Antioxidants in Diet Can Improve Insulin Resistance

A diet rich in natural antioxidants improves insulin sensitivity in insulin-resistant obese adults. Although the beneficial effects of antioxidants are well known, a recent study has shown that they can improve hormonal action in obese subjects with metabolic syndrome.

Some evidence exists that oxidative stress may play a role in the metabolic syndrome, according to the authors of the research. Oxidative stress, a biochemical mechanism which can lead to damage to blood particles and to cells, results from an imbalance between an excessive amount of oxidants and decreased antioxidant defenses. Oxidative stress also plays a part in aging.

Antioxidants, which are found naturally in fruits, vegetables, legumes and nuts, include vitamins E and C, selenium and carotenoids, such as beta-carotene. Past research shows that antioxidants can prevent oxidative damage to cells and in some cases also help repair damage.

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http://www.sciencedaily.com/releases/2010/06/100621091205.htm