Resveratrol, extracted from the herb Polygonum cuspldatum, which is a perennial species with spreading rhizomes and numerous reddish- brown, freely branched stems. Resveratrol is one kind of antioxidant polyphenols and research has shown that Trans-resveratrol has several physiological activities.

Huisong's Premium Quality Resveratrol is produced in our GMP certified facilities from herb Polygonum Cuspldatum. And, to insure that you get the phytonutrients most responsible for Resveratrol's biological effects, the extract is standardized as Resveratrol 20%~98% HPLC.