colladeen® provides an impressive dose of pure natural plant compounds called anthocyanidins which are the blue & red pigments found in fruit seeds & berries. researchers have identified that these compounds are very active within the body where they act as potent antioxidants. in addition research indicates that they have a role in the repair & renewal of collagen the structural protein that gives our skin it’s elasticity blood vessels their strength & is a major component of cartilage we use grape seed & bilberry as our source of anthocyanidins & we know of no other company in the uk that sells the same quality or potency of these fascinating compounds. high strength anthocyanidins help protect & repair the body’s natural collagen one of our most popular products increasingly being recommended to sportspeople money back guarantee notice the difference or your money back