Lanum tablet contain Calcium Acetate which is used as bone joint supplement. Calcium Acetate is a calcium salt of acetic acid.Calcium is a mineral that is required for the formation of bones and maintaining them. Calcium is required to prevent breakage of bones. Calcium is used to prevent or treat low blood calcium levels in people who do not get enough calcium from their diets. Lanum is a nutritional supplement which can be taken by people who have low levels of calcium in their blood.