They can also inhibit fat absorption in cells, helping reduce blood fat levels ( 8, 9, 10, 11).

The antioxidants in green tea extract can decrease inflammation and help reduce blood pressure. Oxidative stress increases fat buildup in your blood, which promotes inflammation in your arteries and leads to high blood pressure ( 6, 7). Green tea extract is rich in antioxidants called catechins, which have been shown to increase antioxidant capacity and protect against oxidative stress. Because of this, it’s unclear whether green tea extract would have the same effect if taken in smaller, safer doses. It should be noted that the participants in this small study were taking green tea extract in an amount considered to be in the toxic range. Their blood antioxidant capacity increased from 1.2 to 2.5 micromoles per liter (μmol/L), on average ( 4). This, in turn, may prevent associated health concerns ( 3, 4, 5).įor example, in one 2012 study, 35 people with obesity took 870 milligrams (mg) of green tea extract for 8 weeks. Studies have shown that green tea extract increases your body’s antioxidant capacity (the activity of your body’s own antioxidant enzymes) and protects against oxidative stress. Among the catechins in green tea, epigallocatechin gallate (EGCG) is the most researched and thought to provide the most health benefits. Polyphenol antioxidants called catechins make up the majority of green tea extract’s antioxidant content. This cell damage is associated with aging and several diseases ( 2).

The health benefits of green tea extract are mostly due to its high antioxidant content.Īntioxidants can help reduce oxidative stress in your body by protecting against cell damage caused by molecules called free radicals.

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