My friend is 25 year old but his body is very thin from the normal body. He eats very protein but his body not absorb protein. Why it is occur with him?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.