Specification:
1) Polyphenol: 95%, 90%
2) Proanthocyanidin: 95%
3) Oligomers: 60%-80%
Part of the Plant Used: grape seed
Extract Method: Grain Alcohols
Appearance: yellow-brown powder with mild odor, tastes sweet
Function 
1) Antioxidant
2) Deodorizing
3) Antibacterial
4) Beneficial to intestinal tract
5) Anti-muscular fatigue