I live in hostel ? I can not eat fruits or any healthy diet everyday. What should I eat to fight diseases and improve immune power? Like any tonic or powder?

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.