Creatine
Performance5 forms compared ↓
Also known as: Cr, Creapure, Creatine, Creatine monohydrate, Creatine HCl
A
Grade A💊 3-5 g daily🎯 10 primary uses🔗 2 synergies⚠️ Review warnings
Levels upFitness+50 pts
Overview
Most studied performance supplement. Enhances strength, power, muscle mass, and emerging cognitive benefits.
Primary Uses
StrengthPower outputMuscle massCognitive functionDepression supportEnergyCognitionMusclePowerSolubility
Frequently Asked About Creatine
How much Creatine should I take?
The typical effective range is 5 g daily. Individual needs vary based on age, body weight, diet, and goals — start at the lower end and adjust based on response. Always consult a healthcare provider before starting a new supplement.
When is the best time to take Creatine?
Any time, consistency matters. Consistency matters more than perfect timing — pick a daily anchor (e.g. with breakfast or before bed) and stick with it.
Should I take Creatine with food?
Slightly better with carbs.
What is the best form of Creatine?
Creatine Monohydrate is generally the best-absorbed form (Original, most studied form). Cheaper forms exist but often deliver less usable Creatine per dose.
Does Creatine interact with medications?
Yes — known interactions include None significant. If you take any prescription medication, talk to your doctor or pharmacist before starting Creatine.
What does Creatine pair well with?
Creatine stacks well with Beta-alanine and Carbs post-workout — these combinations either improve absorption or work synergistically toward common goals.
Who should not take Creatine?
Creatine should be avoided or used with caution by people with None. Pregnant or breastfeeding women should consult a healthcare provider before use.
Compare Forms
5 formsDifferent chemical forms vary in absorption, side effects, and best use cases. Higher bioavailability scores indicate better absorption.
Creatine Monohydrate
HIGH 100Original, most studied form
Best for:Muscle buildingAthletic performanceCognitive function
💡 Excellent. 99%+ absorbed. Gold standard.
✅ Pros
- • Most researched
- • Most effective
- • Cheapest
- • Safe long-term
⚠️ Cons
- • May cause water retention initially
- • Micronized version dissolves better
📝 Best form - no need for fancy versions. Creapure is purest.
Micronized Creatine Monohydrate
HIGH 100Finely ground creatine monohydrate
Best for:Same as monohydrateBetter mixing
💡 Excellent. Same as regular, just dissolves better.
✅ Pros
- • Dissolves better
- • Same effectiveness
- • Less gritty
⚠️ Cons
- • Slightly more expensive
📝 Same as monohydrate, just easier to mix
Creatine HCl
HIGH 85Creatine bound to hydrochloric acid
Best for:Those with GI sensitivityLower doses
💡 Good. More soluble, may need smaller doses.
✅ Pros
- • Very soluble
- • Less bloating claims
- • Smaller doses
⚠️ Cons
- • Less research
- • More expensive
- • May not be more effective
📝 Marketing claims often exceed evidence
Buffered Creatine (Kre-Alkalyn)
GOOD 80pH-buffered creatine
Best for:Those who want buffered version
💡 Good. Claims of better stability not proven.
✅ Pros
- • pH buffered
- • Less bloating claims
⚠️ Cons
- • More expensive
- • No proven advantage over monohydrate
📝 Research shows no advantage over monohydrate
Creatine Ethyl Ester
GOOD 60Creatine with ethyl ester attached
Best for:Not recommended
💡 Poor. Converts to creatinine before absorption.
✅ Pros
- • None proven
⚠️ Cons
- • Converts to inactive creatinine
- • Less effective
- • More expensive
📝 Avoid - research shows it's less effective than monohydrate
Dosage
Typical range
3-5 g daily
Timing
Any time, consistency matters
With food
Slightly better with carbs
Dose Tiers
Moderate
3-5 g daily
Optimal
5 g daily
Therapeutic
20 g/day for 5-7 days, then 5 g
Upper Limit
No established UL
Duration
Safe long-term
Special Populations
Athletes, vegetarians, cognitive support
Research & Studies
Landmark clinical studies on Creatine. Each title links to a plain-English breakdown — what the study shows, what its limitations are, and how to read around them.
- International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicineKreider RB, Kalman DS, Antonio J, et al. · 2017 · Journal of the International Society of Sports NutritionPosition standPubMed ↗
Reviews 500+ studies and concludes creatine monohydrate is the most effective ergogenic nutritional supplement for high-intensity exercise and lean body mass, with an excellent safety profile across populations.
- Effects of creatine supplementation and resistance training on muscle strength and weightlifting performance
Meta-analysis of 22 trials showing creatine + resistance training increased 1RM bench press by ~6.85kg and squat by ~9.76kg vs placebo + training.
- Creatine supplementation with specific view to exercise/sports performance: an updateCooper R, Naclerio F, Allgrove J, Jimenez A · 2012 · Journal of the International Society of Sports NutritionReview
Updates evidence on creatine loading (20g/day × 5–7 days then 3–5g/day maintenance) vs low-dose slow-load protocols, confirming comparable saturation by ~28 days.
Browse all curated studies →
Mechanism of Action
- • Regenerates ATP for high-intensity exercise
- • Increases muscle cell hydration
- • May support brain ATP
Evidence Quality
Evidence Grade A
Extensively researched, proven effective
Safety & Contraindications
Serious Warnings
- • None at normal doses
Contraindications
- • None
Common Side Effects
- • Water retention initially
- • Rarely GI upset
Pregnancy & Breastfeeding
Consult healthcare provider
Liver & Kidney Notes
Safe in healthy kidneys; don't use in kidney disease
Interactions
💊 Medications
- • None significant
🧪 Supplements
- • Works with carbs for uptake
🍽️ Food & Alcohol
- • Caffeine doesn't negate benefits
Stacking & Synergies
Pairs Well With
Beta-alanine ↗Carbs post-workout
Avoid Combining With
None
Best Goal Synergies
StrengthMuscleBrain
Buying Guide
What to Look For
- • Monohydrate form
- • Third-party tested
Standardization Markers
Creapure brand premiumPurity
Adulteration risk
Low
Practical Notes
- • Loading unnecessary - just 3-5g daily
- • Most studied sports supplement
- • May enhance SSRIs
- • Particularly helpful in women
- • Monohydrate still gold standard
- • More expensive, less proven
Tags
performancemusclestrengthcognitivemooddepressionenergybrainsolubility
Top Products with Creatine
Highest-scored catalog products containing Creatine, ranked by our scoring engine.
CreatineThorne98
Creatine - StrawberryThorne98
Creatine - Travel PacksThorne98
Creatine + Alpha GPCThorne97
Related Guides
In-depth guides covering Creatine — protocols, comparisons, and use cases.
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More in Performance
Other ingredients in the Performance category.
Agmatine Sulfate
Arginine metabolite with nitric oxide and pain-modulating effects. Enhances pumps.
Arachidonic Acid (ARA)
Omega-6 fatty acid that amplifies exercise-induced muscle signaling. Increases training response but also inflammation.
BCAAs
A branched-chain amino acid blend in a 2:1:1 leucine-to-isoleucine-to-valine ratio, formulated in instantized (micronized) form for improved solubility. BCAAs support muscle protein synthesis and may reduce exercise-induced fatigue, though whole protein sources provide comparable benefits at lower cost.
Beetroot / Nitrates
Dietary nitrates converted to nitric oxide for improved endurance and blood flow. Can enhance exercise efficiency.
Beta-Alanine
Increases muscle carnosine for buffering acid during high-intensity exercise. Delays fatigue in 1-4 minute efforts.
Beta-Hydroxybutyrate (BHB)
Exogenous ketone body that can elevate blood ketone levels. Used for energy, cognitive function, and supporting ketogenic diets.
Last reviewed: September 2026 by the Formulate Research Team. Sources cited above; methodology and scoring criteria published here.
Cite this page
Formulate Research Team. (2026, September). Creatine — Evidence-Based Supplement Guide. Formulate Supplement Encyclopedia. https://app.formulate-health.app/learning/supplements/creatine
Educational content based on published research and our scoring methodology. Not medical advice — consult a qualified healthcare provider before starting, stopping, or changing supplements, especially if you take medications, are pregnant, or have a medical condition.