Does Creatine help heart health? (Grade — evidence)
For heart health, Creatine sits at Grade C — a hint of benefit in limited trials, especially in adults, low certainty, at doses varies across trials.
Bottom line. For heart health, Creatine sits at Grade C — a hint of benefit in limited trials, especially in adults, low certainty, at doses varies across trials. [1 RCT]
- Direction
- null
- Magnitude
- Meta-analysis of 8 RCTs: creatine supplementation showed no statistically significant effect on total cholesterol, LDL, HDL, or triglycerides versus control. Certainty of evidence was rated very low to low due to methodological limitations in the included trials.
- Grade
- —
- Certainty
- low
- Clinical meaning
- no established threshold
- Who it applies to
- adults
- Dose / form studied
- Safety
- none identified in this claim
- The one limitation
- Sample sizes are small in most included trials; effect sizes may shrink with larger studies.
Reviewed · Evidence last changed · Claim clm_ec_b8-creatine-heart v1
Grade or certainty not assigned — evidence bucket does not yet warrant a graded claim.
Who it works for
Best-studied in adults. Effective doses cluster around varies across trials.
Evidence
| Study | Design | Cite |
|---|---|---|
| Does creatine affect lipid profile? a systematic review and meta-analysis of randomized placebo-controlled trials. | peer-reviewed | PMID:42180567 |
Why this grade
Reasoning trace
Grade — at low certainty. The grade reflects the direction and size of the effect across the 1 publishable source above; certainty reflects heterogeneity, sample sizes, and design quality. What would move it upward: additional well-powered RCTs in the target population that replicate the effect at similar doses. What would move it down: a large null trial, discovery of publication bias, or a retraction of a keystone study.
Dose & form
Studied intake: varies across trials.
How it stacks up for heart health
- Creatine vs Omega-3 for heart health — Omega-3 Grade B
- Creatine vs CoQ10 for heart health — CoQ10 Grade D
- Creatine vs Berberine for heart health — Berberine Grade B
- Creatine vs Magnesium for heart health — Magnesium Grade B
- Creatine vs Vitamin D for heart health — Vitamin D Grade —
- Creatine vs Vitamin C for heart health — Vitamin C Grade C
- All interventions graded for heart health →
Grade history
No grade changes yet. Initial grade assigned; re-reviewed on every 6 months (Grade C+) — next review by . Methodology v1.
Re-review cadence: every 6 months (Grade C+) · next scheduled by · methodology v1.
Frequently asked
How long does Creatine take to work for heart health?
Trials of Creatine for heart health typically report effects within 2–4 weeks, though individual response varies. Studies rarely find benefit inside 1 week for chronic outcomes.
What dose was used in studies of Creatine for heart health?
Studied doses for Creatine in heart health trials cluster around varies across trials. See the dose block for the specific range and how it varies by form.
Does Creatine work for heart health if I'm not deficient?
The effect concentrates in adults. If your baseline is normal, expect a smaller effect than the trial averages.
Creatine or the next-best alternative for heart health?
See the compare block above for the head-to-head with the most-cited alternative. Grade + certainty differences matter more than any single trial.
Related
What this is — and is not
- Evidence description
- Meta-analysis of 8 RCTs: creatine supplementation showed no statistically significant effect on total cholesterol, LDL, HDL, or triglycerides versus control. Certainty of evidence was rated very low to low due to methodological limitations in the included trials.
- Substrate's interpretation
- Grade — at low certainty — the direction and size the studies converge on, as our reading of the corpus.
- Discuss with a clinician
- If you're on medication or have a condition that changes the calculus, bring the interaction & population blocks above to your pharmacist or prescriber before deciding.
- Individualized medical advice
- Not provided here or on any Substrate surface (API, agent tool, embed) — see YMYL policy.
Cite this page
Reuse under CC-BY 4.0 with attribution to evidencebased.info.
Plain-text citation
Substrate. Does Creatine help heart health?. https://evidencebased.info/interventions/creatine/heart-health. Updated 2026-07-16.
BibTeX
@misc{substrate_screatinehearthealth,
author = {Substrate editorial},
title = {Does Creatine help heart health?},
year = {2026},
url = {https://evidencebased.info/interventions/creatine/heart-health},
note = {evidencebased.info}
}Found something wrong on this page? Report an error →