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Only One Type of Resveratrol Is Biologically Active! See Which Resveratrol Supplements Have the Right Stuff. Resveratrol Reviews

If you haven't heard of resveratrol yet, you probably will. A natural component of several plants and most notably in the skin and seeds of grapes, resveratrol is thought to contribute to human health in multiple ways and is quickly gaining public attention. It's important to remember though that almost all resveratrol studies to date have been performed on animals or in-vitro (Test Tube) with human cells. Nevertheless many vendors are claiming extraordinary benefits by taking resveratrol. I recently visited one of the many resveratrol review websites offering a "free trial" and found the following claims at the top of the page.

* Slows down the aging process

* Increases healthy lifespan

* Supports cardiovascular health

* Lose unwanted weight

* Supports strong immune system

To be sure, no in-vivo study on people has confirmed any of these claims. Studies on yeast cells and fruit flies have shown an increase in longevity. A study using rats has shown that resveratrol can prevent accumulation of weight from excessive eating and many other studies have inferred various benefits to cardiovascular health, blood sugar and athletic performance to name a few. Again, only a very few studies have been completed on people. Some are ongoing now.

Nevertheless, many are choosing to supplement with resveratrol. After doing plenty of research on my own, including reading through many study abstracts on pubmed.gov, I believe the benefits outweigh the risks. I've picked up a few tips for selecting supplements which I have found helpful. They are listed below.

- Avoid websites that make outrageous claims like "reverses aging", "cures cancer" or "lose weight fast". While resveratrol holds much promise, these claims are not true. Do your own homework to find out the truth about resveratrol.

- Avoid websites that offer "free trials" of their products without disclosing pricing. After the trial is over, purchasing from these vendors is typically much more than buying resveratrol from a reputable source. I find many of these "free trial" and resveratrorl review sites are making claims like the ones above.

- Avoid brands that don't disclose ingredients. All resveratrol is not created equal. "Trans-resveratrol" is the only biologically active form. Unless the label stipulates the amount of "trans-resveratrol", don't buy it! Many of the sites offering free trials do not disclose the ingredients of their products.

- Avoid mega-doses. The FDA has yet to issue any guidance on resveratrol so we don't know how much is enough. Some studies have shown that as little as 20mg of "trans-resveratrol" may be enough to see benefits. A generally accepted effective dose appears to be in in 200mg range. Over 500mg is generally considered a mega-dose. Side effects of mega-doses include joint pain and nervousness. Overall though, resveratrol appears relatively safe.

- Resveratrol with other compounds may be more effective that resveratrol alone. Wine, which is loaded with an array of beneficial plant chemicals called polyphenols is a good example of how less resveratrol can be very effective. A spectrum of polyphenols and vitamins such as Vitamin D, Vitamin C, Quercitin, IP6, Ferulic Acid can maximize resveratrol's effects. Choose a vendor that offers a spectrum of nutrients in addition to resveratrol

- Talk to your doctor before taking resveratrol. Again, while resveratrol appears safe, there have been reports of side effects.

For more tips, additional detail about resveratrol, a list of reputable resveratrol suppliers, reviews and other herbs with potential longevity benefits, check out Resvrevu - Resveratrol Reviews

About the Author

HF Nanney is a longevity enthusiast and author of Resvrevu - Resveratrol Reviews where readers can find information on resveratrol as well as other compounds with longevity benefits, a listing of reputable resveratrol suppliers and resveratrol reviews.

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