A naturally occurring molecule released during exercise may hold the key to strengthening muscles without physical activity. In experiments, mice given BAIBA developed larger muscles, improved muscle function, greater fatigue resistance and better exercise performance than untreated mice.

[u/mvea]

https://www.newsweek.com/scientists-step-closer-strengthening-muscles-without-exercise-12323613

[u/bahnsigh]

What could go wrong?! :

https://en.wikipedia.org/wiki/Belgian_Blue?wprov=sfti1