Skip to main content
SkinCited

Green Tea Extract for Acne

D

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

<\/script>\n
`; }, get iframeSnippet() { const domain = 'skincited.com'; const params = 'ingredient\u003Dgreen\u002Dtea\u002Dextract\u0026condition\u003Dacne'; return ``; }, get activeSnippet() { return this.method === 'script' ? this.scriptSnippet : this.iframeSnippet; }, copySnippet() { navigator.clipboard.writeText(this.activeSnippet).then(() => { this.copied = true; setTimeout(() => { this.copied = false; }, 2000); }); } }" @keydown.escape.window="open = false" @click.outside="open = false">

Embed This Widget

Style



      
      
    


    
    

      Widget powered by
      .
      Free, no account required.
    

  




    








    

        

            D

        

        

            
The Bottom Line

            
            
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

        
Studies

    

    

        
150

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        D

        
Grade

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
250-500 mg/day green tea extract

                    

                    
                    

                        
skinhealth:

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

                    

                    
                

                
                

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

                
            

            

            

            
            

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

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

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

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            Iron supplements (reduces absorption — separate by 2+ hours)
                        
    • 
                        
                        
  • 
                            ●
                            Stimulant medications (additive caffeine effects)
                        
    • 
                        
                        
  • 
                            ●
                            Blood thinners (may have mild antiplatelet effects)
                        
    • 
                        
                        
  • 
                            ●
                            Hepatotoxic medications (potential additive liver stress at high doses)
                        
    • 
                        
                    

                

                

                
                

                    

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

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
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 for other conditions

                    

                        
                        
                            UV Protection (Internal Photoprotection)
                            B

                        
                        
                    

                

                
            

        

        

    


    
    












    

        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.