Green tea extract is a popular dietary supplement that is derived from the leaves of the Camellia sinensis plant. It is rich in antioxidants and other compounds believed to provide a wide range of potential health benefits. Some health benefits include:
Antioxidant properties: Green tea extract is rich in antioxidants, which can help to protect cells from damage caused by free radicals. Free radicals are unstable molecules that can cause oxidative stress, which has been linked to a wide range of chronic diseases. One of the key types of antioxidants found in green tea extract is catechins, which are a type of polyphenol. Catechins are particularly effective at scavenging free radicals and reducing oxidative stress. Another type of antioxidant found in green tea extract is epigallocatechin gallate (EGCG), which is a particularly potent antioxidant. Research suggests that EGCG may be even more effective at scavenging free radicals than vitamin C or vitamin E. A study published in the Journal of Agricultural and Food Chemistry found that green tea extract had significantly higher antioxidant activity than vitamin C.
Better brain function: Green tea extract consumption over time improves alertness and cognitive function. It contains an amino acid called L-theanine, which may help to promote relaxation and calmness. A study published in the Journal of Medicinal Food found that green tea extract improved cognitive function and promoted calmness in healthy adults.
Improved cardiovascular health: Green tea extract has been shown to have a number of potential cardiovascular benefits, including cholesterol, blood pressure, and better blood vessel function. A review published in the American Journal of Clinical Nutrition found that green tea consumption was associated with improved heart health.
Weight management: Green tea extract has been shown to increase metabolism and fat burning, making it a popular supplement. A meta-analysis published in the International Journal of Obesity found that green tea extract supplementation was associated with modest weight improvement and better body mass index.