Creatine is a chemical our bodies naturally produce because it helps your body make/repair ATP. Yes it does put more water in your muscles as well. @Tfmonkey
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National Academy of Sports Medicine certifies personal trainers
This says blog dot NASM dot org instead of NASM dot org
"WHAT DOES CREATINE DO & WHY YOU SHOULD USE IT FOR MUSCLE GROWTH"
https://blog.nasm.org/creatine-explained
"Hundreds of studies have been conducted on creatine, and we can relatively safely say that creatine does work."
Top 4 nutritional supplements that work
https://blog.nasm.org/top-4-nutritional-supplements-that-work
