About the efficacy and role of vitamin ad softgels, probably the following points: 1, vitamin A and vitamin D can promote the human body bones and growth and development, improve the cellular organization of infants and young children, the development of body organs. 2, can prevent and treat rickets due to the lack of vitamin A and vitamin D. 3, to promote the human body's metabolism and blood circulation, slow down the aging process, treatment and prevention of eye diseases, lighten chloasma, lighten fine lines, and promote the health of teeth. It makes women have a good color.4. It can maintain the normal development of bones, strengthen muscles and bones, and promote the body's absorption and digestion of calcium ions.5. It protects one's eyesight, prevents myopia, increases the moistness of the eyes, relieves eye fatigue, and improves the ability of night vision. If the lack of vitamin A, will lead to infants and young children stunted development, dental development of all kinds of dental problems, but also cause the roughness of the skin, weakening the infants and young children's sense of taste and smell, slow reaction. Vitamin D deficiency is detrimental to calcium absorption and bone development. This is an over-the-counter medicine, can effectively treat night blindness, rickets, etc., but we need to remind you that, although everyone's body needs to have vitamin A and vitamin D, but this product is not everyone needs to take, there are related chronic diseases or high calcium blood patients can not be taken, in addition, can only be taken for a short period of time, once the long-term dependence on vitamin ad softgel, it is likely that it will lead to chronic toxicity , joint pain, constipation, diarrhea, thirst, fever, etc. It is recommended that you take it under the guidance of professionals.