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L-Carnitine 用于 Exercise Performance for Weight Loss

C

A 9-month RCT found L-carnitine with aerobic training improved fat oxidation beyond exercise alone. A 24-week loading period is needed for muscle carnitine accumulation. Taking L-carnitine with carbohydrates enhances insulin-mediated muscle uptake.

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            C

        

        

            
结论

            
            
A 9-month RCT found L-carnitine with aerobic training improved fat oxidation beyond exercise alone. A 24-week loading period is needed for muscle carnitine accumulation. Taking L-carnitine with carbohydrates enhances insulin-mediated muscle uptake.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
8

        
研究数量

    

    

        
400

        
受试者

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
等级

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
常用剂量

                

                    
                    

                        
general:

                        
500-2,000 mg/day

                    

                    
                    

                        
weightmanagement:

                        
2,000-3,000 mg/day L-carnitine L-tartrate

                    

                    
                    

                        
exerciseperformance:

                        
2,000 mg/day

                    

                    
                

                
                

                    上限： 3,000 mg/day; higher doses may cause fishy body odor, nausea, diarrhea
                

                
            

            

            

            
            

                最佳服用时间： With carbohydrate-containing meals (insulin enhances muscle uptake); or pre-exercise
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
已报告的副作用

                    
    
                        
                        
  • 
                            ⚠
                            Fishy body odor
                        
    • 
                        
                        
  • 
                            ⚠
                            Nausea
                        
    • 
                        
                        
  • 
                            ⚠
                            Diarrhea
                        
    • 
                        
                        
  • 
                            ⚠
                            Abdominal cramps
                        
    • 
                        
                    

                

                

                
                

                    
已知相互作用

                    
    
                        
                        
  • 
                            ●
                            Thyroid hormones (may reduce effectiveness)
                        
    • 
                        
                        
  • 
                            ●
                            Anticoagulants (may enhance effect)
                        
    • 
                        
                        
  • 
                            ●
                            Acenocoumarol
                        
    • 
                        
                    

                

                

                
                

                    

                        可耐受最高摄入量： 3,000 mg/day; higher doses may cause fishy body odor, nausea, diarrhea
                    

                

                
            

            

                在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does L-Carnitine help with Exercise Performance for Weight Loss?
            
        
        

            Based on 8 studies with 400 participants, there is limited but promising evidence that L-Carnitine may support Exercise Performance for Weight Loss management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much L-Carnitine should I take for Exercise Performance for Weight Loss?
            
        
        

            Studies have used various dosages. A commonly studied range is 500-2,000 mg/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of L-Carnitine?
            
        
        

            Reported side effects may include Fishy body odor, Nausea, Diarrhea, Abdominal cramps. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for L-Carnitine and Exercise Performance for Weight Loss?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 8 peer-reviewed studies with 400 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
其他成分用于 Exercise Performance for Weight Loss

                    

                        
                        
                            Caffeine
                            A

                        
                        
                        
                            Ashwagandha
                            B

                        
                        
                        
                            Iron
                            C

                        
                        
                        
                            Green Tea Extract (EGCG)
                            C

                        
                        
                    

                

                

                
                

                    
L-Carnitine 用于其他健康状况

                    

                        
                        
                            Fat Oxidation Enhancement
                            B

                        
                        
                    

                

                
            

        

        

    


    
    












    

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