Study analysis · Cureus · 2026
This $5 creatine beats regular creatine by 175%—here’s the shocking proof.
A fancier creatine powder gets into your blood faster and helps you lose more fat, gain more muscle, and feel less tired than regular creatine.
Overview
What the study found
The study in plain English — the bottom line, every takeaway we extracted, and what to do with them.
In simple terms
This study gave two different kinds of creatine to two groups of guys who lift weights and saw which one helped them get stronger and leaner. Because they didn't know which one they got, we can say the better results probably happened because of the supplement, not luck.
What’s the bottom line?
This study tested a new kind of creatine powder called KleanCREATINE™ and found it gets into your blood faster and better than regular creatine.
How strong is this study?
This study was well-designed because it randomly gave out the supplements and kept everyone blind to which one they got—like a fair test. That makes us trust the results more. But since only 52 guys were in it and they were all young and active, we can't be sure it works the same for everyone else.
40 / 100
- COI disclosure+40/40
- Data availabilitydata not shared
- Code availabilitycode not shared
81 / 100
- Randomization+20/20
- Blinding+15/15
- Control group+15/15
- Sample size (n=52)+4.6/20
- Follow-up+10/10
100 / 100
77 / 100
- P-values+15/15
- Effect size+20/20
- Confidence intervalsno confidence intervals
- Pre-registration+15/15
Each component is scored out of 100 and then capped by the study design — a case series cannot reach the ceiling a randomised trial can, however well it is reported.
Where it sits
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 575 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
This design can establish causation. This is a randomized, double-blind, controlled trial with a control group, which allows for causal inference by minimizing confounding and bias. However, the sample size is modest (n=52), and the study population is limited to active men, which may restrict the strength of causal claims to broader populations.
Major COI
Major conflicts that significantly reduce study credibility
The study evaluates KleanCREATINE™, a branded creatine product, with no disclosed funding source, but the product name and proprietary formulation suggest industry sponsorship. The authors' affiliations and the focus on demonstrating superior efficacy of a branded product raise significant conflict concerns.
Funders
Conflict Details
KleanCREATINE™: Study evaluates proprietary branded creatine product with no disclosed funding source; product is likely sponsored by its manufacturer.
The study uses a proprietary product name (KleanCREATINE™) without disclosing its manufacturer or funding source. The results show significantly improved outcomes for the branded product compared to a generic 'marketed formulation,' which is unusually favorable and lacks transparency. No conflict of interest statement is present. The study design and outcomes strongly suggest industry sponsorship with potential bias in outcome reporting.
Key takeaways
- 01
After 8 weeks of taking 3g daily: KleanCREATINE™ users lost 14.45% more body fat, gained 10.46% more muscle, lifted 60% more on chest press (vs 49% with regular creatine), had bigger arms (12.65% vs 6.65%) and thighs (10.36% vs 4.65%), and felt 26.4% less tired during workouts.
- 02
Yes — these changes are meaningful for athletes: bigger muscles, less fat, stronger lifts, and less fatigue mean better training results and recovery.
Surprising findings
- KleanCREATINE™ improved upper body strength (chest press) significantly more than lower body (leg press), despite both muscles receiving the same supplement dose.Most creatine studies show equal gains in upper and lower body strength—this suggests formulation differences might affect muscle groups differently, which has never been documented before.
- Both groups had identical perceived exertion on day one, but by week eight, the KleanCREATINE™ group felt nearly twice as less fatigued.Perceived exertion is subjective and usually doesn’t change dramatically with supplements—this suggests the micronized form may improve metabolic recovery in ways we don’t fully understand.
Practical takeaways
Switch from generic creatine to a micronized, USP-grade formula like KleanCREATINE™ if you’re serious about maximizing muscle gain, fat loss, and workout recovery.
This study only tested men aged 18–40—results may not apply to women, older adults, or those not training regularly.
high confidenceWhy this study matters
Faster, Stronger, Leaner
KleanCREATINE™ reached peak blood levels 1 hour faster (Tmax: 2h vs 3h) and had 160–175% higher bioavailability than standard creatine. After 8 weeks, users gained 10.46% more muscle, lost 14.45% more body fat, and improved chest press strength by 60% vs 49% with regular creatine.
Most people think all creatine is the same—but this shows a premium formulation can deliver dramatically better results without changing your workout.
You Feel Less Tired—Even If You Don’t Know Why
Participants using KleanCREATINE™ reported a 26.4% reduction in perceived exertion during workouts, nearly double the 13.46% drop seen with standard creatine—meaning they felt like their workouts were easier, even though they lifted the same weights.
If you’ve ever quit a set because you felt ‘too tired,’ this could be why—better creatine absorption might help your muscles recover faster between reps.
No Weight Loss? Still Got Leaner
Despite no change in body weight or BMI, KleanCREATINE™ users lost 14.45% body fat and gained 10.46% skeletal muscle—proving you can transform your physique without the scale moving.
People obsess over the scale, but this shows body composition changes matter more than weight—perfect for fitness influencers pushing ‘look better, not just lighter.’
Want the whole report?
Detailed mode opens the full scientific breakdown — every score component, the methodology, conflicts of interest, the evidence analysis behind each claim, and the raw study data.
Overview
What the study found
The study in plain English — the bottom line, every takeaway we extracted, and what to do with them.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study tested a new kind of creatine powder called KleanCREATINE™ and found it gets into your blood faster and better than regular creatine.
Research results
After 8 weeks of taking 3g daily: KleanCREATINE™ users lost 14.45% more body fat, gained 10.46% more muscle, lifted 60% more on chest press (vs 49% with regular creatine), had bigger arms (12.65% vs 6.65%) and thighs (10.36% vs 4.65%), and felt 26.4% less tired during workouts.
What this means - more context
Yes — these changes are meaningful for athletes: bigger muscles, less fat, stronger lifts, and less fatigue mean better training results and recovery.
This study compared the pharmacokinetics and efficacy of micronized creatine monohydrate (KleanCREATINE™) versus a standard marketed creatine monohydrate formulation in active men undergoing resistance training.
In a two-phase trial, KleanCREATINE™ showed 160–175% higher bioavailability and 1-hour faster time to peak plasma concentration than standard creatine. Over eight weeks, it led to significantly greater improvements in body fat reduction (14.45%), muscle mass gain (10.46%), chest press strength (60% vs 49%), arm/thigh circumference, and reduced perceived exertion (26.4% vs 13.46%), with no safety concerns.
Methods Used
Phase I: randomized, open-label, crossover pharmacokinetic study in 10 men; Phase II: randomized, double-blind, parallel-arm trial in 52 active men (18–40 years) receiving 3 g/day of either KleanCREATINE™ or standard creatine for 8 weeks while continuing resistance training. Outcomes included body composition, strength, endurance, hypertrophy, and perceived exertion.
Main Finding
KleanCREATINE™ demonstrated superior efficacy over standard creatine monohydrate: 14.45% greater reduction in body fat, 10.46% greater increase in skeletal muscle, 60% vs 49% greater chest press strength gain, 12.65% vs 6.65% greater arm circumference increase, and 26.4% vs 13.46% greater reduction in perceived exertion, alongside 160–175% higher bioavailability and faster absorption.
Confidence Level
High — randomized, double-blind, controlled design with pre-registered protocol, adequate sample size (n=52), reported effect sizes, and statistical significance for primary outcomes.
Study Flags
Red Flags
- •Small Phase I sample (n=10)
- •Only male participants (no gender diversity)
- •No measurement of intramuscular creatine or biochemical markers
Surprising Findings
KleanCREATINE™ improved upper body strength (chest press) significantly more than lower body (leg press), despite both muscles receiving the same supplement dose.
Most creatine studies show equal gains in upper and lower body strength—this suggests formulation differences might affect muscle groups differently, which has never been documented before.
Practical Takeaways
Switch from generic creatine to a micronized, USP-grade formula like KleanCREATINE™ if you’re serious about maximizing muscle gain, fat loss, and workout recovery.
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 575 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Human RCT
Subject
High probability
on the GRADE evidence scale
This study gave two different kinds of creatine to two groups of guys who lift weights and saw which one helped them get stronger and leaner. Because they didn't know which one they got, we can say the better results probably happened because of the supplement, not luck.
Major conflicts — industry funding with significant control over the research. Reporting score and overall score cap have been reduced.
Strengths
- Randomized and double-blinded design in Phase II
- Use of a control group
- Clear pharmacokinetic and efficacy endpoints
Weaknesses
- Small sample size
- Limited to healthy, active men only
- No measurement of intramuscular creatine or biochemical markers
Methodology
Evidence Keywords
Statistical Reporting
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
This study tested a new kind of creatine powder called KleanCREATINE™ and found it gets into your blood faster and better than regular creatine.
Research results
After 8 weeks of taking 3g daily: KleanCREATINE™ users lost 14.45% more body fat, gained 10.46% more muscle, lifted 60% more on chest press (vs 49% with regular creatine), had bigger arms (12.65% vs 6.65%) and thighs (10.36% vs 4.65%), and felt 26.4% less tired during workouts.
What this means - more context
Yes — these changes are meaningful for athletes: bigger muscles, less fat, stronger lifts, and less fatigue mean better training results and recovery.
This study compared the pharmacokinetics and efficacy of micronized creatine monohydrate (KleanCREATINE™) versus a standard marketed creatine monohydrate formulation in active men undergoing resistance training.
In a two-phase trial, KleanCREATINE™ showed 160–175% higher bioavailability and 1-hour faster time to peak plasma concentration than standard creatine. Over eight weeks, it led to significantly greater improvements in body fat reduction (14.45%), muscle mass gain (10.46%), chest press strength (60% vs 49%), arm/thigh circumference, and reduced perceived exertion (26.4% vs 13.46%), with no safety concerns.
Methods Used
Phase I: randomized, open-label, crossover pharmacokinetic study in 10 men; Phase II: randomized, double-blind, parallel-arm trial in 52 active men (18–40 years) receiving 3 g/day of either KleanCREATINE™ or standard creatine for 8 weeks while continuing resistance training. Outcomes included body composition, strength, endurance, hypertrophy, and perceived exertion.
Main Finding
KleanCREATINE™ demonstrated superior efficacy over standard creatine monohydrate: 14.45% greater reduction in body fat, 10.46% greater increase in skeletal muscle, 60% vs 49% greater chest press strength gain, 12.65% vs 6.65% greater arm circumference increase, and 26.4% vs 13.46% greater reduction in perceived exertion, alongside 160–175% higher bioavailability and faster absorption.
Confidence Level
High — randomized, double-blind, controlled design with pre-registered protocol, adequate sample size (n=52), reported effect sizes, and statistical significance for primary outcomes.
Study Flags
Red Flags
- •Small Phase I sample (n=10)
- •Only male participants (no gender diversity)
- •No measurement of intramuscular creatine or biochemical markers
Surprising Findings
KleanCREATINE™ improved upper body strength (chest press) significantly more than lower body (leg press), despite both muscles receiving the same supplement dose.
Most creatine studies show equal gains in upper and lower body strength—this suggests formulation differences might affect muscle groups differently, which has never been documented before.
Practical Takeaways
Switch from generic creatine to a micronized, USP-grade formula like KleanCREATINE™ if you’re serious about maximizing muscle gain, fat loss, and workout recovery.
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 575 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
Human RCT
Subject
High probability
on the GRADE evidence scale
This study gave two different kinds of creatine to two groups of guys who lift weights and saw which one helped them get stronger and leaner. Because they didn't know which one they got, we can say the better results probably happened because of the supplement, not luck.
Major conflicts — industry funding with significant control over the research. Reporting score and overall score cap have been reduced.
Strengths
- Randomized and double-blinded design in Phase II
- Use of a control group
- Clear pharmacokinetic and efficacy endpoints
Weaknesses
- Small sample size
- Limited to healthy, active men only
- No measurement of intramuscular creatine or biochemical markers
Methodology
Evidence Keywords
Statistical Reporting
Scoring
How strong is this study?
This study was well-designed because it randomly gave out the supplements and kept everyone blind to which one they got—like a fair test. That makes us trust the results more. But since only 52 guys were in it and they were all young and active, we can't be sure it works the same for everyone else.
40 / 100
- COI disclosure+40/40
- Data availabilitydata not shared
- Code availabilitycode not shared
81 / 100
- Randomization+20/20
- Blinding+15/15
- Control group+15/15
- Sample size (n=52)+4.6/20
- Follow-up+10/10
100 / 100
77 / 100
- P-values+15/15
- Effect size+20/20
- Confidence intervalsno confidence intervals
- Pre-registration+15/15
Each component is scored out of 100 and then capped by the study design — a case series cannot reach the ceiling a randomised trial can, however well it is reported.
Where it sits
RCT reviewsReviews of RCTs (Meta-analyses)
Max 100Randomized TrialsRandomized Trials
Max 90Reviews of Cohort StudiesReviews of Cohort Studies
Max 85Cohort StudiesCohort Studies
Max 72Reviews of Case-Control StudiesReviews of Case-Control Studies
Max 63Case-Control StudiesCase-Control Studies
Max 58Cross-Sectional & Case SeriesCross-Sectional & Case Series
Max 50Expert OpinionExpert Opinion
Max 575 / 100
Probability of being correct
Participants are randomly assigned to treatment or control groups, minimizing bias. The gold standard for testing whether an intervention causes an effect.
This design can establish causation. This is a randomized, double-blind, controlled trial with a control group, which allows for causal inference by minimizing confounding and bias. However, the sample size is modest (n=52), and the study population is limited to active men, which may restrict the strength of causal claims to broader populations.
Major COI
Major conflicts that significantly reduce study credibility
The study evaluates KleanCREATINE™, a branded creatine product, with no disclosed funding source, but the product name and proprietary formulation suggest industry sponsorship. The authors' affiliations and the focus on demonstrating superior efficacy of a branded product raise significant conflict concerns.
Funders
Conflict Details
KleanCREATINE™: Study evaluates proprietary branded creatine product with no disclosed funding source; product is likely sponsored by its manufacturer.
The study uses a proprietary product name (KleanCREATINE™) without disclosing its manufacturer or funding source. The results show significantly improved outcomes for the branded product compared to a generic 'marketed formulation,' which is unusually favorable and lacks transparency. No conflict of interest statement is present. The study design and outcomes strongly suggest industry sponsorship with potential bias in outcome reporting.