An antioxidant source studied for circulation and cellular protection.
Grape Seed Extract is a well-known source of proanthocyanidins, antioxidant compounds researched in relation to circulation and protecting cells against oxidative stress.
It typically functions as a supporting ingredient in performance formulas rather than a primary driver of stamina or energy on its own.
Its role here is best understood as contributing to overall cellular health support rather than an immediate performance effect.