Disclosure: We earn commissions on purchases made through our links. This never influences our scores. Editorial policy
Creatine Monohydrate: Scored and Compared (2026)
Last reviewed: 2025-03-01 | 10 products scored | Clinical dose: 3-5g daily (loading phase optional: 20g/day for 5-7 days) | Prices checked: 2025-03-01
The Bottom Line
Creatine monohydrate is the most extensively studied sports supplement in history, with over 500 peer-reviewed studies. It increases phosphocreatine stores in muscle, allowing faster regeneration of ATP during high-intensity exercise. Our top pick is Micronized Creatine Monohydrate Powder (Grade: A, $0.33/day).
Quick Picks
What Is Creatine Monohydrate?
Creatine monohydrate is the most extensively studied sports supplement in history, with over 500 peer-reviewed studies. It increases phosphocreatine stores in muscle, allowing faster regeneration of ATP during high-intensity exercise. The International Society of Sports Nutrition (ISSN) published a position stand in 2017 concluding that creatine monohydrate is the most effective ergogenic nutritional supplement currently available for increasing high-intensity exercise capacity and lean body mass during training. A landmark meta-analysis by Rawson & Volek (2003) analyzing 22 studies found that creatine supplementation increased maximum strength by an average of 8% and repetition performance by 14% compared to placebo. A more recent meta-analysis by Lanhers et al. (2017) covering 53 RCTs confirmed significant improvements in upper body strength (+5.3%) and lower body strength performance. For lean mass, Branch (2003) conducted a meta-analysis of 100 studies and found a mean increase of 0.36% body mass per week during creatine supplementation with resistance training, with effects most pronounced in the first few weeks. Beyond performance, emerging cognitive research is promising. Avgerinos et al. (2018) performed a systematic review and meta-analysis of 6 RCTs examining creatine's effects on cognition, finding significant improvements in short-term memory and reasoning, particularly under conditions of stress or sleep deprivation. The cognitive benefits appear most consistent in vegetarians and vegans who have lower baseline creatine stores. Safety data is extensive. Kreider et al. (2017) reviewed long-term safety data and concluded that creatine monohydrate supplementation at recommended doses is safe in healthy populations, with no credible evidence of kidney damage, dehydration risk, or muscle cramping in healthy individuals. The monohydrate form remains the gold standard. A systematic review by Jager et al. (2011) found no alternative form (HCl, ethyl ester, buffered, etc.) has demonstrated superiority to monohydrate in peer-reviewed research. Creatine ethyl ester was shown to be inferior, degrading to creatinine more rapidly.
Does It Work? The Evidence
| Claimed Benefit | Evidence Level | Key Studies | Our Verdict |
|---|---|---|---|
| Increases strength and power output | Strong | Lanhers et al. 2017 meta-analysis of 53 RCTs: +5.3% upper body, significant lower body gains; Rawson & Volek 2003: +8% max strength, +14% reps | Works |
| Increases lean body mass | Strong | Branch 2003 meta-analysis of 100 studies: +0.36% body mass/week with resistance training; ISSN 2017 position stand confirms | Works |
| Improves high-intensity exercise performance | Strong | ISSN 2017 position stand (Kreider et al.): most effective ergogenic supplement; consistent across sprint, resistance, and power tasks | Works |
| Supports cognitive function under stress | Moderate | Avgerinos et al. 2018 systematic review of 6 RCTs: significant improvements in short-term memory and reasoning under sleep deprivation/stress | Promising |
| Long-term safety | Strong | Kreider et al. 2017: decades of safety data show no kidney damage, dehydration, or cramping risk at 3-5g/day in healthy populations | Works |
| Alternative forms (HCl, buffered, ethyl ester) are superior | Weak | Jager et al. 2011 systematic review: no alternative form demonstrated superiority; creatine ethyl ester degrades to creatinine faster | Ineffective |
How to Choose: Forms, Doses & What Matters
Clinical dose: 3-5g daily (loading phase optional: 20g/day for 5-7 days)
Best forms: creatine monohydrate (gold standard), micronized creatine monohydrate, Creapure (highest purity grade)
Take 3-5g of creatine monohydrate daily, at any time of day. Consistency matters more than timing. It can be mixed into water, juice, or a protein shake. Taking it with a meal or carbohydrate source may slightly improve uptake via insulin-mediated transport. No cycling is necessary. A loading phase (20g/day split into 4 doses for 5-7 days) is optional and only speeds up initial muscle saturation - taking 3-5g daily will achieve the same saturation in about 3-4 weeks.
The Scorecard: 10 Products Compared
Micronized Creatine Monohydrate Powder
Optimum NutritionOne of the best-selling creatine supplements globally, Creapure sourced with third-party testing
Standard creatine monohydrate - supported by the full 500+ study evidence base
Informed Choice certified, Creapure source, GMP facility
$0.33/day at 5g dose - excellent value for a Creapure product with third-party certification
Single ingredient, no fillers, Creapure source clearly labeled on packaging
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Creatine (Creapure)
ThorneCreapure is manufactured in Germany by AlzChem and is considered the purest creatine source available
Standard creatine monohydrate with the full evidence base behind it
NSF Certified for Sport, uses Creapure (German-manufactured, highest purity grade available)
$0.87/day at 5g dose - premium pricing justified by NSF certification and Creapure
Single ingredient, full disclosure, NSF certification displayed prominently
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Creatine Monohydrate Powder
NutricostExceptional value if third-party testing is not a priority for you
Standard creatine monohydrate with full evidence support
GMP certified facility, no third-party sport certification, no Creapure branding
$0.13/day at 5g dose - among the lowest cost creatine products available
Single ingredient, full disclosure, no proprietary blends
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Sports Creatine Monohydrate Powder
NOW Sports
Strong value with Informed Sport certification from a trusted brand
Standard creatine monohydrate with full evidence support
Informed Sport certified, GMP facility, NOW is a well-established brand with NPA A-rating
$0.19/day at 5g dose - excellent value with Informed Sport certification
Single ingredient, full disclosure, Informed Sport logo displayed on packaging
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Naked Creatine
Naked Nutrition
Popular for its minimalist single-ingredient approach and clean label
Standard creatine monohydrate with full evidence support
Third-party tested for heavy metals and purity, vegan certified, no Creapure
$0.22/day at 5g dose - good value for a tested product
Single ingredient (creatine monohydrate), no additives, no artificial sweeteners
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Klean Creatine
Klean Athlete
Designed for tested athletes - NSF Certified for Sport is the gold standard for anti-doping compliance
Standard creatine monohydrate (Creapure) with full evidence support
NSF Certified for Sport, Creapure source - highest certification tier available
$0.93/day at 5g dose - premium pricing for NSF + Creapure combination
Single ingredient, full disclosure, NSF certification displayed prominently
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Creatine Monohydrate
Momentous
Popular via Huberman Lab podcast endorsement, used by NFL and other professional sports teams
Standard creatine monohydrate (Creapure) with full evidence support
NSF Certified for Sport, Creapure source, used by professional sports teams
$1.17/day at 5g dose - premium pricing, reflects NSF cert and Creapure plus brand positioning
Single ingredient, full disclosure, prominent NSF certification on packaging
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Creatine Monohydrate Powder
BulkSupplements
Sold in bulk sizes up to 25kg for maximum economy
Standard creatine monohydrate with full evidence support
GMP facility, in-house testing documented but no independent third-party sport certification
$0.10/day at 5g dose - one of the cheapest per serving options on the market
Single ingredient, full disclosure, but bulk packaging can make dosing less precise without a scale
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
StrengthSeries Creatine HMB
Transparent Labs
Good product but the premium price is hard to justify when plain creatine monohydrate is so cheap
Contains 5g creatine monohydrate + 1.5g HMB + vitamin D - evidence supports the creatine; HMB evidence is moderate
Third-party tested, Informed Sport certified, GMP facility
$1.33/day - significantly more expensive due to added HMB and vitamin D
Full ingredient disclosure with exact amounts of every ingredient - lives up to the brand name
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Cell-Tech Creatine
MuscleTech
A legacy product that is outperformed on value and transparency by nearly every plain creatine monohydrate on the market
Contains creatine monohydrate but in a complex formula with many added ingredients
GMP facility, no independent sport certification for this specific product
$1.67/day - very expensive for creatine due to added ingredients and proprietary blend components
Uses proprietary blends, difficult to determine exact creatine amount per serving despite label claims
Prices checked 2025-03-01. Cost shown is per clinically effective daily dose, not per pill.
Full Comparison
| Category | Micronized Creatine Monohydrate Powder Optimum Nutrition | Creatine (Creapure) Thorne | Creatine Monohydrate Powder Nutricost | Sports Creatine Monohydrate Powder NOW Sports | Naked Creatine Naked Nutrition | Klean Creatine Klean Athlete | Creatine Monohydrate Momentous | Creatine Monohydrate Powder BulkSupplements | StrengthSeries Creatine HMB Transparent Labs | Cell-Tech Creatine MuscleTech |
|---|---|---|---|---|---|---|---|---|---|---|
| Overall | A | A | A- | A- | A- | A- | A- | B+ | B | C |
| Evidence | A | A | A | A | A | A | A | A | A | A |
| Quality & Purity | B+ | A | C | B+ | B | A | A | C | B | C |
| Value | A | B | A+ | A | A | C | C | A+ | C | D |
| Transparency | A | A | A | A | A | A | A | B | A | D |
| Cost/Day | $0.33 | $0.87 | $0.13 | $0.19 | $0.22 | $0.93 | $1.17 | $0.10Winner | $1.33 | $1.67 |
| Dose/Serving | 5000mg | 5000mg | 5000mg | 5000mg | 5000mg | 5000mg | 5000mg | 5000mg | 5000mg | 5000mg |
| Form | Micronized Creatine Monohydrate (Creapure) | Micronized Creatine Monohydrate (Creapure) | Micronized Creatine Monohydrate | Creatine Monohydrate | Micronized Creatine Monohydrate | Creatine Monohydrate (Creapure) | Creatine Monohydrate (Creapure) | Creatine Monohydrate | Creatine Monohydrate + HMB + Vitamin D + BioPerine | Creatine Monohydrate + proprietary blend of added aminos and carbs |
| Third-Party Tested | ✓ Yes | ✓ Yes | No | ✓ Yes | ✓ Yes | ✓ Yes | ✓ Yes | No | ✓ Yes | No |
| Proprietary Blend | No | No | No | No | No | No | No | No | No | Yes |
Who Should Take Creatine Monohydrate?
Individuals engaged in resistance training or high-intensity exercise. Athletes looking to increase strength, power, and lean mass. Vegetarians and vegans (who have lower baseline creatine stores from diet). Older adults looking to maintain muscle mass and strength. People seeking cognitive support under stress or sleep deprivation (emerging evidence).
Who Should Avoid It?
People with pre-existing kidney disease should consult their doctor first, as the kidneys are responsible for excreting creatine metabolites. Those taking nephrotoxic medications should also consult a physician. Individuals who experience persistent GI distress even at 3g/day doses may want to try micronized forms or split dosing before discontinuing.
Side Effects & Safety
Weight gain of 1-3 lbs from intramuscular water retention is common, expected, and not fat gain. GI discomfort can occur if taking large single doses - reduce dose or split across the day. Creatine elevates creatinine on blood tests, which is not indicative of kidney damage but should be communicated to your doctor. Loading doses (20g/day) are more likely to cause GI issues than standard 3-5g/day dosing.
Frequently Asked Questions
Do I need to do a loading phase with creatine?
No. A loading phase (20g/day for 5-7 days) saturates muscle creatine stores faster, but taking 3-5g daily will achieve the same saturation in about 3-4 weeks. Loading can cause GI discomfort in some people, so a standard daily dose is fine.
Does creatine cause hair loss?
This concern comes from a single 2009 study (van der Merwe) that found increased DHT levels in rugby players using creatine. No subsequent study has replicated this finding, and no study has directly measured hair loss with creatine supplementation. The current evidence does not support this claim.
Is creatine safe for your kidneys?
In healthy individuals, yes. Decades of research including long-term studies (up to 5 years) show no adverse effects on kidney function at recommended doses. Creatine does raise creatinine levels (a kidney biomarker), which can be mistaken for kidney dysfunction on blood tests. Inform your doctor if you supplement creatine.
Is creatine HCl better than creatine monohydrate?
No evidence supports this. Creatine HCl is more water-soluble, which may reduce bloating in some people, but no peer-reviewed study has shown it is more effective for performance or muscle gains than monohydrate. You would be paying more for an unproven advantage.
Should I cycle creatine?
There is no evidence that cycling creatine (taking breaks) provides any benefit. The body does not develop tolerance to creatine. Consistent daily supplementation maintains saturated muscle stores. Just take 3-5g every day.
Does creatine cause water retention and bloating?
Creatine draws water into muscle cells, which can cause 1-3 pounds of water weight gain in the first week, especially during a loading phase. This is intramuscular water retention (making muscles look fuller), not subcutaneous bloating. Most people do not experience noticeable bloating at a standard 3-5g/day dose.
Related Supplements
Sources
- Kreider RB, et al. International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine. J Int Soc Sports Nutr. 2017;14:18.
- Rawson ES, Volek JS. Effects of creatine supplementation and resistance training on muscle strength and weightlifting performance. J Strength Cond Res. 2003;17(4):822-31.
- Lanhers C, et al. Creatine supplementation and upper limb strength performance: A systematic review and meta-analysis. Sports Med. 2017;47(1):163-73.
- Branch JD. Effect of creatine supplementation on body composition and performance: a meta-analysis. Int J Sport Nutr Exerc Metab. 2003;13(2):198-226.
- Avgerinos KI, et al. Effects of creatine supplementation on cognitive function of healthy individuals: A systematic review of randomized controlled trials. Exp Gerontol. 2018;108:166-73.
- Jager R, et al. Analysis of the efficacy, safety, and regulatory status of novel forms of creatine. Amino Acids. 2011;40(5):1369-83.
- NIH Office of Dietary Supplements. Dietary Supplements for Exercise and Athletic Performance - Fact Sheet for Health Professionals. Updated 2022.
- van der Merwe J, et al. Three weeks of creatine monohydrate supplementation affects dihydrotestosterone to testosterone ratio in college-aged rugby players. Clin J Sport Med. 2009;19(5):399-404.
FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products discussed on this page are not intended to diagnose, treat, cure, or prevent any disease. Always consult with a qualified healthcare professional before starting any supplement regimen.