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Creatine for Sleep-Related Cognitive Impairment

C

A single-dose study showed creatine improved cognitive performance during sleep deprivation through enhanced brain ATP availability, supporting cognitive function under sleep-restricted conditions.

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            C

        

        

            
The Bottom Line

            
            
A single-dose study showed creatine improved cognitive performance during sleep deprivation through enhanced brain ATP availability, supporting cognitive function under sleep-restricted conditions.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Systematic Review
                
                
                
                
            

            
                Are Dietary Supplements and Nutraceuticals Effective for Musculoskeletal Health and Cognitive Function? A Scoping Review.
            
            

                
                Dose: None
                
                
                vs: None
                
                
                Outcome: Bone, muscle, and cognitive health in elderly
                
                
                Effect: None
                
                
                None
                
            

            
            
Population: Older adults

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
4

        
Studies

    

    

        
250

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
Grade

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Are Dietary Supplements and Nutraceuticals Effective for Musculoskeletal Health and Cognitive Function? A Scoping Review.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        The journal of …
                        2017
                        
                        75 citations
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
3-5 g/day creatine monohydrate

                    

                    
                    

                        
cognitivesupport:

                        
5 g/day

                    

                    
                

                
                

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

                
            

            

            
            

                
Dosages Studied in Research

                

                    

                        
                            

                                Dosage
                                Duration
                                Effect
                                N
                            

                        
                        
                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Best taken: Any time of day; with or without food
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

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

                

                

                
                

                    
Known Interactions

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

                

                

                
                

                    

                        Tolerable upper intake: 5 g/day considered safe for long-term use (ISSN position)
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Creatine help with Sleep-Related Cognitive Impairment?
            
        
        

            Based on 4 studies with 250 participants, there is limited but promising evidence that Creatine may support Sleep-Related Cognitive Impairment management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Creatine should I take for Sleep-Related Cognitive Impairment?
            
        
        

            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 Sleep-Related Cognitive Impairment?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 4 peer-reviewed studies with 250 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
Other ingredients for Sleep-Related Cognitive Impairment

                    

                        
                        
                            Melatonin
                            C

                        
                        
                        
                            Ashwagandha
                            C

                        
                        
                        
                            L-Theanine
                            C

                        
                        
                        
                            Magnesium L-Threonate
                            C

                        
                        
                    

                

                

                
                

                    
Creatine for other conditions

                    

                        
                        
                            Mental Fatigue
                            B

                        
                        
                        
                            Memory Loss
                            C

                        
                        
                    

                

                
            

        

        

    


    
    












    

        FDA Disclaimer:
        These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.