Evidence explainerCreatine monohydrate
Creatine Gummies vs Powder: Two Lab Rounds Found Gummies With Little or No Creatine
Creatine works the same in any form if the dose is really there. That is the problem with gummies: in independent testing, half or more failed their label claim, while every powder tested passed.
Key takeaways
- In 2025 testing commissioned by SuppCo, 4 of 6 best-selling creatine gummies on Amazon contained almost no creatine or none, while the popular powders tested had no such problem [1].
- In 2024, supplement maker NOW tested 12 creatine gummy brands by HPLC and only 6 met their label claims [2].
- Gummies that did contain creatine also showed elevated creatinine, a breakdown product, consistent with creatine degrading in the moisture and acidity of gummy manufacturing [1][2].
- Creatine's benefits come from creatine monohydrate trials, and stores are generally maintained with 3 to 5 g a day; a gummy only matches that if each serving truly delivers the dose [3][4].
- If you prefer gummies, look for batch-level third-party testing such as NSF Certified for Sport or USP, and do the label arithmetic for grams per serving [1].
Safety at a glance
From our Creatine monohydrate monograph. Published interactions and cautions only, each with its source.
Interactions
- Caffeine. In 9 men, caffeine taken during a 6-day creatine load left the 4–6% phosphocreatine rise intact but wiped out the 10–23% torque gain seen with creatine alone.[17]
Who should be careful
- Medicines. NIH ODS lists no drug interactions for creatine. That means none are published in that source, not that creatine is safe with every medicine.[1]
- Kidney. A 2025 meta-analysis found a small rise in serum creatinine (significant at follow-ups under 1 week and over 12 weeks, not at 1–12 weeks) with no significant change in glomerular filtration rate. Because creatinine is a routine kidney test, this can complicate lab results. Trials mostly enrolled healthy people, so anyone with kidney disease or reduced kidney function should discuss creatine with their clinician first.[12]
- Pregnancy and breastfeeding. Insufficient human safety data in our sources.[1]
- Liver. No liver-specific human safety data in our sources.[1]
The evidence, graded
Pulled from our monograph evidence tables. Grades follow our evidence-grading policy.
- Grade AImprovedMuscle strength with resistance trainingVersus placebo, upper-body strength +4.43 kg and lower-body strength +11.35 kg. Gains were significant in men; women showed no significant gains, but only 2 trials (40 women) were female-only.
- Grade AImprovedLean body massOverall +0.68 kg lean mass vs placebo; +1.10 kg when combined with resistance training (any age). No significant effect without exercise (+0.03 kg) or with mixed exercise. Men +1.46 kg; women +0.29 kg (not significant).
What the independent lab tests found
SuppCo, a supplement-tracking platform, had six of the most popular creatine gummies on Amazon tested by an independent lab in 2025 [1]. Four failed: one top-ranked product delivered 0.005 g of creatine in a serving labeled 5 g, another 0.025 g, and two contained no detectable creatine [1]. Amazon told WIRED it requires third-party test reports from supplement sellers and would run its own tests [1].
A year earlier, NOW tested 12 creatine gummy brands bought online using high-performance liquid chromatography; only 6 met label claims [2]. Products claimed between 750 mg and 5,000 mg of creatine per serving, spread across 1 to 5 gummies [2]. NOW also reported it could not find a contract lab able to run these gummy tests, a gap that makes routine quality checks harder [2].
Why creatine and gummies do not mix well
Gummies are made with water and heat, and many contain citric acid; creatine breaks down to creatinine faster under those conditions than it does as a dry powder [1][2]. In the 2025 tests, every gummy that contained creatine also had elevated creatinine, and none of the powders did [1]. NOW found that even creatine plus creatinine did not add up to the label claim in its failing products, suggesting too little creatine was added in the first place [2].
There is also a size problem: a 5 g dose is a lot of material to pack into candy. One formulation expert told NutraIngredients that a huge dose claim on a tiny gummy is an obvious red flag [2].
What the creatine evidence is actually based on
The benefits of creatine for strength and lean mass come from trials of creatine monohydrate, usually as powder, alongside resistance training [3]. The International Society of Sports Nutrition position stand says that once muscle stores are saturated, they can generally be maintained with 3 to 5 g of creatine a day [4]. A gummy that truly delivers that dose should work the same, but you are relying on the label being right [1].
Powder is also usually cheaper per gram, so compare products on cost per daily dose with our price-per-dose calculator. Common concerns are covered in creatine and hair loss and the loading phase.
If you still want gummies
Ask for a certificate of analysis for your batch, and prefer products carrying an independent certification such as NSF or USP; a Harvard supplement researcher quoted by WIRED named those two programs as the best safeguard available to shoppers [1]. Check how many gummies make one serving and how many grams of creatine that serving claims, then compare against the dose used in trials [2][4].
Store any creatine product cool and dry. Women considering creatine for midlife strength can read creatine for women in menopause or on a GLP-1.
Quick answers
Do creatine gummies work?
Only if they contain what the label says. In independent tests, 4 of 6 popular gummies and 6 of 12 brands failed their label claims [1][2].
Is creatine powder better than gummies?
Powder has the trial evidence, tested reliably in the 2025 lab round, and does not have the degradation problem seen in gummies [1][3].
How many creatine gummies equal 5 grams?
It depends on the brand; products tested in 2024 claimed 250 mg to 1,700 mg per gummy, so a 5 g dose could take several gummies or more [2].
Keep reading
Full monographs
Related articles
- Creatine After 50: What It Does for Muscle, Memory and Bone (and What It Doesn’t)
- Creatine for Women Over 50, in Menopause, or on a GLP-1: What the Trials Support
- Creatine Loading Phase: Do You Need It, and Why Did the Scale Just Jump?
- Does Creatine Cause Hair Loss? The One Study Behind the Fear, and the Trial That Finally Checked Hair
Browse the full Supplement & Nutrient Encyclopedia or all supplement articles.
Where to buy Creatine monohydrate
Products from brands we partner with that contain Creatine monohydrate. Listing a product is not a claim that it works; check the amount per serving against the doses studied above, and the label for other ingredients.
- SupersmartPaid link3-Creatine1 scoop (3.5 g): 3 g creatine, mostly from creatine monohydrate (3,360 mg) with small amounts of creatine phosphate and pyruvate; 70 servingsShop at Supersmart (opens in new tab)Price and label checked 2026-10-11 on the brand’s site.
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References
- [1]Those Creatine Gummies You Bought Online Might Not Contain Any Creatine (June 18, 2025; accessed October 11, 2026). WIRED, 2025.
- [2]NOW raises red flags after creatine gummy testing (March 1, 2024; accessed October 11, 2026). NutraIngredients, 2024.
- [3]Effects of Creatine Supplementation and Resistance Training on Muscle Strength Gains in Adults <50 Years of Age: A Systematic Review and Meta-Analysis. Nutrients, 2024.
- [4]International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. Journal of the International Society of Sports Nutrition, 2017.