Source Naturals Calcium Ascorbate Vitamin C Crystals, Supports Immune System, 4 Ounces Size:4 Ounce Non-acidic which makes it gentle on the digestive system;Key factor in the body's immune system;Contains 3, 667% of your daily value of vitamin C Features: Non-acidic which makes it gentle on the digestive system Key factor in the body's immune system Contains 3, 667% of your daily value of vitamin C Supports Immune System Dissolves instantly Needed to maintain the health of skin, cartilage, teeth, bone, and blood vessels Known as an antioxidant Protects your body's cells from damage Product Details: Product Dimensions: 2 x 2 x 3.8 inches ; 0.32 ounces Shipping Weight: 4.8 ounces Domestic Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues. International Shipping: This item is not eligible for international shipping. Learn More UPC: 021078004479 Item model number: SN0447