The Claim

Across 685 clinical trials, no differences in clinical markers of health and renal function were observed between individuals receiving creatine supplementation and those receiving a placebo, suggesting that creatine does not adversely affect kidney function in healthy individuals or patients under medical management.

Source: Safety of creatine supplementation: analysis of the frequency of reported side effects in clinical trials

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
64score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Description
1 study reviewed
In plain English

Taking creatine doesn’t seem to hurt your kidneys — studies show no difference in kidney health between people who take creatine and those who don’t, even after hundreds of trials.

See the scientific wording

Clinical markers of health and renal function show no differences between creatine and placebo groups across 685 clinical trials, indicating that creatine supplementation does not adversely affect kidney function in healthy individuals or medically managed patients.

What the research says

1 study
  1. Study: Safety of creatine supplementation: analysis of the frequency of reported side effects in clinical trials

    The study looked at hundreds of trials and found that creatine doesn’t harm the kidneys or cause more side effects than a placebo. This matches the claim perfectly.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.