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Polypodium leucotomos ： Hyperpigmentation

C エビデンス 小規模研究からのエビデンスは限られていますが、いくつかの肯定的なシグナルがあります。

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

        

        

            
結論

            
            
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
                
                
                効果: None
                
                
                None
                
            

            
            
対象集団: General population (skin health review)

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
3

        
研究数

    

    

        
150

        
参加者数

    

    

        
            
            ↑
            
        
        
Positive

    

    

        C

        
グレード

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

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

                    

                        Medicina (Kaunas, Lithuania)
                        2023
                        
                        41 件の引用
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
一般的な使用量

                

                    
                    

                        
general:

                        
240-480 mg/day

                    

                    
                    

                        
photoprotection:

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

                    

                    
                

                
                

                    上限量： Generally well-tolerated up to 960 mg/day
                

                
            

            

            
            

                
研究で検討された用量

                

                    

                        
                            

                                用量
                                期間
                                効果
                                N
                            

                        
                        
                            
                            

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

                            
                        
                    

                

            

            

            
            

                推奨摂取タイミング： 30-60 minutes before sun exposure; can also be taken daily for baseline protection
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
報告されている副作用

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

                

                

                
                

                    
既知の相互作用

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

                

                

                
                

                    

                        耐容上限摂取量： Generally well-tolerated up to 960 mg/day
                    

                

                
            

            

                サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。
            

        

        

        
        
        

            

  
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 他の症状・状態について

                    

                        
                        
                            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に関する免責事項:
        これらの記述は米国食品医薬品局（FDA）による評価を受けていません。本ウェブサイトの製品および情報は、疾病の診断、治療、治癒、または予防を目的としたものではありません。表示されているエビデンスグレードは、公開された査読済み研究の分析に基づいており、医療上の助言を構成するものではありません。サプリメントの摂取を開始する前に、必ず医療専門家にご相談ください。