My son is 13 yrs but only 135 cm tall should I see a child endocrinologist

there is no supplement. just make sure you eat healthy. and why have you not introduced weaning for your child yet? are you feeding your child any other food items?

Vitamin D By Sun Exposure The vitamin is produced when a body is exposed to the sunshine and the amount of its production depends upon the various factors. The factors include season such as if there is a winter season, then there will be less sunshine, and the time of the day like sun rays are p....