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Creatine pour Mental Fatigue

B Preuves Au moins un essai randomisé le soutient, avec des résultats globalement concordants.

A systematic review found moderate certainty evidence for positive effects on memory and processing speed. Single-dose supplementation improved cognitive performance during sleep deprivation through ATP replenishment.

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B

En conclusion

A systematic review found moderate certainty evidence for positive effects on memory and processing speed. Single-dose supplementation improved cognitive performance during sleep deprivation through ATP replenishment.

Key Study Findings

Review
Creatine Supplementation and the Brain: Have We Put the Cart Before the Horse?
Dose: None vs: None Outcome: None Effet: None None

Population: narrative review of creatine supplementation effects on brain function

Other 24 weeks
Analysis of Incidence and Clinical Characteristics of RSV Infection in Hospitalized Children: A Retrospective Study.
Dose: 71.9% vs: None Outcome: None Effet: None None

Population: rsv infection from january 2019 to december 2020

Randomized Controlled Trial Double-blind
Can Creatine Combat the Mental Fatigue-associated Decrease in Visuomotor Skills?
Dose: 20 g vs: placebo Outcome: throughout the protocol Effet: None P = 0.022

Population: healthy participants

Review
Beyond sports: Efficacy and safety of creatine supplementation in pathological or paraphysiological conditions of brain …
Dose: 20 g/d vs: Placebo Outcome: None Effet: None None

Population: elderly

Cohort Study n=480
Decrease in Serum Vitamin D Level of Older Patients with Fatigue.
Dose: None vs: Control Outcome: Cognitive function Effet: None p=0.05

Population: patients with fatigue and 240 controls without fatigue,

Systematic Review n=281
Effects of creatine supplementation on cognitive function of healthy individuals: A systematic review of randomized …
Dose: None vs: None Outcome: Cognitive function (memory, intelligence/reasoning) Effet: None None

Population: Healthy individuals

Key Statistics

8

Études

600

Participants

Positive

B

Note

Referenced Papers

Nutrition (Burbank, Los … 2009 85 citations
Pharmacology, biochemistry, and … 1998 60 citations

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Posologies couramment utilisées

general:
3-5 g/day creatine monohydrate
cognitivesupport:
5 g/day

Limite supérieure : 5 g/day considered safe for long-term use (ISSN position)

Posologies étudiées dans la recherche

Posologie Durée Effet N
None -- Mixed --
71.9% 24 weeks Positive --
20 g -- Positive --
20 g/d -- Positive --
None -- Mixed 480
None -- Positive 281
None -- Positive 16
None -- Positive --

Moment optimal de prise : Any time of day; with or without food

Safety & Side Effects

Effets indésirables signalés

  • Water retention
  • Mild gastrointestinal discomfort
  • Weight gain (water weight)
  • Muscle cramping (rare, dose-dependent)

Interactions connues

  • Nephrotoxic drugs (monitor kidney function with concurrent use)
  • Caffeine (may partially attenuate creatine loading, debated)
  • NSAIDs (theoretical additive kidney stress at high doses)

Apport maximal tolérable : 5 g/day considered safe for long-term use (ISSN position)

Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.

Frequently Asked Questions

Does Creatine help with Mental Fatigue?
Based on 8 studies with 600 participants, there is moderate evidence from clinical studies that Creatine may support Mental Fatigue management. Our evidence grade is B (Good Evidence).
How much Creatine should I take for Mental Fatigue?
Studies have used various dosages. A commonly studied range is 3-5 g/day creatine monohydrate. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Creatine?
Reported side effects may include Water retention, Mild gastrointestinal discomfort, Weight gain (water weight), Muscle cramping (rare, dose-dependent). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Creatine and Mental Fatigue?
We rate the evidence as Grade B (Good Evidence). This rating is based on 8 peer-reviewed studies with 600 total participants. The overall direction of effect is positive.

Autres ingrédients pour Mental Fatigue

References

  1. [1] Darren G Candow et al.. J Diet Suppl. 2026. Creatine Supplementation and the Brain: Have We Put the Cart Before the Horse? doi:10.1080/19390211.2026.2616440 PubMed
  2. [2] Ling Gong et al.. Risk Manag Healthc Policy. 2021. Analysis of Incidence and Clinical Characteristics of RSV Infection in Hospitalized Children: A Retrospective Study. doi:10.2147/RMHP.S305370 PubMed
  3. [3] Jeroen VAN Cutsem et al.. Med Sci Sports Exerc. 2020. Can Creatine Combat the Mental Fatigue-associated Decrease in Visuomotor Skills? doi:10.1249/MSS.0000000000002122 PubMed
  4. [4] Maurizio Balestrino et al.. Med Res Rev. 2019. Beyond sports: Efficacy and safety of creatine supplementation in pathological or paraphysiological conditions of brain and muscle. doi:10.1002/med.21590 PubMed
  5. [5] Manuela Pennisi et al.. Nutrients. 2019. Decrease in Serum Vitamin D Level of Older Patients with Fatigue. doi:10.3390/nu11102531 PubMed
  6. [6] Konstantinos I Avgerinos et al.. Exp Gerontol. 2018. Effects of creatine supplementation on cognitive function of healthy individuals: A systematic review of randomized controlled trials. doi:10.1016/j.exger.2018.04.013 PubMed
  7. [7] Michael J Saunders et al.. Nutrients. 2018. Protein Supplementation During or Following a Marathon Run Influences Post-Exercise Recovery. doi:10.3390/nu10030333 PubMed
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  12. [12] Ruud C W Vermeulen et al.. J Transl Med. 2010. Patients with chronic fatigue syndrome performed worse than controls in a controlled repeated exercise study despite a normal oxidative phosphorylation … doi:10.1186/1479-5876-8-93 PubMed
  13. [13] Satoshi Nozaki et al.. Nutrition. 2009. Mental and physical fatigue-related biochemical alterations. doi:10.1016/j.nut.2008.07.010 PubMed
  14. [14] Takashi Umeda et al.. J Sports Sci. 2008. Effects of intense exercise on the physiological and mental condition of female university judoists during a training camp. doi:10.1080/02640410801885917 PubMed
  15. [15] Airi Watanabe et al.. Neurosci Res. 2002. Effects of creatine on mental fatigue and cerebral hemoglobin oxygenation. doi:10.1016/s0168-0102(02)00007-x PubMed
  16. [16] T Kato et al.. Neuropsychobiology. 1999. Relationship of energy metabolism detected by 31P-MRS in the human brain with mental fatigue. doi:10.1159/000026587 PubMed
  17. [17] C Tsopanakis et al.. Pharmacol Biochem Behav. 1998. Stress hormonal factors, fatigue, and antioxidant responses to prolonged speed driving. doi:10.1016/s0091-3057(98)00037-9 PubMed
  18. [18] J Decety et al.. J Physiol. 1993. Central activation of autonomic effectors during mental simulation of motor actions in man. doi:10.1113/jphysiol.1993.sp019528 PubMed

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