50mg per serving
An antioxidant source studied for circulation and cellular protection.
Grape Seed (Vitis vinifera) Extract is a well-studied source of proanthocyanidins, antioxidant compounds researched for their role in circulation and protecting cells from oxidative stress.
At 50mg, it functions as a supporting antioxidant ingredient in this formula rather than a primary driver of the product's core positioning.
It's a common, generally well-tolerated addition to performance and circulation-focused supplement formulas.