Solgar Ester-C Plus is a specialized vitamin C supplement containing 500mg of gentle, non-acidic vitamin C in each capsule. This well-retained formula is designed to provide immune system support through 50 vegetable capsules that are gluten, wheat and dairy free. Ester-C is a unique, patented form of vitamin C that is gentler on the stomach compared to regular ascorbic acid. The formula is designed to be non-acidic and well-retained by the body, making it ideal for those with sensitive stomachs. Each bottle contains 50 vegetable capsules that are suitable for vegetarians and free from common allergens like gluten, wheat, and dairy. The supplement comes in a dark brown glass bottle with a gold cap to protect the contents from light degradation.