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Green Tea Extract (EGCG) pour Exercise Performance for Weight Loss

C

EGCG plus caffeine may enhance exercise-induced fat oxidation. A 12-week study found green tea extract combined with exercise increased fat oxidation more than exercise alone. Benefits are partly attributable to caffeine content.

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En conclusion

            
            
EGCG plus caffeine may enhance exercise-induced fat oxidation. A 12-week study found green tea extract combined with exercise increased fat oxidation more than exercise alone. Benefits are partly attributable to caffeine content.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
6

        
Études

    

    

        
300

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
Note

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Posologies couramment utilisées

                

                    
                    

                        
general:

                        
250-500 mg/day standardized to 50% EGCG

                    

                    
                    

                        
equivalent:

                        
3-5 cups green tea/day

                    

                    
                    

                        
weightmanagement:

                        
400-800 mg EGCG/day

                    

                    
                

                
                

                    Limite supérieure : 800 mg EGCG/day (hepatotoxicity risk above this; rare but documented)
                

                
            

            

            

            
            

                Moment optimal de prise : With meals (reduces nausea risk); avoid on empty stomach; space from iron-containing foods/supp
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effets indésirables signalés

                    
    
                        
                        
  • 
                            ⚠
                            Nausea on empty stomach
                        
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  • 
                            ⚠
                            Insomnia (caffeine content)
                        
    • 
                        
                        
  • 
                            ⚠
                            Rare hepatotoxicity at high doses
                        
    • 
                        
                        
  • 
                            ⚠
                            Reduced iron absorption
                        
    • 
                        
                    

                

                

                
                

                    
Interactions connues

                    
    
                        
                        
  • 
                            ●
                            Nadolol (reduced bioavailability)
                        
    • 
                        
                        
  • 
                            ●
                            Iron supplements (reduced absorption)
                        
    • 
                        
                        
  • 
                            ●
                            Blood thinners (theoretical)
                        
    • 
                        
                        
  • 
                            ●
                            Other stimulants (additive effects)
                        
    • 
                        
                    

                

                

                
                

                    

                        Apport maximal tolérable : 800 mg EGCG/day (hepatotoxicity risk above this; rare but documented)
                    

                

                
            

            

                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 Green Tea Extract (EGCG) help with Exercise Performance for Weight Loss?
            
        
        

            Based on 6 studies with 300 participants, there is limited but promising evidence that Green Tea Extract (EGCG) may support Exercise Performance for Weight Loss management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Green Tea Extract (EGCG) should I take for Exercise Performance for Weight Loss?
            
        
        

            Studies have used various dosages. A commonly studied range is 250-500 mg/day standardized to 50% EGCG. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Green Tea Extract (EGCG)?
            
        
        

            Reported side effects may include Nausea on empty stomach, Insomnia (caffeine content), Rare hepatotoxicity at high doses, Reduced iron absorption. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Green Tea Extract (EGCG) and Exercise Performance for Weight Loss?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 6 peer-reviewed studies with 300 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
Autres ingrédients pour Exercise Performance for Weight Loss

                    

                        
                        
                            Caffeine
                            A

                        
                        
                        
                            Ashwagandha
                            B

                        
                        
                        
                            Iron
                            C

                        
                        
                        
                            L-Carnitine
                            C

                        
                        
                    

                

                

                
                

                    
Green Tea Extract (EGCG) pour d'autres pathologies

                    

                        
                        
                            Obesity
                            B

                        
                        
                        
                            Abdominal Fat Reduction
                            B

                        
                        
                        
                            Weight Loss Plateau
                            C

                        
                        
                    

                

                
            

        

        

    


    
    












    

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