White's Premium Vitamins and Supplements Calcium & Magnesium Citrates PreviousVitamin D3 Drops / 2000 IU NextBuffered Vitamin C 1000 mg Calcium & Magnesium Citrates Calcium & Magnesium Citrates $24.50 Buffered C Powder supplies 2,350 mg of vitamin C from calcium, magnesium potassium and zinc ascorbates per each heaping teaspoon. Quantity: Add To Cart