*** www.the-resveratrol-reviews.com Sirtris Pharmaceuticals™ (Grape Seed Resveratrol) The best resveratrol supplements are made from red grape seed and Japanese Knotweed (Polygonum Cuspidatum). Resveratrol is found in many of the foods we eat and naturally created by several plants as a natural defense against predators. Grape seed resveratrol vs Japanese knotweed resveratrol? Red grape seed extract was originally the preferred method of creating Resveratrol Supplements but companies found that Japanese Knotweed (Polygonum Cuspidatum) is a much easier process and contains a purer form of resveratrol. How is Grape Seed Resveratrol made? The resveratrol is extracted from the grape skin using a variety of chemical compounds that help purify the resveratrol. It is then dried and kept in a cool climate to maintain its potency. Natural Resveratrol is vulnerable to light and can lose its potency when exposed to a harsh environment. How is Resveratrol made from Japanese Knotweed (Polygonum Cuspidatum)? Japanese knotweed is a plant similar to bamboo with a hollow stem and contains resveratrol in its roots. The roots are sliced and again a chemical compound is used to extract the resveratrol. It then gets dried to formulate the resveratrol capsules. Japanese knotweed is a better source of natural resveratrol than grape seed resveratrol. Japanese knotweed can grow in almost any climate and is much cheaper to grow than red grapes. This plant has been used for many years by Asian …
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