Vitamin C, a natural vitamin in Tang Sheng, is a water-soluble vitamin. In the human body, it plays an extremely important role, but human beings can't synthesize vitamin C by themselves, and they must get it with the help of food. The intake of vitamin C depends not only on simple plants, but also on some higher and purer health foods. Main efficacy: 1, natural vitamin C can promote the synthesis of collagen, enhance skin elasticity, prevent skin dryness and aging, whiten and remove spots. 2. Maintain normal connective tissue, because collagen is an important substance to form cartilage, bone, enamel and vascular epithelium. 3. It has antioxidant effect, can protect human body from free radicals, enhance immunity, improve resistance and prevent diseases such as colds. 4. Manufacture of adrenal steroid hormones. 5. Promote wound healing and increase sensitivity to stress such as injury and infection. During infection and fever, the loss of this vitamin will also increase, so it plays an important role in the response to stimulation. 6, detoxification. 7. Improve myocardial function and reduce capillary fragility. 8. Fighting against free radicals helps to prevent cancer, lower cholesterol, maintain the healthy state of blood vessels and prevent scurvy. 9. Protect the health of teenagers' bones, teeth and gums and promote the absorption of iron and calcium. 10, which is helpful to supplement vitamin C damaged by long-term smoking and drinking. Suitable age: over 14 years old, Yangshengtang natural vitamin C chewable tablets, real all-natural vitamin C, derived from West Indian cherry concentrate, each containing vitamin c 100 mg, all from 588 mg West Indian cherry concentrate. Capacity: 0.85g×90 tablets. Suitable age: 14 years old or older. How to eat and how much to eat: 2-3 tablets per day for adults, 1 tablet per day for pregnant women, wet nurses and people under 8 years old.