This Bulk Grape Seed Extract Powder was standardized 95% proanthocyanidins, with assay >95% OPC. There is not any additive or filler inside. There are 1~1.5 years shelf life available.

Grape Seed Extract 95% OPC (Proanthocyanidins) powder may benefit improvement antioxidant protection, cardiovascular system, immune system, skin health, scar, elasticity. Grape seed extract is a natural plant constituent (ployphenols, including flavanols proanthocyanidin, also know as OPC) which strengthens and protects living tissue. It strengthens blood vessels, improves skin, and aids in circulation. Proanthocyanidins have been sold as nutritional supplements in Europe. It is the principal vasoactive polyphenols in red wine which is linked to a reduced risk of coronary heart disease and to lower overall mortality. Its antioxidant capabilities are more powerful than Vitamin C and Vitamin E. Poranthocyanidins antioxidant activity plays a role in the stabilization of collagen and maintenance of elastin, two critical proteins in connective tissue that support organs, joins, blood vessels, and muscle.

Characteristics: Reddish-Brown fine powder, characteristic bitter taste, characteristic odor, slightly soluble in water.

Use suggestions: As a pure ingredient to mix in water, juice, or mix in smoothie, shake, or for formulation, R&D (research and development), comestic formulation, or any other proper purpose. General serving size for consumption for an adult is 1/20 teaspoon powder (about 100mg, it about 95mg potent of polyphenols --proanthocyanidins) once a day. An individual can adjust the serving size for some specific purposes. 

Storage conditions: Store in a closed container in cool and dry place, keeping away from strong light and heat.

Size options: Kinds of packing sizes are available. Please choose above to order.