Product Ingredients (Per Tablet): Colamerim contains collagen peptides as well as various components that support body absorption and bone structure: Collagen Peptide (Promerim): 360 mg Lithium-Tamniote (Red Seaweed): 312 mg Calcium: 130 mg Acerola Extract (source of Vitamin C): 27.2 mg Zinc: 1.5 mg Vitamin D3: 2.5 mcg