hi, am 27 years old guy, i have some problems from last 3 months, like leaking of semen and pain in my back little and not wait loss but no fat i have in my body, and i feel my legs and biceps are shrinking my cloths are lose now west is loose, and i have consulted to a doctor he gave me some multivitamin capsuls but it does nt work as i want , and because of work i cant eat timely.please help me out