Vitamin Supplement.The Better Vitamin C. 24 Hour Immune Support Non-Acidic Stomach Friendly Enhanced Absorption with C-Sorb Patented Formula 1 Pharmacist Recommended Brand Ester-C is a patented ingredient that provides powerful immune system support. It is quickly absorbed and gentle on your stomach.Ester-C also contains C-Sorb. Ester-C, along with C-Sorb and naturally occurring metabolites, works synergistically to enhance the absorption and retention of Vitamin C in your body. In a clinical study, white blood cell levels of Vitamin C were elevated in subjects receiving Ester-C when measured 24 hours after initial dose. Ester-C gives you powerful immune system support at the cellular level for up to 24 hours - to help keep you healthy. Ester-C is non-acidic. That means it's stomach-friendly. Ester-C is gentle on your stomach so you can feel comfortable taking it every day.Ester-C gives you powerful immune system support. Ester-C provides your body with the antioxidant protection it needs to help keep you healthy and strong during times of seasonal change and other situations that challenge your immune system - for up to 24 hours. Increase of Vitamin C at the cellular level at 24 Hours Enhanced absorption Stomach-friendly Powerful immune support That's what makes Ester-C. The Better Vitamin C.Free Of: yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial color, artificial flavor, sodium (less than 5 mg per serving), gluten, grapefruit.Suitable for vegetarians. Suggested Use: For adults, take one (1) tablet daily, preferably with a meal.Store in a cool, dry place. UPC: 025077169818 Weight: 0.81 lbs