Gaining muscle naturally is something that i know that many guys would really desire especially the teenagers,getting muscles and having less fat makes a guy look appealing and attractive especially attractive to ladies
You can gain muscle naturally by going to the gym and engage in fitness training and weigh-lifiting,the more fitness training you do the easier you can become physically fit and when you also engage in weigh-lifting the more muscles you can have,
using of steroids is not a natural way to gain weight so i will not advice anyone to use it in other to gain muscles...goodluck on your journey to gain muscle naturally