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Polypodium leucotomos for Hyperpigmentation

C Some Evidence Limited evidence from small studies, but some positive signals exist.

An RCT found PLE (480 mg/day for 60 days) reduced MASI (melasma severity) scores when used as adjunct to sunscreen. May help support even skin tone via photoprotection.

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            C

        

        

            
The Bottom Line

            
            
An RCT found PLE (480 mg/day for 60 days) reduced MASI (melasma severity) scores when used as adjunct to sunscreen. May help support even skin tone via photoprotection.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Review
                
                
                
                
            

            
                Nutritional Supplements for Skin Health-A Review of What Should Be Chosen and Why.
            
            

                
                Dose: 14 nutritional compounds (vitamins, minerals, etc.)
                
                
                vs: None
                
                
                Outcome: Skin health and barrier function
                
                
                Effect: None
                
                
                None
                
            

            
            
Population: General population (skin health review)

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
3

        
Studies

    

    

        
150

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
Grade

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Nutritional Supplements for Skin Health-A Review of What Should Be Chosen and Why.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        Medicina (Kaunas, Lithuania)
                        2023
                        
                        41 citations
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Commonly Used Dosages

                

                    
                    

                        
general:

                        
240-480 mg/day

                    

                    
                    

                        
photoprotection:

                        
480 mg/day (240 mg twice daily, 30-60 min before sun exposure)

                    

                    
                

                
                

                    Upper limit: Generally well-tolerated up to 960 mg/day
                

                
            

            

            
            

                
Dosages Studied in Research

                

                    

                        
                            

                                Dosage
                                Duration
                                Effect
                                N
                            

                        
                        
                            
                            

                                14 nutritional compounds (vitamins, minerals, etc.)
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Best taken: 30-60 minutes before sun exposure; can also be taken daily for baseline protection
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Reported Side Effects

                    
    
                        
                        
  • 
                            ⚠
                            Generally well-tolerated
                        
    • 
                        
                        
  • 
                            ⚠
                            Mild gastrointestinal discomfort (rare)
                        
    • 
                        
                        
  • 
                            ⚠
                            Pruritus (rare)
                        
    • 
                        
                    

                

                

                
                

                    
Known Interactions

                    
    
                        
                        
  • 
                            ●
                            Immunosuppressants (may modulate immune function)
                        
    • 
                        
                        
  • 
                            ●
                            Photosensitizing medications (may modulate UV response)
                        
    • 
                        
                    

                

                

                
                

                    

                        Tolerable upper intake: Generally well-tolerated up to 960 mg/day
                    

                

                
            

            

                Always consult your healthcare provider before starting any supplement.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Polypodium leucotomos help with Hyperpigmentation?
            
        
        

            Based on 3 studies with 150 participants, there is limited but promising evidence that Polypodium leucotomos may support Hyperpigmentation management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Polypodium leucotomos should I take for Hyperpigmentation?
            
        
        

            Studies have used various dosages. A commonly studied range is 240-480 mg/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Polypodium leucotomos?
            
        
        

            Reported side effects may include Generally well-tolerated, Mild gastrointestinal discomfort (rare), Pruritus (rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Polypodium leucotomos and Hyperpigmentation?
            
        
        

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

    

    




        

        

        
        
        

            

  




            

                
                
                

                
                

                    
Polypodium leucotomos for other conditions

                    

                        
                        
                            UV Protection (Internal Photoprotection)
                            B

                        
                        
                    

                

                
            

        

        

    


    
    






  
References

  
    
    
    
  1. 
      [1]
      Jacek Januszewski et al..
      Medicina (Kaunas).
      2023.
      Nutritional Supplements for Skin Health-A Review of What Should Be Chosen and Why.
      doi:10.3390/medicina60010068
      PubMed
    
    2. 
    
  















    

        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.