ALGALITHE 150µM is obtained from fossilized red macro-algae Lithothamnium calcareum. The microporous structure combined with the slow growth allows the absorption of all nutrients from the sea, especially calcium and magnesium. When it is at the fossilized status, the concentration of these elements is increased. These properties let it be specially indicated for a use in the nutraceutical industry (tablets and capsules, orosoluble…).