Vitamin AD soft capsule belongs to the compound preparation, which is made of vitamin A and vitamin D2, and 16-year-old boys need to follow the doctor’s instructions to supplement 30,000~40,000 units of vitamin A and 3,000~4,000 units of vitamin D2. Vitamin AD soft capsule, in the clinical mostly used in the treatment of rickets, night blindness, etc., can also be used for the prevention and treatment of vitamin A and D deficiencies, if the 16-year-old boy has indications, and there is no chronic renal failure, hyperphosphatemia with renal rickets, etc., you can follow the doctor’s instructions to take this product orally. In general, 16-year-old boys require a medically prescribed supplement of 30,000 to 40,000 units of vitamin A and 3,000 to 4,000 units of vitamin D2. If a 16-year-old boy has a need for medication, it is recommended to go to the hospital in time, follow the doctor’s instructions to standardize the use of medication, avoid increasing the dose, so as not to cause chronic poisoning, bone and joint pain, dry lips, constipation and other symptoms.