Taking too much creatine might be harmful, and some supplements could be contaminated with dangerous stuff like cyanide or heavy metals because of how they're made and not enough safety checks.
Evidence from Studies
Supporting (0)
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Contradicting (2)
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The study looked at thousands of people taking creatine and found no more side effects than those taking a placebo, which goes against the idea that creatine is dangerous or often contaminated.
Safety of creatine supplementation: analysis of the prevalence of reported side effects in clinical trials and adverse event reports
The study looked at whether people taking creatine have more side effects than those taking a placebo and found no real difference. It didn’t test for toxins like cyanide in the supplements, but it shows creatine is generally safe when used normally.
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.