Although doctors agree that resveratrol is an effective anti-aging solution, there is some controversy surrounding optimum dosages. Many of the studies done on Rhesus monkeys and lab rats used very high concentrations. Clearly aging researchers were trying to push the benefits to the limits and see just how drastically resveratrol can improve lifespan and help to maintain a youthful appearance. Before we get into specific dosages, let's take a look at different sources of extract and how much resteratrol each contain.

Although red wine is proven to be heart-healthy, the concentration of resveratrol is too low to fight aging effectively. In fact, in an interview with Dr. David Sinclair, reporter Barbara Walters discovered that you would need to drink a thousand bottles a day to "really make a difference." Drinking red wine alone is not the answer. In addition, eating grapes is far less effective than even that. So what can one do to get an effective dose of resveratrol?

Fortunately, a number of resveratrol supplements have been released on the market. Finally it is possible to actively fight against free radicals that cause aging. Products vary in strength, ranging from 50mg per serving on the lowest end of the scale to 500mg.

Lab experiments indicate that anything above 500mg is probably too high for humans and may cause side-effects such as diarrhea and dehydration. Naturopathic practitioners often suggest very low dosages like 20mg to 50mg to people with good health. But many wonder, at such a low concentration, what's the point?

While there are big variations in opinion, the majority of supplements out there provide 150mg-350mg. This range is moderate enough to stay away from side-effects but also powerful enough to get real results with. Until these supplements have been used longer and further studies are done, staying in the middle of the spectrum is the most prudent choice.