I want to gain weight. I am 33 years old male. My height-5.8 ft, weight-50 kg. I always fatigue easily, no stamina. I had whole body pain also but to overcome this doctor give nexnuron, doctor says nerve weakness. When I take ashwagandha churn. I got energy. I have done whole body test like cbc, iron So pls suggest suggest allopathy medicine for gain weight and allopathy supplement like ashwagandha churn also. I think in allopathy ashwagandha being told ginseng. Pls suggest any supplement. Which gain my weight and overcome fatigue.