Pine Bark Extract Details Product Name: Pine Bark Extract Herb Source: Pinus massoniana Lamb Part Used: Bark Active Ingredients: Proanthocyanidin Appearance: Red-brown powder Specifications: 95%, 80% Test Method: UV CAS#: 133248-87-0 Pharmacology: Antioxidants play a key role of repairing and protecting cells in the body. They help protect against free radicals, which are damaging byproducts of metabolism and exposure to …