Literotica Protein Shake Muscle Growth Stories

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A Love High in Protein

by mistyfdfa on Sep 16, 2017
Sci-Fi & Fantasy

Warning: this massive, sexually explicit story, featuring a couple consisting of a huge, burly guy and a petite, willowy size queen, is about her achieving her dream of somehow growing larger to the point that she out grows him in every way imaginable. If things like a size difference fetish, muscles growing on both men and women, a woman becoming altersex,...

A Mysterious Protein Shake

by SageofRhun on Mar 21, 2018
Sci-Fi & Fantasy

All characters are 18 and above. Disclaimer: This story contains fetishes such as female muscle growth, elements of breast expansion and height growth. The character portrayed maybe larger than average as well. It's just description too. If it's not your cup of tea, I suggest reading something else. **** A young woman sighed and looked at her frail and...

Side Effects Ch. 01

by grgy56 on Sep 5, 2018
Transsexuals & Crossdressers

I was never what anyone would refer to as the typical male. Standing only five foot five and weighing only 130 pounds, no one would ever use me in a he-man advertisement. I wasn't scrawny; my body was well formed with some muscle in my chest and legs. My physique hasn't really changed at all since I was 15. Getting girls in school was not the easiest since t...

Tranny Fantasy World

by panopticind on Sep 15, 2017
Transsexuals & Crossdressers

If I were not afraid of shame and assuming practicality is no issue, I'd turn myself into a piece of fuck-meat for well-hung trannies. I'd have an army of the world's most beautiful and well-hung chicks with dicks living in my mansion. I suppose they'd receive a salary as an employee of mine and not be slaves or something. But I'd say I'd need about 500 tran...

A Birthday on Camera

by mistyfdfa on Sep 16, 2017
Sci-Fi & Fantasy

This story contains two tans ladies in a d/s relationship getting off to each other's growth and frankly getting a little carried away. If hugely dicked or muscled women are not your thing, I would choose another destination. ***** When Zoey got a message from Kelly at lunch, saying that she wanted to Skype tonight, she figured her girlfriend was just goin...

Weight Gain XXL

by Gabidy-Gook on Apr 22, 2025

Female Protagonists: This company has made a formula which has the appearance of eggnog, a sweet smell, and a thicc consistency. It accelerates fat cell production by roughly 500%. What does this mean? Well, say someone eats a meal and preferably before, or after they ingest a bottle of WGXXL, they will become extremely energetic as almost all calories fro...

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(Don't Have to) Twist My Arm

by mistyfdfa on Sep 16, 2017
Sci-Fi & Fantasy

The following story about a switch in a poly relationship contains alchemical potions that causes several kinds of growth. If you are not into women growing thick penises or becoming quite muscular, this story is probably not for you. ***** Yuuki woke to the feeling of her ear lobe being nibbled on as thick fingers toyed with her nipple. From how much bigg...

Finn'n'Fat

by Spencerfiction on Mar 17, 2020
Humor & Satire

Finn was always bigger than all the kids of his age and always wanted to be a professional WWF wrestler. When he reached puberty, after an initial growth spurt for a year, however, his growth slowed and his peers partly closed the gap. He worked the weights hard, eating his family almost out of house and home, but still didn't make the progress he had hoped...

Valerie Song: Drama Bomb Epilogue

by dongstar on Feb 6, 2018
Fetish

"Valerie, I have to say this is the best article you've ever written!" said Evangeline DeTimitayo, letting the last page of Valerie's latest submission fall to the surface of her desk and clasping her hands across the top of the pile. "It has everything! Emotion, drama, romance, comedy, and all without losing your trademark raw sexuality! I would be proud to...

Reunion Ch. 01: Jupiter

by mistyfdfa on Sep 16, 2017
Sci-Fi & Fantasy

This is one of a few flash-sized chapters I am writing for the next few months. This particular episode contains weight gain justified by pseudo-science. If such a thing would gall you, I would consider reading something else. ***** Jupiter Morrison shuddered with anticipation as she held up the second outfit she was debating wearing to the reunion. The s...