Supplement facts: Amount per serving Vitamin C 90mg Vitamin C is rich in many foods such as oranges, lemons, tomatoes and green vegetables. But it is difficult for modern people to take in the required amount of vitamin C from diet, since people may drink, smoke or live in a polluted city. As a dietary supplement, vitamin C acts as an antioxidant to prevent body from damage of smoking, drinking and harmful environment. Vitamin C is required for collagen in the connective tissue and is also needed to enhance immunity system, resist scurvy and hypersensitivity, and whiten the skin. Research continues to show that vitamin C has many effects as a dietary supplement. It is produced by GMP manufactory. Specification: 800mg X 100 tablets Serving size: 1 tablet each time, one time daily