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Zinc for Wound Healing

A

Well-established evidence that zinc is essential for wound healing. Zinc deficiency impairs all phases of repair. Supplementation in deficient individuals may help accelerate wound closure.

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The Bottom Line

            
            
Well-established evidence that zinc is essential for wound healing. Zinc deficiency impairs all phases of repair. Supplementation in deficient individuals may help accelerate wound closure.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
18

        
Studies

    

    

        
1500

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        A

        
Grade

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
8-11 mg/day (RDA)

                    

                    
                    

                        
acneskinhealth:

                        
15-30 mg/day

                    

                    
                

                
                

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

                
            

            

            

            
            

                Best taken: With meals to reduce nausea; avoid taking with iron or calcium
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            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
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
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                            ●
                            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)
                        
    • 
                        
                        
  • 
                            ●
                            Iron supplements (competitive absorption)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: 40 mg/day (elemental zinc — higher doses may cause copper depletion)
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Zinc help with Wound Healing?
            
        
        

            Based on 18 studies with 1,500 participants, there is strong evidence from multiple clinical trials that Zinc may support Wound Healing management. Our evidence grade is A (Strong Evidence).
        

    

    
    

        
            How much Zinc should I take for Wound Healing?
            
        
        

            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 Wound Healing?
            
        
        

            We rate the evidence as Grade A (Strong Evidence). This rating is based on 18 peer-reviewed studies with 1,500 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
Other ingredients for Wound Healing

                    

                        
                        
                            Aloe Vera
                            D

                        
                        
                        
                            Copper
                            D

                        
                        
                    

                

                

                
                

                    
Zinc for other conditions

                    

                        
                        
                            Acne
                            A

                        
                        
                    

                

                
            

        

        

    


    
    












    

        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.