Source Naturals Vitamin C-1000 Non-GMO Corn-Free, 250 Tablets

What the brand says

Dietary supplement. Supports immune system. Vitamin C, also referred to as ascorbic acid, is the single most commonly used vitamin supplement. It plays a major 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). Non-GMO C-1000 is made from tapioca, a non-GMO, corn-free source. Suitable for vegetarians and hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives or artificial color, flavor or fragrance.