... Resveratrol Extract Powder98% 1, GMP and NSF-GMP certified 2,Pure natural resveratrol 98% 3,Healthcare ingredient [Product name]Resveratrol[Botanical source] Polygonum cuspidatum ... time]Spring and Autumn.[Active ingredient]Resveratrol 98%[CAS NO.]501-36-0[Specification ... resveratrol and tablet grade resveratrol (3)Chinese GMP, America NSF-GMP, ISO9001 and ISO14001 certified company (4)Pure natural ...