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Green Tea Extract für Acne

D

EGCG has demonstrated anti-sebum and anti-inflammatory properties in vitro. Limited clinical trials for oral green tea extract specifically targeting acne.

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Fazit

            
            
EGCG has demonstrated anti-sebum and anti-inflammatory properties in vitro. Limited clinical trials for oral green tea extract specifically targeting acne.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
3

        
Studien

    

    

        
150

        
Teilnehmer

    

    

        
            
            ↑
            
        
        
Positive

    

    

        D

        
Bewertung

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Übliche Dosierungen

                

                    
                    

                        
general:

                        
250-500 mg/day green tea extract

                    

                    
                    

                        
skinhealth:

                        
250-500 mg/day standardized to 50-90% EGCG

                    

                    
                

                
                

                    Obergrenze: 800 mg EGCG/day (doses above may cause hepatotoxicity in rare cases)
                

                
            

            

            

            
            

                Beste Einnahmezeit: With meals (may cause nausea on empty stomach); avoid with iron-rich foods
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Gemeldete Nebenwirkungen

                    
    
                        
                        
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                            ⚠
                            Nausea (especially on empty stomach)
                        
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                            Insomnia and jitteriness (caffeine content)
                        
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                            Rare hepatotoxicity at high doses (> 800 mg EGCG/day)
                        
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                            Reduced iron absorption
                        
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Bekannte Wechselwirkungen

                    
    
                        
                        
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                            Iron supplements (reduces absorption — separate by 2+ hours)
                        
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                            Stimulant medications (additive caffeine effects)
                        
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                            Blood thinners (may have mild antiplatelet effects)
                        
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                            Hepatotoxic medications (potential additive liver stress at high doses)
                        
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                        Tolerierbare Höchstaufnahmemenge: 800 mg EGCG/day (doses above may cause hepatotoxicity in rare cases)
                    

                

                
            

            

                Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.Konsultieren Sie immer Ihren Arzt, bevor Sie ein Nahrungsergänzungsmittel einnehmen.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Green Tea Extract help with Acne?
            
        
        

            Based on 3 studies with 150 participants, there is preliminary evidence that needs more research that Green Tea Extract may support Acne management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Green Tea Extract should I take for Acne?
            
        
        

            Studies have used various dosages. A commonly studied range is 250-500 mg/day green tea extract. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Green Tea Extract?
            
        
        

            Reported side effects may include Nausea (especially on empty stomach), Insomnia and jitteriness (caffeine content), Rare hepatotoxicity at high doses (> 800 mg EGCG/day), 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 and Acne?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 3 peer-reviewed studies with 150 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
                

                    
Green Tea Extract für andere Beschwerden

                    

                        
                        
                            UV Protection (Internal Photoprotection)
                            B

                        
                        
                    

                

                
            

        

        

    


    
    












    

        FDA-Haftungsausschluss:
        Diese Aussagen wurden nicht von der Food and Drug Administration bewertet. Die Produkte und Informationen auf dieser Website sind nicht dazu bestimmt, Krankheiten zu diagnostizieren, zu behandeln, zu heilen oder zu verhindern. Die dargestellten Evidenzbewertungen basieren auf unserer Analyse veröffentlichter begutachteter Forschung und stellen keine medizinische Beratung dar. Konsultieren Sie immer Ihren Arzt, bevor Sie mit der Einnahme von Nahrungsergänzungsmitteln beginnen.