Boncare-M is a medicine made by combining mecobalamin, folic acid, calcium carbonate and calcitriol. This nutritional supplement can be recommended to people whose bones are weak or just to strengthen the bones. Calcium carbonate and calcitriol increase bone density, regulate calcium absorption in the body and strengthen the bones. Mecobalamin works is helpful in the production of red and white blood cells, their growth and development. Folic acid promotes the production of blood in the body. There are some side effects of this medicine, such as itching and increased calcium in urine.