My friend (a girl) wants to gain weight, but lean weight, not fat. Advice?

Hello I was just wondering I have a dog is an american pitbull terrier but he doesn't gain weight I already used redcell to see if that would help but it doesn't I mean he does gain weight but his body doesn't change he looks the same but heavier so I would like to know if any one knows how to make...

I am 22, height 155cm.50kg. I want to have expanded bones and more weight so that I will be looking like the person of correct age. Now I am looking like 15year boy. This makes me depression. Kindly give the suggestions and advice.

This question is also under Other (Health & Wellness): OK, let's see. I'm 5'10", 100 lbs, and have a very hyper metabolism. I'm 28 and have tried things like protein shakes/mixes with other meals, milk, bananas, etc. People tell me a lot, but I am getting no results. Does someone out there...

OK, let's see. I'm 5'10", 100 lbs, and have a very hyper metabolism. I'm 28 and have tried things like protein shakes/mixes with other meals, milk, bananas, etc. People tell me a lot, but I am getting no results. Does someone out there know of something that really can put weight on this body...