Vitamin C, also known as ascorbic acid, English name is vitamin C or ascorbic acid. It is an essential nutrient for human beings and a few other organisms. Many animals can synthesize vitamin C from glucose, but people can only get it from food. Vitamin C is also the largest daily requirement of all vitamins (for ordinary adults, the recommended dietary supply of nutrients for most vitamins is less than 20 mg / day, while vitamin C is 100 mg / day). Read More