Ingredient Evidence

Zinc is an essential mineral your body needs for immune function, wound healing, growth, DNA and protein production, and your sense of taste and smell. Human studies support it most clearly where …

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Grape seed extract is a supplement made from the seeds of wine grapes. Human studies are strongest for blood pressure and cholesterol, but the effects are small, results are mixed, and the studies are …

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Green tea extract is a concentrated preparation made from the leaves of Camellia sinensis, sold mostly as capsules or tablets. Human studies point to small effects on cholesterol, body weight and …

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Chromium is a trace mineral found in many foods and sold as a supplement, most often as chromium picolinate. Human trials have found small changes in blood sugar, body weight and some lab markers, but …

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