Vitamin C 500 mg Tablets, 100 ct, QC98029 Quality Choice Sale! This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Vitamin C is an important antioxidant nutrient that helps support the immune system. No added sugar, yeast, preservatives, or artificial flavors, and gluten-free.