hangzhou greensky biological tech.co.,ltd, a leading manufacturer and supplier of herb active ingredients in china, supply high-quality subjected products with very competitive price and good service. now we are supplying: grape seed extract numerous experiments show grape seed extract is a powerful free radical scavenger better than vitamins c, e and beta-carotene. grape seed extract can exert anti-inflammatory, anti-arthritic and anti-allergic activities, prevent skin aging and inhibit uv radiation-induced peroxidation activity. more important, grape seed extract can penetrate the blood-brain barrier to help protection of the brain and nerve tissue from oxidation. appearance:brown black powder。 specification:grape seed extract 20% pp,25% pp,30% pp; grape seed extract 95% opc. functions:（1） scavenges free radical （2）enhances capillary strength and vascular function（3） prevents cardiovascular disease（4）alleviates pms problems, bruising, edema from injury or trauma, varicose veins, leg swelling and retinopathy（5） enhances immune resistance（6） increases peripheral circulation, improving vision（7） reduces adverse allergic and inflammatory responses（8） reduces aging and loss of elasticity in skin.