These tablets are made from the naturally occurring mineral Dolomite, a rich source of magnesium and good source of calcium. CONTAINS NO added sugar, salt, starch, lactose, gluten, live yeasts, synthetic flavours, artificial colours and preservatives or animal derivatives. Registered with the Vegan Society. Please note: Our dolomite is regularly tested for heavy metal contamination, and falls well within the safety levels. Ingredients 500mg Each tablet typically provides %RDA Calcium 110mg 14 Magnesium 66mg 22 Quantity Price: £5.99