
The source of OPCs, polyphenols studied for vascular tone and antioxidant activity.
Grape Seed (Vitis vinifera) Extract is the source of oligomeric proanthocyanidins (OPCs), polyphenols studied for antioxidant activity and vascular tone.
It rounds out the circulation side of JellyBlue's panel alongside the L-Arginine and Beet Root inputs, each working through a slightly different mechanism.
JellyBlue includes Grape Seed Extract as one of its seven named ingredients, at 50mg per gummy.