GNC Earth Genius™ Vegetarian Calcium features Aquamin™ derived from sea algae. Sustainably harvested in the pristine, cool waters off the Icelandic coast, Aquamin™ sea algae is a rich source of calcium. It also provides magnesium and 72 trace minerals. Calcium from sea algae plus vegetarian vitamin D-3, essential for building strong, healthy bones. Calcium is [...]