The whitening effect of vitamin C is still worthy of recognition. 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. Usage and dosage: 1 time/day, 2 capsules each time.