Red Mineral Algae is a mineral supplement derived from red algae harvested off the coasts of Ireland and Iceland. It is a rich vegetarian source of bioavailable calcium and magnesium and contains over 70 other important trace minerals. This multimineral complex supports bone integrity and has been used in clinical studies demonstrating that Aquamin® can help to support joint health and mobility. Not manufactured with gluten, milk, egg, fish, shellfish, tree nut or sesame ingredients.