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Zinc para Acne

A

A meta-analysis found zinc supplementation (30-45 mg/day for 8-12 weeks) significantly reduced inflammatory acne lesions. Zinc inhibits 5-alpha-reductase, C. acnes growth, and inflammatory cytokines.

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            A

        

        

            
Conclusão

            
            
A meta-analysis found zinc supplementation (30-45 mg/day for 8-12 weeks) significantly reduced inflammatory acne lesions. Zinc inhibits 5-alpha-reductase, C. acnes growth, and inflammatory cytokines.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
12

        
Estudos

    

    

        
900

        
Participantes

    

    

        
            
            ↑
            
        
        
Positive

    

    

        A

        
Nota

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Dosagens Comumente Utilizadas

                

                    
                    

                        
general:

                        
8-11 mg/day (RDA)

                    

                    
                    

                        
acneskinhealth:

                        
15-30 mg/day

                    

                    
                

                
                

                    Limite superior: 40 mg/day (elemental zinc — higher doses may cause copper depletion)
                

                
            

            

            

            
            

                Melhor horário: With meals to reduce nausea; avoid taking with iron or calcium
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Efeitos Colaterais Relatados

                    
    
                        
                        
  • 
                            ⚠
                            Nausea (especially on empty stomach)
                        
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                            ⚠
                            Copper depletion with long-term high-dose use
                        
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                            ⚠
                            Metallic taste
                        
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  • 
                            ⚠
                            Headache
                        
    • 
                        
                    

                

                

                
                

                    
Interações Conhecidas

                    
    
                        
                        
  • 
                            ●
                            Copper supplements (mutual absorption competition — separate by 2+ hours)
                        
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                            ●
                            Tetracycline and quinolone antibiotics (reduced antibiotic absorption)
                        
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                            ●
                            Penicillamine (reduced absorption of both)
                        
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  • 
                            ●
                            Iron supplements (competitive absorption)
                        
    • 
                        
                    

                

                

                
                

                    

                        Ingestão máxima tolerável: 40 mg/day (elemental zinc — higher doses may cause copper depletion)
                    

                

                
            

            

                Consulte sempre o seu profissional de saúde antes de iniciar qualquer suplemento.Sempre consulte seu profissional de saúde antes de iniciar qualquer suplemento.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Zinc help with Acne?
            
        
        

            Based on 12 studies with 900 participants, there is strong evidence from multiple clinical trials that Zinc may support Acne management. Our evidence grade is A (Strong Evidence).
        

    

    
    

        
            How much Zinc should I take for Acne?
            
        
        

            Studies have used various dosages. A commonly studied range is 8-11 mg/day (RDA). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Zinc?
            
        
        

            Reported side effects may include Nausea (especially on empty stomach), Copper depletion with long-term high-dose use, Metallic taste, Headache. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Zinc and Acne?
            
        
        

            We rate the evidence as Grade A (Strong Evidence). This rating is based on 12 peer-reviewed studies with 900 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
                

                    
Zinc para outras condições

                    

                        
                        
                            Wound Healing
                            A

                        
                        
                    

                

                
            

        

        

    


    
    












    

        Aviso Legal da FDA:
        Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.