Limescale is a hard chalky substance that's mainly made up of calcium carbonate, which is commonly found in rocks ... and it usually comes in a pack of at least two single-use sachets. It's often ...
Foods high in calcium include almonds, spinach, tofu, milk, certain beans, and salmon. This article covers non-dairy and vegetarian options too.
Mikayla Spangler, Pharm.D., BCPS; Beth Bryles Phillips, Pharm.D., FCCP, BCPS; Mary B. Ross, M.B.A.; Kevin G. Moores, Pharm.D.