Resveratrol is a naturally occurring phytoalexin produced by some higher plants in response to injury or fungal infection. Phytoalexins are chemical substances produced by plants as a defense against infection by pathogenic microorganisms, such as fungi. Alexin is from the Greek, meaning to ward off or to protect. Resveratrol may also have alexin-like activity for humans. 1.Souce a.Plant Extract b.Organic Synthesis 2.FunctionHealth care efficacy Anti-platelet aggregation Prevent cardiovascular Anti-cancer Reduce cholesterol Anti-inflammatory Anti-viral and anti-bacteria Prevent bronchitis Anti-dementia Anti-aging Loss weight If you are interested in our product,please don’t hesitate to contact me. Thanks and best regards!