Resveratrol supplements are now being suggested by Doctors for incrased energy, better sleep and to help people lose weight. The natural form of trans-resveratrol is now available at 500mg/day which is required to experience the benefits. The trans-resveratrol biotivia transmax is all natural and has no side effects and helps to lower blood sugar, reduce cholesterol and increase endurance and mental alertness and memory. Dr. Oz has reported on his show that he takes 500mg/day .