Trying to gain muscle, NOT FAT. Help!
So I'm slightly underweight (5'3", almost 5"4" and weigh as of now 94 lbs) and have been trying to gain weight for the past month or so. When I started, I weighed 88.5 lbs and was eating somewhere between 400-700 calories per day. I was under eating by a lot and didn't realize how much until I started on here. The doctor…