What It Actually Is
Grape Skin Extract is derived from the skins of grapes, rich in polyphenols and antioxidant compounds including resveratrol.
What Research Generally Shows
Grape skin and grape seed extracts have a reasonable research base for antioxidant activity and some cardiovascular research.
The Honest Gap
Research commonly uses doses around 150mg. Since it shares a 570mg blend with five other ingredients, we can't confirm its actual share.
