Source Naturals Vitamin C Ascorbic Acid Crystals, Dissolves Instantly, 16 Ounces Dietary supplement. Ascorbic acid crystals dissolves instantly. Vitamin C plays a vital role in the formation of collagen (a structural protein in connective tissue), amino acid metabolism and hormone synthesis, and the utilization of many nutrients, such as folic acid and iron. It is also a key factor in the body's immune system. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.) Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no sugar, starch, salt, preservatives or artificial color, flavor or fragrance. Features: Dissolves Instantly The single most commonly used vitamin supplement Plays a major role in the formation of collagen (a structural protein in connective tissue) Also plays a major role in amino acid metabolism and hormone synthesis, and the utilization of many nutrients, such as folic acid and iron A key factor in the body's immune system Product Details: Product Dimensions: 1.3 x 1.3 x 1.6 inches ; 1.6 ounces Shipping Weight: 1.1 pounds 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: 021078004332 Item model number: SN0433