Follistatin-344

The muscle results came from a virus injected into each quadriceps at 6e11 viral genomes per kilo.

Also called FST-344, FS-344, Activin-Binding Protein

Who it's forAny lifter shown mouse photos and sold a myostatin blocker.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.