NFH Grape Seed SAP provides grape (Vitis vinifera) seed extract standardized to 95% proanthocyanidins — 500 mg per capsule — a byproduct of winemaking that's become one of the more studied antioxidant botanicals.Why proanthocyanidins specificallyGrape seed proanthocyanidins have shown better free-radical scavenging ability in lab studies than vitamins C, E, or beta-carotene individually, and they're particularly well studied for vascular health. Grape seed extract also helps relieve symptoms of non-complicated venous insufficiency — leg heaviness, swelling, tingling — alongside supporting a healthy inflammatory response more broadly.Often chosen by Anyone managing symptoms of venous insufficiency — heavy or swollen legs People building a general antioxidant support routine Those supporting circulatory and vascular health Format and exclusions60 vegetable capsules per bottle, 1 capsule daily. Non-GMO, and made without gluten, dairy, soy, or artificial additives.Before you startGrape seed extract may have a mild blood-thinning effect; check with a healthcare practitioner if you're on anticoagulant medication or scheduled for surgery. Store in a cool, dry place, and keep out of reach of children.About NFHNutritional Fundamentals for Health is a Canadian practitioner-channel supplement brand, formulated to the specifications healthcare practitioners request rather than to a retail price point.Further reading: Health Canada on vitamins and minerals