A new study suggests taking resveratrol (RSV), a natural phenol and popular ingredient in red wine, may negatively affect the benefits derived from high-intensity interval training (HIIT).

Resveratrol is widely known for its good health effects that include reducing blood pressure and minimizing the risk of heart disease. Its popularity led to the development of a supplement sold at health stores.

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A new study published in the journal, Applied Physiology, Nutrition and Metabolism, doubts the positive effects of red wine.

The 16 participants that took part in the study were divided into two groups. Both groups underwent high-intensity interval training and aerobic exercise for four weeks. One group tk resveratrol while the other was given a placebo.

The findings suggest RSV supplementation may possibly decrease the effects of exercise alone while the group taking placebo displayed an increase in some of the benefits of physical activity.

Researcher Brendon Gurd, a professor in the School of Kinesiology and Health Studies at Queens University in Canada, said the study suggests simultaneous exercise training and RSV supplementation may change the body's normal training response induced by low-volume HIIT.

"The data set we recorded during this study clearly demonstrates that RSV supplementation doesn't augment training, but may impair the affect it has on the body," Gurd added.

It puts resveratrol in question as an exercise enhancing supplement. Gurd said further research is needed.

TagsRed wine, Resveratrol, RSV, high-intensity interval training, HIIT, wine