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In this small study, 11 obese men were randomly assigned to take a dietary supplement of 150 mg per day of 99% pure trans-resveratrol (resVida) or placebo for 30 days. When researchers studied how the men’s bodies responded, they found favorable changes in the health of men who were taking the resveratrol, compared with the placebo group, including:
While the effects were modest, the study authors concluded that resveratrol supplementation, induced “metabolic changes in obese humans, mimicking the effects of calorie restriction.”
Resveratrol works as at the cell level to improve cell function and, ultimately, help bodies work better. An animal study showed that mice fed resveratrol showed improved sugar (glucose) levels and improved endurance and survival.
The researchers suggest that overlooked but important dietary components such as resveratrol can have similar effects as calorie reduction and help obese people stay well, but the scientific evidence is only preliminary. Resveratrol and other nutrients in the diet may be of greatest benefit when combined as part of a healthy, balanced diet and an overall weight reduction plan.
Obese people and those at risk for obesity should work with their doctor or other healthcare professional to create a comprehensive, supervised wellness plan. If you are interested in trying supplements such as resveratrol, talk with a knowledgeable doctor about all your options, and discuss the risks and benefits.
(Cell Metabolism 2011;14:612–22)