EarthSweet® Chewables Calcium Magnesium & Vitamin D3 Tablets contain a blend of calcium, magnesium plus natural vitamin D3 (cholecalciferol) to support strong and healthy bones. This bone formula is naturally sweetened with EarthSweet®, an all-natural sweetening mix of juice concentrates (wild blueberry, cranberry, prune, cherry, strawberry, grape, raspberry and bilberry fruits, grape seed and raspberry seed extracts) and cane crystals.