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Vitamin E 用于 Brittle Hair and Nails Syndrome

D

Based on 2 studies with 30 total participants. Results are mixed across studies.

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            D

        

        

            
结论

            
            
Based on 2 studies with 30 total participants. Results are mixed across studies.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    prospective controlled study
                
                
                n=30
                
                
                
            

            
                Investigation of ischaemia-modified albumin and antioxidant vitamins and minerals levels in alopecia areata patients and …
            
            

                
                Dose: None
                
                
                vs: Placebo
                
                
                
                效果: None
                
                
                None
                
            

            
        

        
        

            

                
                    Other
                
                
                
                
            

            
                Extensive Bioactivity of Astaxanthin from Haematococcus pluvialis in Human.
            
            

                
                Dose: None
                
                
                vs: None
                
                
                Outcome: None
                
                
                效果: None
                
                
                None
                
            

            
            
研究人群: None

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
2

        
研究数量

    

    

        
30

        
受试者

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        D

        
等级

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Investigation of ischaemia-modified albumin and antioxidant vitamins and minerals levels in alopecia areata patients and evaluation of their relationship with …
                        
                        
                            
                                Other
                            
                            
                            
                        
                    

                    

                        Cutaneous and ocular …
                        2025
                        
                        1 次引用
                        
                    

                

                
                

                    

                        
                            Extensive Bioactivity of Astaxanthin from Haematococcus pluvialis in Human.
                        
                        
                            
                                Other
                            
                            
                            
                        
                    

                    

                        Advances in experimental …
                        2021
                        
                        13 次引用
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
常用剂量

                

                    
                    

                        
general:

                        
400 IU/day mixed tocopherols; 50-100 mg/day tocotrienols

                    

                    
                

                
                

                    上限： 1,000 mg/day (1,500 IU natural; 1,100 IU synthetic)
                

                
            

            

            
            

                
研究中使用的剂量

                

                    

                        
                            

                                剂量
                                持续时间
                                效果
                                N
                            

                        
                        
                            
                            

                                None
                                --
                                
                                    
                                    Neutral
                                    
                                
                                30
                            

                            
                            

                                None
                                --
                                
                                    
                                    Positive
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                最佳服用时间： With a fat-containing meal for optimal absorption
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
已报告的副作用

                    
    
                        
                        
  • 
                            ⚠
                            Increased bleeding risk at high doses
                        
    • 
                        
                        
  • 
                            ⚠
                            Nausea and gastrointestinal discomfort
                        
    • 
                        
                        
  • 
                            ⚠
                            Fatigue and muscle weakness (rare at high doses)
                        
    • 
                        
                        
  • 
                            ⚠
                            Potential interference with vitamin K activity
                        
    • 
                        
                    

                

                

                
                

                    
已知相互作用

                    
    
                        
                        
  • 
                            ●
                            Anticoagulants and antiplatelet drugs (increased bleeding risk)
                        
    • 
                        
                        
  • 
                            ●
                            Chemotherapy and radiation (antioxidant interference — consult oncologist)
                        
    • 
                        
                        
  • 
                            ●
                            Statins and niacin (may reduce HDL-raising effects)
                        
    • 
                        
                        
  • 
                            ●
                            Iron supplements (vitamin E may impair iron absorption in deficient individuals)
                        
    • 
                        
                    

                

                

                
                

                    

                        可耐受最高摄入量： 1,000 mg/day (1,500 IU natural; 1,100 IU synthetic)
                    

                

                
            

            

                在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Vitamin E help with Brittle Hair and Nails Syndrome?
            
        
        

            Based on 2 studies with 30 participants, there is preliminary evidence that needs more research that Vitamin E may support Brittle Hair and Nails Syndrome management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Vitamin E should I take for Brittle Hair and Nails Syndrome?
            
        
        

            Studies have used various dosages. A commonly studied range is 400 IU/day mixed tocopherols; 50-100 mg/day tocotrienols. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Vitamin E?
            
        
        

            Reported side effects may include Increased bleeding risk at high doses, Nausea and gastrointestinal discomfort, Fatigue and muscle weakness (rare at high doses), Potential interference with vitamin K activity. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Vitamin E and Brittle Hair and Nails Syndrome?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 2 peer-reviewed studies with 30 total participants. The overall direction of effect is mixed.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
其他成分用于 Brittle Hair and Nails Syndrome

                    

                        
                        
                            Silica (Silicon)
                            D

                        
                        
                    

                

                

                
                

                    
Vitamin E 用于其他健康状况

                    

                        
                        
                            年龄相关性头发稀疏
                            D

                        
                        
                    

                

                
            

        

        

    


    
    












    

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