Perhaps the best way of judging the utility of any of the health related products is going through the clinical study report relating to such products. Such clinical reports on resveratrol side effects are available in plenty on the web. Prepared mostly by experts on health affairs such reports will give you ample idea about the proper use of resveratrol supplements and what effects it could have on your health and well being. In fact going through resveratrol reviews provided in the qualitative sites will be very helpful in this regard since they will provide huge amount of feedbacks and testimonials for you to judge the utility of the product.