n\n  .lp-benefit p {\n    margin-bottom: 0;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-sm);\n    line-height: 1.7;\n  }\n\n  \/* FORMULATION SECTION *\/\n  .lp-formulation-wrap {\n    display: grid;\n    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);\n    grid-template-rows: auto auto 1fr auto;\n    column-gap: var(--lp-pad);\n    align-items: start;\n    padding: 52px var(--lp-pad);\n    background: var(--lp-cream);\n    border: 1px solid var(--lp-border);\n    border-radius: var(--lp-radius);\n  }\n\n  .lp-formulation-wrap \u003e * {\n    grid-column: 1;\n  }\n\n  .lp-formulation-wrap h2 {\n    margin-bottom: 14px;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-h2);\n    font-weight: 500;\n    line-height: 1.2;\n    letter-spacing: -0.015em;\n  }\n\n  .lp-formulation-wrap \u003e p {\n    margin-bottom: 0;\n    color: var(--lp-muted);\n  }\n\n  .lp-formulations {\n    grid-column: 2;\n    grid-row: 1 \/ span 3;\n    align-self: center;\n    display: grid;\n    grid-template-columns: repeat(2, minmax(0, 1fr));\n    gap: 0 28px;\n    padding: 0;\n    margin: 0;\n    list-style: none;\n  }\n\n  .lp-formulations li {\n    position: relative;\n    padding: 13px 0 13px 36px;\n    border-bottom: 1px solid rgba(38, 61, 52, 0.1);\n    color: var(--lp-text);\n    --lp-fs: var(--lp-fs-sm);\n    line-height: 1.6;\n  }\n\n  .lp-formulations li:before {\n    content: \"\\2713\";\n    position: absolute;\n    left: 0;\n    top: 14px;\n    width: 22px;\n    height: 22px;\n    border-radius: 50%;\n    background: var(--lp-green);\n    color: #ffffff;\n    font-size: var(--lp-fs-xs);\n    font-weight: 700;\n    line-height: 22px;\n    text-align: center;\n  }\n\n  .lp-formulation-wrap \u003e .lp-highlight {\n    grid-column: 1 \/ -1;\n    margin: 36px 0 0;\n    padding: 24px 28px;\n    background: #ffffff;\n    border-left: 3px solid var(--lp-gold);\n    border-radius: 0 var(--lp-radius) var(--lp-radius) 0;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-md);\n    line-height: 1.7;\n  }\n\n  \/* PANELS: commercial quality, storage, comparison *\/\n  .lp-quality-wrap,\n  .lp-storage-wrap,\n  .lp-compare-wrap {\n    display: grid;\n    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);\n    grid-template-rows: 1fr auto;\n    grid-auto-rows: auto;\n    column-gap: var(--lp-pad);\n    align-items: end;\n    padding: 52px var(--lp-pad);\n    background: #ffffff;\n    border: 1px solid var(--lp-border);\n    border-radius: var(--lp-radius);\n  }\n\n  :is(.lp-quality-wrap, .lp-storage-wrap, .lp-compare-wrap) \u003e * {\n    grid-column: 1 \/ -1;\n  }\n\n  :is(.lp-quality-wrap, .lp-storage-wrap, .lp-compare-wrap) \u003e :is(.lp-eyebrow, h2) {\n    grid-column: 1;\n  }\n\n  :is(.lp-quality-wrap, .lp-storage-wrap, .lp-compare-wrap) .lp-eyebrow {\n    margin-bottom: 10px;\n  }\n\n  :is(.lp-quality-wrap, .lp-storage-wrap, .lp-compare-wrap) h2 {\n    margin-bottom: 0;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-h2);\n    font-weight: 500;\n    line-height: 1.2;\n    letter-spacing: -0.015em;\n  }\n\n  :is(.lp-quality-wrap \u003e .lp-quality-intro, .lp-storage-wrap \u003e .lp-storage-intro, .lp-compare-wrap \u003e .lp-compare-intro) {\n    grid-column: 2;\n    grid-row: 1 \/ span 2;\n    max-width: none;\n    margin-bottom: 0;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-md);\n  }\n\n  .lp-quality-grid,\n  .lp-storage-grid,\n  .lp-compare-grid {\n    display: grid;\n    grid-template-columns: repeat(3, minmax(0, 1fr));\n    gap: var(--lp-gap);\n    margin-top: 36px;\n    counter-reset: lpq;\n  }\n\n  .lp-quality-item,\n  .lp-storage-item,\n  .lp-compare-item {\n    counter-increment: lpq;\n    padding: 28px 26px 26px;\n    background: var(--lp-cream);\n    border: 1px solid var(--lp-border);\n    border-radius: var(--lp-radius);\n  }\n\n  :is(.lp-quality-item, .lp-storage-item, .lp-compare-item) h3 {\n    margin-bottom: 8px;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-md);\n    font-weight: 700;\n    line-height: 1.4;\n  }\n\n  .lp-quality-item h3:before {\n    content: counter(lpq, decimal-leading-zero);\n    display: block;\n    font-variant-numeric: lining-nums tabular-nums;\n    margin-bottom: 10px;\n    color: var(--lp-gold-text);\n    font-size: var(--lp-fs-xs);\n    font-weight: 700;\n    letter-spacing: 0.12em;\n  }\n\n  :is(.lp-quality-item, .lp-storage-item, .lp-compare-item) p {\n    margin-bottom: 0;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-sm);\n    line-height: 1.7;\n  }\n\n  .lp-quality-wrap \u003e :is(.lp-buyer-note, .lp-positioning-note, .lp-economics-note, .lp-transparency-note, .lp-research-note),\n  .lp-compare-wrap \u003e :is(.lp-compare-note, .lp-caution) {\n    margin: 20px 0 0;\n    padding: 22px 26px;\n    background: var(--lp-green-soft);\n    border-left: 3px solid var(--lp-gold);\n    border-radius: 0 var(--lp-radius) var(--lp-radius) 0;\n    color: var(--lp-text);\n    --lp-fs: var(--lp-fs-sm);\n    line-height: 1.7;\n  }\n\n  :is(.lp-buyer-note, .lp-positioning-note, .lp-economics-note, .lp-transparency-note, .lp-research-note, .lp-compare-note, .lp-caution) strong {\n    color: var(--lp-green);\n  }\n\n  .lp-storage-wrap {\n    background: var(--lp-cream);\n  }\n\n  .lp-storage-wrap .lp-storage-item {\n    background: #ffffff;\n  }\n\n  .lp-compare-wrap \u003e .lp-caution {\n    position: relative;\n    padding-left: 58px;\n    background: var(--lp-warn-bg);\n    border-left-color: var(--lp-warn);\n  }\n\n  .lp-compare-wrap \u003e .lp-caution:before {\n    content: \"!\";\n    position: absolute;\n    top: 23px;\n    left: 22px;\n    width: 22px;\n    height: 22px;\n    border: 1px solid var(--lp-warn);\n    border-radius: 50%;\n    background: #ffffff;\n    color: var(--lp-warn-text);\n    font-size: var(--lp-fs-xs);\n    font-weight: 700;\n    line-height: 20px;\n    text-align: center;\n  }\n\n  \/* SAFETY *\/\n  .lp-safety-wrap {\n    display: grid;\n    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);\n    grid-template-rows: auto auto 1fr;\n    column-gap: var(--lp-pad);\n    align-items: start;\n    padding: 52px var(--lp-pad);\n    background: var(--lp-warn-bg);\n    border: 1px solid var(--lp-warn-line);\n    border-radius: var(--lp-radius);\n  }\n\n  .lp-safety-wrap \u003e * {\n    grid-column: 1;\n  }\n\n  .lp-safety-wrap .lp-eyebrow {\n    margin-bottom: 10px;\n  }\n\n  .lp-safety-wrap h2 {\n    margin-bottom: 14px;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-h2);\n    font-weight: 500;\n    line-height: 1.2;\n    letter-spacing: -0.015em;\n  }\n\n  .lp-safety-wrap \u003e p {\n    margin-bottom: 0;\n    color: var(--lp-text);\n  }\n\n  .lp-safety-list {\n    grid-column: 2;\n    grid-row: 1 \/ span 3;\n    align-self: center;\n    padding: 0;\n    margin: 0;\n    list-style: none;\n  }\n\n  .lp-safety-list li {\n    position: relative;\n    padding: 13px 0 13px 36px;\n    border-bottom: 1px solid rgba(185, 137, 62, 0.22);\n    color: var(--lp-text);\n    --lp-fs: var(--lp-fs-sm);\n    line-height: 1.6;\n  }\n\n  .lp-safety-list li:last-child {\n    border-bottom: 0;\n  }\n\n  .lp-safety-list li:before {\n    content: \"!\";\n    position: absolute;\n    left: 0;\n    top: 14px;\n    width: 22px;\n    height: 22px;\n    border: 1px solid var(--lp-warn);\n    border-radius: 50%;\n    background: #ffffff;\n    color: var(--lp-warn-text);\n    font-size: var(--lp-fs-xs);\n    font-weight: 700;\n    line-height: 20px;\n    text-align: center;\n  }\n\n  \/* SPECIFICATIONS *\/\n  .lp-specifications {\n    display: grid;\n    grid-auto-flow: column;\n    grid-auto-columns: minmax(0, 1fr);\n    margin-top: 72px;\n    overflow: hidden;\n    background: var(--lp-green-soft);\n    border: 1px solid var(--lp-green-line);\n    border-radius: var(--lp-radius);\n  }\n\n  .lp-spec {\n    padding: 28px 32px;\n    border-right: 1px solid var(--lp-green-line);\n  }\n\n  .lp-spec:last-child {\n    border-right: 0;\n  }\n\n  .lp-spec-label {\n    display: block;\n    margin-bottom: 6px;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-xs);\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    line-height: 1.4;\n    text-transform: uppercase;\n  }\n\n  .lp-spec-value {\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-md);\n    font-weight: 600;\n    line-height: 1.4;\n  }\n\n  \/* CTA *\/\n  .lp-cta-wrap {\n    position: relative;\n    overflow: hidden;\n    margin-top: 72px;\n    padding: 64px 48px 52px;\n    background: var(--lp-cream);\n    border: 1px solid var(--lp-border);\n    border-radius: var(--lp-radius);\n    text-align: center;\n  }\n\n  .lp-cta-wrap:not(:has(h2)) {\n    padding: 44px 48px 36px;\n  }\n\n  .lp-cta-wrap:before {\n    content: \"\";\n    position: absolute;\n    top: 0;\n    right: 0;\n    bottom: 0;\n    left: 0;\n    background-image: url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' width='52' height='90' viewBox='0 0 52 90'%3E%3Cpath d='M26 0L52 15V45L26 60L0 45V15Z M26 60V90' fill='none' stroke='%23aa8b55' stroke-opacity='0.22' stroke-width='1'\/%3E%3C\/svg%3E\");\n    background-size: 52px 90px;\n    -webkit-mask-image: linear-gradient(90deg, #000000 0%, transparent 26%, transparent 74%, #000000 100%);\n    mask-image: linear-gradient(90deg, #000000 0%, transparent 26%, transparent 74%, #000000 100%);\n    pointer-events: none;\n  }\n\n  .lp-cta-wrap \u003e * {\n    position: relative;\n    z-index: 1;\n  }\n\n  .lp-cta-wrap h2 {\n    max-width: 820px;\n    margin: 0 auto 14px;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-h2);\n    font-weight: 500;\n    line-height: 1.2;\n    letter-spacing: -0.015em;\n  }\n\n  .lp-cta-copy {\n    max-width: 680px;\n    margin: 0 auto 30px;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-md);\n    line-height: 1.75;\n  }\n\n  .lp-cta-button {\n    display: inline-flex;\n    align-items: center;\n    justify-content: center;\n    width: 100%;\n    max-width: 380px;\n    min-height: 56px;\n    padding: 15px 30px;\n    background: var(--lp-red);\n    border: 1px solid var(--lp-red);\n    border-radius: 4px;\n    box-shadow: 0 8px 20px rgba(179, 39, 39, 0.18);\n    color: #ffffff !important;\n    --lp-fs: var(--lp-fs-sm);\n    font-weight: 700;\n    line-height: 1.3;\n    letter-spacing: 0.06em;\n    text-align: center;\n    text-decoration: none !important;\n    text-transform: uppercase;\n    cursor: pointer;\n    transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;\n  }\n\n  .lp-cta-button:hover {\n    background: var(--lp-red-dark);\n    border-color: var(--lp-red-dark);\n    box-shadow: 0 10px 24px rgba(146, 32, 32, 0.24);\n    color: #ffffff !important;\n    transform: translateY(-1px);\n  }\n\n  .lp-cta-button:focus-visible {\n    outline: 2px solid var(--lp-green);\n    outline-offset: 3px;\n  }\n\n  .lp-cta-wrap .lp-bulk-notice {\n    max-width: 720px;\n    margin: 32px auto 0;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-xs);\n    line-height: 1.65;\n  }\n\n  .lp-bulk-notice strong {\n    color: var(--lp-text);\n  }\n\n  \/* DISCLAIMER *\/\n  .lp-product-story \u003e .lp-disclaimer {\n    margin: 32px 0 0;\n    padding: 20px 24px;\n    background: #f6f6f3;\n    border: 1px solid #e6e5df;\n    border-radius: var(--lp-radius);\n    color: var(--lp-muted);\n    font-size: var(--lp-fs-xs);\n    --lp-fs: var(--lp-fs-xs);\n    line-height: 1.65;\n  }\n\n  .lp-disclaimer strong {\n    color: var(--lp-text);\n  }\n\n  @media (prefers-reduced-motion: reduce) {\n    .lp-cta-button,\n    .lp-cta-button:hover {\n      transition: none;\n      transform: none;\n    }\n  }\n\n  \/* NEW 2026-10: at-a-glance strip placed right after the intro *\/\n  .lp-specifications.lp-glance {\n    margin-top: 0;\n    margin-bottom: 72px;\n  }\n\n  \/* NEW 2026-10: specification table *\/\n  .lp-spec-wrap \u003e .lp-spec-table-wrap {\n    margin-top: 36px;\n    overflow-x: auto;\n    border: 1px solid var(--lp-border);\n    border-radius: var(--lp-radius);\n  }\n\n  .lp-spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: var(--lp-fs-sm);\n    line-height: 1.5;\n  }\n\n  .lp-spec-table :is(th, td) {\n    padding: 14px 18px;\n    text-align: left;\n    vertical-align: top;\n    border-bottom: 1px solid var(--lp-border);\n  }\n\n  .lp-spec-table thead th {\n    background: var(--lp-green-soft);\n    color: var(--lp-green);\n    font-size: var(--lp-fs-xs);\n    font-weight: 700;\n    letter-spacing: 0.12em;\n    text-transform: uppercase;\n  }\n\n  .lp-spec-table tbody th {\n    color: var(--lp-green);\n    font-weight: 600;\n    width: 30%;\n  }\n\n  .lp-spec-table tbody td {\n    color: var(--lp-text);\n  }\n\n  .lp-spec-table tbody td:last-child {\n    color: var(--lp-muted);\n    width: 26%;\n  }\n\n  .lp-spec-table tbody tr:last-child :is(th, td) {\n    border-bottom: 0;\n  }\n\n  \/* NEW 2026-10: buyer FAQ accordion *\/\n  .lp-faq-list {\n    border-top: 1px solid var(--lp-border);\n  }\n\n  .lp-faq-item {\n    border-bottom: 1px solid var(--lp-border);\n  }\n\n  .lp-faq-item summary {\n    position: relative;\n    padding: 22px 48px 22px 0;\n    cursor: pointer;\n    list-style: none;\n  }\n\n  .lp-faq-item summary::-webkit-details-marker {\n    display: none;\n  }\n\n  .lp-faq-item summary:after {\n    content: \"+\";\n    position: absolute;\n    top: 50%;\n    right: 8px;\n    transform: translateY(-50%);\n    color: var(--lp-gold-text);\n    font-size: 24px;\n    font-weight: 400;\n  }\n\n  .lp-faq-item[open] summary:after {\n    content: \"\\2212\";\n  }\n\n  .lp-faq-item summary h3 {\n    display: inline;\n    margin: 0;\n    color: var(--lp-green);\n    --lp-fs: var(--lp-fs-md);\n    font-weight: 700;\n    line-height: 1.4;\n  }\n\n  .lp-faq-item p {\n    margin: 0 0 24px;\n    max-width: 820px;\n    color: var(--lp-muted);\n    --lp-fs: var(--lp-fs-sm);\n    line-height: 1.7;\n  }\n\n  \/* TABLET *\/\n  @media (max-width: 1023px) {\n    .lp-product-story {\n      --lp-pad: 40px;\n    }\n\n    .lp-intro {\n      padding: 52px 44px 48px;\n      margin-bottom: 60px;\n    }\n\n    .lp-section {\n      margin: 60px 0;\n    }\n\n    .lp-section-header,\n    .lp-formulation-wrap,\n    .lp-quality-wrap,\n    .lp-storage-wrap,\n    .lp-compare-wrap,\n    .lp-safety-wrap {\n      display: block;\n    }\n\n    .lp-section-header h2,\n    :is(.lp-quality-wrap, .lp-storage-wrap, .lp-compare-wrap) h2 {\n      margin-bottom: 12px;\n    }\n\n    .lp-benefits,\n    .lp-quality-grid,\n    .lp-storage-grid,\n    .lp-compare-grid {\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n    }\n\n    .lp-safety-list {\n      margin-top: 20px;\n    }\n\n    .lp-formulations {\n      margin: 24px 0 0;\n    }\n\n    .lp-formulation-wrap \u003e .lp-highlight {\n      margin-top: 28px;\n    }\n\n    .lp-quality-grid,\n    .lp-storage-grid,\n    .lp-compare-grid {\n      margin-top: 28px;\n    }\n\n    .lp-specifications,\n    .lp-cta-wrap {\n      margin-top: 60px;\n    }\n\n    .lp-specifications.lp-glance {\n      margin-top: 0;\n      margin-bottom: 60px;\n    }\n  }\n\n  \/* MOBILE *\/\n  @media (max-width: 749px) {\n    .lp-product-story {\n      --lp-pad: 22px;\n      --lp-gap: 14px;\n      --lp-fs-md: 16px;\n      margin-top: 28px;\n    }\n\n    .lp-intro {\n      padding: 34px 24px 32px;\n      margin-bottom: 44px;\n    }\n\n    .lp-intro:after {\n      width: 100%;\n      -webkit-mask-image: linear-gradient(200deg, #000000 0%, transparent 55%);\n      mask-image: linear-gradient(200deg, #000000 0%, transparent 55%);\n    }\n\n    .lp-section {\n      margin: 44px 0;\n    }\n\n    .lp-section-header {\n      margin-bottom: 22px;\n      padding-bottom: 20px;\n    }\n\n    .lp-benefits,\n    .lp-formulations,\n    .lp-quality-grid,\n    .lp-storage-grid,\n    .lp-compare-grid {\n      grid-template-columns: 1fr;\n    }\n\n    .lp-benefit {\n      padding: 24px 20px 22px 24px;\n    }\n\n    .lp-benefit:before {\n      top: 25px;\n    }\n\n    .lp-formulation-wrap,\n    .lp-quality-wrap,\n    .lp-storage-wrap,\n    .lp-compare-wrap,\n    .lp-safety-wrap {\n      padding: 32px var(--lp-pad);\n    }\n\n    .lp-formulation-wrap \u003e .lp-highlight,\n    .lp-quality-wrap \u003e :is(.lp-buyer-note, .lp-positioning-note, .lp-economics-note, .lp-transparency-note, .lp-research-note),\n    .lp-compare-wrap \u003e .lp-compare-note {\n      padding: 18px 20px;\n    }\n\n    .lp-compare-wrap \u003e .lp-caution {\n      padding: 18px 20px 18px 54px;\n    }\n\n    .lp-compare-wrap \u003e .lp-caution:before {\n      top: 20px;\n      left: 18px;\n    }\n\n    .lp-quality-item,\n    .lp-storage-item,\n    .lp-compare-item {\n      padding: 22px 20px;\n    }\n\n    .lp-product-story \u003e .lp-disclaimer {\n      margin-top: 24px;\n      padding: 18px 20px;\n    }\n\n    .lp-specifications {\n      grid-auto-flow: row;\n      grid-auto-columns: auto;\n      grid-template-columns: 1fr;\n      margin-top: 44px;\n    }\n\n    .lp-specifications.lp-glance {\n      margin-top: 0;\n      margin-bottom: 44px;\n    }\n\n    .lp-spec {\n      padding: 18px 22px;\n      border-right: 0;\n      border-bottom: 1px solid var(--lp-green-line);\n    }\n\n    .lp-spec:last-child {\n      border-bottom: 0;\n    }\n\n    .lp-spec-table :is(th, td) {\n      padding: 12px 14px;\n    }\n\n    .lp-cta-wrap {\n      margin-top: 44px;\n      padding: 40px 20px 28px;\n    }\n\n    .lp-cta-wrap:not(:has(h2)) {\n      padding: 32px 20px 24px;\n    }\n\n    .lp-cta-wrap:before {\n      -webkit-mask-image: linear-gradient(180deg, #000000 0%, transparent 40%);\n      mask-image: linear-gradient(180deg, #000000 0%, transparent 40%);\n    }\n\n    .lp-cta-button {\n      max-width: 100%;\n      min-height: 54px;\n      padding: 14px 20px;\n    }\n\n    .lp-cta-wrap .lp-bulk-notice {\n      margin-top: 24px;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"lp-product-story\"\u003e\n\n  \u003c!-- INTRODUCTION --\u003e\n  \u003csection class=\"lp-intro\"\u003e\n    \u003cspan class=\"lp-eyebrow\"\u003eWholesome in bulk™ Premium Ingredients\u003c\/span\u003e\n    \u003ch2\u003eBulk L-Tryptophan Powder for Supplement Manufacturing\u003c\/h2\u003e\n    \u003cp\u003eL-tryptophan is a free form amino acid powder made by microbial fermentation and purified to white crystals (CAS 73-22-3). Its specifications include HPLC limits for named trace byproducts as well as an assay. We supply it in bulk to supplement brands, contract manufacturers, and formulators. You can request testing documents and samples on the quote form.\u003c\/p\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- AT A GLANCE --\u003e\n  \u003cdiv class=\"lp-specifications lp-glance\"\u003e\n    \u003cdiv class=\"lp-spec\"\u003e\n      \u003cspan class=\"lp-spec-label\"\u003eChemical name\u003c\/span\u003e\n      \u003cspan class=\"lp-spec-value\"\u003eL-tryptophan (CAS 73-22-3)\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"lp-spec\"\u003e\n      \u003cspan class=\"lp-spec-label\"\u003eSource\u003c\/span\u003e\n      \u003cspan class=\"lp-spec-value\"\u003eMicrobial fermentation; strain named on the COA\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"lp-spec\"\u003e\n      \u003cspan class=\"lp-spec-label\"\u003eTypical assay\u003c\/span\u003e\n      \u003cspan class=\"lp-spec-value\"\u003e98.5 to 101.5% (dried basis)\u003c\/span\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"lp-spec\"\u003e\n      \u003cspan class=\"lp-spec-label\"\u003ePack sizes\u003c\/span\u003e\n      \u003cspan class=\"lp-spec-value\"\u003e5 lb, 11 lb, 25 lb, and 55 lb\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- KEY CHARACTERISTICS --\u003e\n  \u003csection class=\"lp-section\"\u003e\n    \u003cdiv class=\"lp-section-header\"\u003e\n      \u003cspan class=\"lp-eyebrow\"\u003eWhy Free Form L-Tryptophan\u003c\/span\u003e\n      \u003ch2\u003eA single amino acid with a detailed impurity specification\u003c\/h2\u003e\n      \u003cp\u003eL-tryptophan has one of the most detailed specifications of any amino acid. Beyond assay and rotation, good specs name trace byproducts and set HPLC limits for them. That gives quality teams more to check, and more to compare between lots.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"lp-benefits\"\u003e\n      \u003cdiv class=\"lp-benefit\"\u003e\n        \u003ch3\u003eOne named compound\u003c\/h3\u003e\n        \u003cp\u003eL-tryptophan has the formula C11H12N2O2 and a molecular weight of 204.23. It is sold without a salt partner, so a 99% assay means about 99% of the powder is tryptophan.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"lp-benefit\"\u003e\n        \u003ch3\u003eOptical identity you can check\u003c\/h3\u003e\n        \u003cp\u003eSpecific rotation confirms the L-form. Published specifications call for about −29.4° to −32.8°, and a racemic DL material would read near zero.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"lp-benefit\"\u003e\n        \u003ch3\u003eNamed byproducts with limits\u003c\/h3\u003e\n        \u003cp\u003ePharmacopeia specs set HPLC limits for named trace byproducts. One widely cited example is EBT, 1,1'-ethylidenebis(L-tryptophan), which the European Pharmacopoeia limits to NMT 10 ppm.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"lp-benefit\"\u003e\n        \u003ch3\u003eFermentation source\u003c\/h3\u003e\n        \u003cp\u003eCommercial L-tryptophan is made by microbial fermentation, then purified with steps such as activated carbon and crystallization. Each step belongs in the supplier's process record.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"lp-benefit\"\u003e\n        \u003ch3\u003eWhite crystals that need shade\u003c\/h3\u003e\n        \u003cp\u003eGood lots are white crystals or crystalline powder. Published storage notes call for protection from heat, light, and oxygen, so keep it in opaque packaging.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"lp-benefit\"\u003e\n        \u003ch3\u003eTrade rules to check\u003c\/h3\u003e\n        \u003cp\u003e21 CFR 172.320 lists L-tryptophan for US conventional foods at up to 1.6% of total protein. Rules in other countries differ, and several restrict its sale.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- FORMULATION APPLICATIONS --\u003e\n  \u003csection class=\"lp-section\"\u003e\n    \u003cdiv class=\"lp-formulation-wrap\"\u003e\n      \u003cspan class=\"lp-eyebrow\"\u003eFormulation Uses\u003c\/span\u003e\n      \u003ch2\u003eWhere formulators use L-tryptophan powder\u003c\/h2\u003e\n      \u003cp\u003eL-tryptophan fits measured formats where fill weight and serving size are controlled, including:\u003c\/p\u003e\n      \u003cul class=\"lp-formulations\"\u003e\n        \u003cli\u003eCapsules\u003c\/li\u003e\n        \u003cli\u003eCompressed tablets\u003c\/li\u003e\n        \u003cli\u003eSingle ingredient powders\u003c\/li\u003e\n        \u003cli\u003eMultiple ingredient amino acid blends\u003c\/li\u003e\n        \u003cli\u003eStick packs and sachets\u003c\/li\u003e\n        \u003cli\u003ePowdered drink mixes, after taste trials\u003c\/li\u003e\n        \u003cli\u003ePrivate label programs\u003c\/li\u003e\n      \u003c\/ul\u003e\n      \u003cp class=\"lp-highlight\"\u003ePlan fill weights from the confirmed assay on each COA. Check the rules in every market where the finished product will be sold before you lock a formula, because tryptophan rules differ by country.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- COMMERCIAL BUYER REVIEW --\u003e\n  \u003csection class=\"lp-section\"\u003e\n    \u003cdiv class=\"lp-quality-wrap\"\u003e\n      \u003cspan class=\"lp-eyebrow\"\u003eWhat Commercial Buyers Should Review\u003c\/span\u003e\n      \u003ch2\u003eWhat to check before you buy L-tryptophan\u003c\/h2\u003e\n      \u003cp class=\"lp-quality-intro\"\u003ePowders sold as tryptophan can differ in impurity profile, process controls, and the markets they can legally enter. Review these points together, and ask for lot documents before you approve a supplier.\u003c\/p\u003e\n      \u003cdiv class=\"lp-quality-grid\"\u003e\n        \u003cdiv class=\"lp-quality-item\"\u003e\n          \u003ch3\u003eName and CAS\u003c\/h3\u003e\n          \u003cp\u003eConfirm that the specification and certificate of analysis (COA) both name L-tryptophan, CAS 73-22-3. 5-HTP is a different compound, usually made from \u003cem\u003eGriffonia simplicifolia\u003c\/em\u003e seed.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-quality-item\"\u003e\n          \u003ch3\u003eHPLC related compounds\u003c\/h3\u003e\n          \u003cp\u003eAsk for related compounds by HPLC, with EBT reported by name. A Ph. Eur. grade lot should show EBT at NMT 10 ppm.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-quality-item\"\u003e\n          \u003ch3\u003eProcess change control\u003c\/h3\u003e\n          \u003cp\u003eAsk the maker to name its production strain and purification steps. Then ask for written notice before any change to either.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-quality-item\"\u003e\n          \u003ch3\u003eAssay and rotation\u003c\/h3\u003e\n          \u003cp\u003eA typical assay limit is 98.5 to 101.5% on a dried basis, with rotation near −29.4° to −32.8°. Check both on every COA.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-quality-item\"\u003e\n          \u003ch3\u003eContaminant limits\u003c\/h3\u003e\n          \u003cp\u003eCheck lead, arsenic, cadmium, and mercury by ICP-MS, plus microbial limits by USP methods. Compare each limit with your own finished product specification.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-quality-item\"\u003e\n          \u003ch3\u003eDestination market rules\u003c\/h3\u003e\n          \u003cp\u003eTell us where the finished product will be sold. Some countries restrict tryptophan, so export plans should be checked before you order.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cp class=\"lp-buyer-note\"\u003e\u003cstrong\u003eLabel math:\u003c\/strong\u003e A 500 mg serving at a 99.0% assay holds about 495 mg of L-tryptophan. Base label figures on each lot's measured assay and your own finished product testing, since the stated grade is only a minimum.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- SPECIFICATION --\u003e\n  \u003csection class=\"lp-section\"\u003e\n    \u003cdiv class=\"lp-quality-wrap lp-spec-wrap\"\u003e\n      \u003cspan class=\"lp-eyebrow\"\u003eSpecification\u003c\/span\u003e\n      \u003ch2\u003eTypical specification for L-tryptophan\u003c\/h2\u003e\n      \u003cp class=\"lp-quality-intro\"\u003eThese values reflect published USP and Ph. Eur. grade specifications. Final figures come from the specification sheet and COA for your lot. NLT means not less than, and NMT means not more than.\u003c\/p\u003e\n      \u003cdiv class=\"lp-spec-table-wrap\"\u003e\n        \u003ctable class=\"lp-spec-table\"\u003e\n          \u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eParameter\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMethod\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n          \u003ctbody\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eIdentity\u003c\/th\u003e\n\u003ctd\u003eL-tryptophan, C11H12N2O2, CAS 73-22-3\u003c\/td\u003e\n\u003ctd\u003eIR spectrum against a reference standard\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduction\u003c\/th\u003e\n\u003ctd\u003eMicrobial fermentation; strain and feedstock named on the COA\u003c\/td\u003e\n\u003ctd\u003eSupplier declaration\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eAppearance\u003c\/th\u003e\n\u003ctd\u003eWhite crystals or crystalline powder\u003c\/td\u003e\n\u003ctd\u003eVisual\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eAssay (dried basis)\u003c\/th\u003e\n\u003ctd\u003e98.5 to 101.5%\u003c\/td\u003e\n\u003ctd\u003eUSP or Ph. Eur. monograph method\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eSpecific rotation\u003c\/th\u003e\n\u003ctd\u003e−29.4° to −32.8°\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;781S\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eEBT, 1,1'-ethylidenebis(L-tryptophan)\u003c\/th\u003e\n\u003ctd\u003eNMT 10 ppm\u003c\/td\u003e\n\u003ctd\u003eHPLC (Ph. Eur.)\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eOther related compounds\u003c\/th\u003e\n\u003ctd\u003eLimits on the specification sheet; lot results on the COA\u003c\/td\u003e\n\u003ctd\u003eHPLC\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003epH (solution)\u003c\/th\u003e\n\u003ctd\u003e5.5 to 7.0\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;791\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eLoss on drying\u003c\/th\u003e\n\u003ctd\u003eNMT 0.3%\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;731\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eResidue on ignition\u003c\/th\u003e\n\u003ctd\u003eNMT 0.1%\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;281\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eChloride and sulfate\u003c\/th\u003e\n\u003ctd\u003eNMT 0.05% and NMT 0.03%\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;221\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eIron\u003c\/th\u003e\n\u003ctd\u003eNMT 30 ppm\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;241\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eLead\u003c\/th\u003e\n\u003ctd\u003eNMT 3 ppm, with lot result\u003c\/td\u003e\n\u003ctd\u003eICP-MS\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eArsenic, cadmium, mercury\u003c\/th\u003e\n\u003ctd\u003eNMT 1 ppm, 1 ppm, and 0.1 ppm\u003c\/td\u003e\n\u003ctd\u003eICP-MS\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eParticle size\u003c\/th\u003e\n\u003ctd\u003eNLT 95% through 80 mesh\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;786\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eTotal aerobic count\u003c\/th\u003e\n\u003ctd\u003eNMT 2,000 cfu\/g\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;2021\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eYeast and mold\u003c\/th\u003e\n\u003ctd\u003eNMT 100 cfu\/g\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;2021\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eE. coli and Salmonella\u003c\/th\u003e\n\u003ctd\u003eNegative in 10 g\u003c\/td\u003e\n\u003ctd\u003eUSP \u0026lt;2022\u0026gt;\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003cth scope=\"row\"\u003eShelf life\u003c\/th\u003e\n\u003ctd\u003e24 months, unopened, protected from light\u003c\/td\u003e\n\u003ctd\u003eStability data\u003c\/td\u003e\n\u003c\/tr\u003e\n          \u003c\/tbody\u003e\n        \u003c\/table\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- STORAGE AND HANDLING --\u003e\n  \u003csection class=\"lp-section\"\u003e\n    \u003cdiv class=\"lp-storage-wrap\"\u003e\n      \u003cspan class=\"lp-eyebrow\"\u003eStorage \u0026amp; Handling\u003c\/span\u003e\n      \u003ch2\u003eStorage and handling for bulk L-tryptophan\u003c\/h2\u003e\n      \u003cp class=\"lp-storage-intro\"\u003eL-tryptophan keeps best when it stays sealed, dry, and out of light. These steps keep the powder in good condition between production runs.\u003c\/p\u003e\n      \u003cdiv class=\"lp-storage-grid\"\u003e\n        \u003cdiv class=\"lp-storage-item\"\u003e\n          \u003ch3\u003eKeep it sealed\u003c\/h3\u003e\n          \u003cp\u003eClose the inner liner after each use and press out the air. Less air in the bag means less contact with oxygen and moisture.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-storage-item\"\u003e\n          \u003ch3\u003eKeep away from light\u003c\/h3\u003e\n          \u003cp\u003eLeave the powder in its original opaque packaging. Published storage notes call for protection from light, and color can shift with long exposure.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-storage-item\"\u003e\n          \u003ch3\u003eStore cool and dry\u003c\/h3\u003e\n          \u003cp\u003eKeep bags off the floor in a dry room, away from heat sources. Follow the temperature range on the spec sheet.\u003c\/p\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"lp-storage-item\"\u003e\n          \u003ch3\u003eRotate stock\u003c\/h3\u003e\n          \u003cp\u003eRecord the lot number and retest date for each bag. Send older lots to production first.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- BUYER FAQ --\u003e\n  \u003csection class=\"lp-section lp-faq\"\u003e\n    \u003cdiv class=\"lp-section-header\"\u003e\n      \u003cspan class=\"lp-eyebrow\"\u003eBuyer FAQ\u003c\/span\u003e\n      \u003ch2\u003eL-tryptophan buyer FAQ\u003c\/h2\u003e\n      \u003cp\u003eQuick answers to the questions procurement and quality teams ask most.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"lp-faq-list\"\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eWhy do L-tryptophan specifications list named impurities?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003eTrace fermentation byproducts are a known concern for this amino acid. After a 1989 contamination case was traced to one producer's process changes, pharmacopeia specs added HPLC limits for named byproducts. Good lots report them by name on the COA.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eWhat is EBT in L-tryptophan?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003eEBT is 1,1'-ethylidenebis(L-tryptophan), a trace byproduct measured by HPLC. The European Pharmacopoeia limits it to NMT 10 ppm.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eIs L-tryptophan the same as 5-HTP?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003eNo. 5-HTP (5-hydroxytryptophan) is a different compound, usually made from \u003cem\u003eGriffonia simplicifolia\u003c\/em\u003e seed. It has its own specification and its own product page.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eWhat specific rotation should L-tryptophan have?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003ePublished specifications call for about −29.4° to −32.8°. A result inside that range confirms the L-form, while a racemic DL material would read near zero.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eCan L-tryptophan be sold in every country?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003eNo. In the US it is sold as a dietary ingredient and is listed for conventional foods under 21 CFR 172.320. Several other countries restrict it, so check each export market before you quote.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eHow is L-tryptophan made?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003eL-tryptophan is made by microbial fermentation, then purified and crystallized. Ask your supplier to name the strain and purification steps, and to notify you of any change.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eWhat documents can I get with an order?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003eA certificate of analysis (COA) and a specification sheet ship with every order. An allergen statement and a safety data sheet may also be available, depending on the lot in inventory. Contact us to request them.\u003c\/p\u003e\n      \u003c\/details\u003e\n      \u003cdetails class=\"lp-faq-item\"\u003e\n        \u003csummary\u003e\u003ch3\u003eCan I get a sample before a bulk order?\u003c\/h3\u003e\u003c\/summary\u003e\n        \u003cp\u003eYou can request one by choosing sample options on the quote form. We will confirm availability, size, and timing.\u003c\/p\u003e\n      \u003c\/details\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\n  \u003c!-- CALL TO ACTION --\u003e\n  \u003cdiv class=\"lp-cta-wrap\"\u003e\n    \u003cspan class=\"lp-eyebrow\"\u003eBulk L-Tryptophan Powder\u003c\/span\u003e\n    \u003ch2\u003eRequest a quote for bulk L-tryptophan powder\u003c\/h2\u003e\n    \u003cp class=\"lp-cta-copy\"\u003eTell us your quantity, grade, destination market, and timing. We will reply with current pricing. Select testing documents and sample options on the quote form.\u003c\/p\u003e\n    \u003ca href=\"#\" class=\"lp-cta-button\" aria-label=\"Return to the top of the page to order L-tryptophan\" onclick=\"window.scrollTo({ top: 0, behavior: 'smooth' }); return false;\"\u003eOrder L-Tryptophan Powder\u003c\/a\u003e\n    \u003cp class=\"lp-bulk-notice\"\u003e\u003cstrong\u003eBulk orders:\u003c\/strong\u003e Choose a pack size above, or use the quote form for larger volumes, testing documents, and sample options. We serve supplement brands, contract manufacturers, product developers, and formulators.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cp class=\"lp-disclaimer\"\u003eThis bulk ingredient is sold for further manufacturing and formulation. The information on this page describes the ingredient and how commercial buyers evaluate it. It is not medical advice. Each finished product brand is responsible for its own labeling and product claims.\u003c\/p\u003e\n\n\u003c\/div\u003e\n","brand":"Longevity Premier Nutraceuticals Inc","offers":[{"title":"5 kilograms (11 lbs)","offer_id":46084603052101,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false},{"title":"25 kilograms (55 lbs)","offer_id":46084603084869,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2008\/4147\/files\/WholesomeinBulk_36a67501-96d9-4270-8cb6-b46e8b6373c2.png?v=1787510779","url":"https:\/\/longevitypremier.com\/es\/products\/bulk-l-tryptophan-powder","provider":"Longevity Premier Nutraceuticals Inc","version":"1.0","type":"link"}