The Claim

Creatine supplementation at recommended doses (3-5 g/day) does not impair kidney function in healthy individuals, as evidenced by no consistent elevation in serum creatinine or reduction in estimated glomerular filtration rate across decades of research.

Source: Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show?

What the research says

Supports is higher

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

Supports
20score
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 supplements at the normal dose won’t hurt your kidneys if you’re healthy — lots of studies over many years have shown no consistent sign of kidney problems.

See the scientific wording

Creatine supplementation at recommended doses (3-5 g/day) does not impair kidney function in healthy individuals, as evidenced by no consistent elevation in serum creatinine or reduction in estimated glomerular filtration rate across decades of research.

What the research says

1 study

  1. Study: Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show?

    This study looked at lots of scientific papers and found no proof that taking creatine at normal doses hurts your kidneys — so it backs up the claim that it’s safe for healthy people.

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.