this post was submitted on 17 Jun 2025
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That's absolute nonsense. Your body produces a lot of creatine every day. Like, it's what the majority of arginine in your diet goes to making. The science is a bit iffy on whether it helps you lifting. There are some quite convincing studies that it helps cognitive function in vegetarians. Vegetarians don't get creatine in their diet, they have to make it themselves. If the diet is a bit poor in arginine as well then it makes sense that they are slightly deficient. If you get most of your protein from whey they you will also have a low creatine / arginine diet and a supplement makes sense.
Creatine works as an energy buffer in cells. There might only be a couple of seconds worth of energy in ATP but I seem to remember that creatine-P gives the cell up to a minute of energy. IIRC especially important in neurons because they don't perform anaerobic production of energy from glucose.
And taking excess amounts fucks with your body's internal regulatory systems and reduces its ability to produce it normally.
"That's nonsense"
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Source?
Thanks to the rapid enshittification of Google I can't seem to find the actual studies anymore but it's just how your body and homeostasis works. You can find plenty of older body building forums talking about it though, it was just a known fact.
The good news is it's by all accounts pretty temporary, about 1-3 months before you return to pre-supplement levels. The problem as always is these studies are never on long term effects, they'll give people 3-5g for a few months and then record the results.
It's never "we made gym rats stop their twenty year old habit to record what happens because they're gym rats and who the hell knows what else they put in their body."
Creatine is probably safe if you keep it below 3-5g. The point is that we don't know the long term negatives and the benefit isn't building more muscle it's having more energy for the workout.
If you're not the type of gym goer that exhausts themselves every day you don't need it.
You're talking about anabolic steroids, not creatine.
No, I'm not.