With manganese, good for the production of cartilage in the joints. Composition per daily dose (2 level measuring spoons): Quantity Collageenhydrolysaat 13 g. Silica 800 mg. Collagen type II 3 mg. Manganese (as citrate). 1 mg (50% RDA). One scoop of 7 grams of Mariandl Collacept. Contains 45 Kcal.