Curated List

Favorite Muscle/Fat Gain Stories

Curator: smtmiz

last change on July 22, 2024

Stories containing muscle growth, fattening, or usually both. Emphasis on the bears.
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A college student is worried about his chemistry class. However, when he gets to class, he realizes that he may not be properly prepared. Thankfully, his good friend, Jimmy is there to help. Big Bear on Campus was developed by Wesley Bracken. Used with permission.
2,401
3/2/20
A jock finds a new supplement to get to the size he always wanted
Spencer is just your average post-college graduate, down on his luck and working a dead-end job. When he runs across a magical clothing store that changes him in ways he never could of expected he learns there is more out there to experience and with the help of the sexy and cute store owner he finds exactly what he is looking for.
My first attempt at a weight gain and feeding story. Muscle bound cop, Hugh, learns to let his inhibitions go and give in to desire.
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Jack moves to the big city hoping to get over his social anxiety and meet some other gays. He joins the gym to start by getting in shape, and meets a trainer happy to help shape his body, but maybe just not in the way Jack had in mind...
3,832
5/30/21
Men have been going missing without a trace. Only those who go missing knows what truly happens, and what types of traps they have to undergo for some misdeeds in their past.
The new gym you heard about sounds too good to be true. When you arrive early for your free one-on-one training session, you realize the coach has a very different idea in mind for your growth
3,237
7/13/21
A night out at a western bar leads to a chance encounter with a sexy daddy bear, and the passionate sex starts to change you into his ideal cub.
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2,067
8/7/21
Jeremy cant seem to build muscle, so in a desperate attempt he decides to go down the unhealthy path and orders a pizza. Little did he know that was just what he needed
6,981
8/1/21
An eager jock-to-be realizes there’s no way to bulk up quickly without consequence. If he’s not careful, he might find out exactly how a new super-effective mass gainer shake is made...
Men begin to discover that shortly after catching a cold, they get insatiably hungry after ejaculating. They also notice that additional changes occur.
Manny can't help but notice a Godly Physique in the bar, wanting more than anything to end up in bed with them. As if by magic, Manny ends up bringing them home, only for Manny to end up transformed into just another task for the Hero.
Your new personal trainer sees you eying some of the beefy bear lifters. He offers to grow you too, although he has his eyes set on seeing you not just adding muscle, but giving you plenty of fat too.
7,470
11/24/23
A young gainer cub is looking for a fun night with an experienced older feeder, but when the two click the cub finds himself growing far more than he could have imagined.
A young man named Alan escapes from a rainstorm in a weird older man's house. He is given a cup of hot chocolate that starts a biochemical reaction he couldn't have foreseen. But is there more than meets the eye at work? And what will happen to poor, sad Alan?