NOW Supplements, Vitamin C-500 Calcium Ascorbate, Antioxidant Protection*, 250 CANTIOXIDANT PROTECTION*: NOW C-500 Calcium capsules provide a daily dose of vitamin C, which is necessary for the production of collagen and is tfore also important for skin, bone, and joint health.* CALCIUM ASCORBATE-C WITH BIOFLAVONOIDS: This product supplies calcium ascorbate, a buffered form of vitamin C that is bioavailable and non-acidic; it is enhanced with bioflavonoids, which work synergistically with vitamin C.* CERTIFICATIONS/CLASSIFICATIONS: Quality GMP Assured, Non-GMO, Soy Free GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation). Packaged in the USA by a family owned and operated company since 1968 Vitamin C is a water soluble nutrient well known for its vital role in the immune system.* Vitamin C is also necessary for the production of collagen (a structural protein in connective tissue) and is tfore important for skin, bone, and joint health.* Vitamin C is needed for amino acid metabolism, neurotransmitter synthesis, and the utilization of many nutrients, such as folic acid and iron.* It is also a highly effective antioxidant that can protect the body's cells and molecules from damage by free radicals and reactive oxygen molecules generated during normal metabolism and exposure to environmental stressors.* This product supplies Calcium Ascorbate, a buffered form of Vitamin C that is bioavailable and non-acidic; it is enhanced with Bioflavonoids, which work synergistically with Vitamin C.* Payment DetailsWe currently accept payment via PayPal only. Once payment is cleared, we will dispatch your shipment within 1-3 business days. Please refer to the "Shipping" tab for more information regarding shipping speed to your destination.Return PolicyAs our valued customer, we will do our best to make sure the product you receive arrives to you on time and as expected. If you are not satisfied with your purchase, please contact us within 30 days of receiving your order to process a return.