As we known Vitamin C is one kind of water-soluble Vitamin, we also call it as ascorbic acid.our body can’t produce Vitamin C at all. we ingest it from many fruits and vegetables because fruits and vegetables contain rich Vitamin C. How much Vitamin C should I take a day? This is a good topic.Each country has its own dietary standards. The recommended amount of The Dietary Guidelines for Chinese people is 100 mg Vitamin C. Read More