CALCIUM FROM OSTRYG WITH K2 MK7 AND D3 offers CALCIUM WITH CLEAR OSTRYG with K2 MK7 and D3, 100 Tablets. Innovative and the only combination of natural calcium from oyster shells, natural vitamin K2 and vitamin D3 on the market. ACTION: - it contributes to the proper bone structure - it has a beneficial effect on the absorption of calcium and phosphorus - helps to maintain the proper level of calcium in the blood - contributes to the proper structure of the teeth - supports the proper functioning of the muscles. I invite you. AdamKo Vitality