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Vitamin E 用于 动脉粥样硬化

C

Strong mechanistic rationale (LDL oxidation inhibition) but large RCTs (HOPE, GISSI-Prevenzione) show no benefit. Meta-analysis suggests potential harm at >=400 IU/day. AHA does not recommend supplementation.

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            C

        

        

            
结论

            
            
Strong mechanistic rationale (LDL oxidation inhibition) but large RCTs (HOPE, GISSI-Prevenzione) show no benefit. Meta-analysis suggests potential harm at >=400 IU/day. AHA does not recommend supplementation.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
15

        
研究数量

    

    

        
50000

        
受试者

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        C

        
等级

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
常用剂量

                

                    
                    

                        
note:

                        
High-dose supplementation no longer recommended based on clinical trial evidence

                    

                    
                    

                        
general:

                        
15 mg/day (22.4 IU)

                    

                    
                

                
                

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

                
            

            

            

            
            

                最佳服用时间： With meals containing fat
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
已报告的副作用

                    
    
                        
                        
  • 
                            ⚠
                            Increased bleeding risk at high doses
                        
    • 
                        
                        
  • 
                            ⚠
                            Possible increased all-cause mortality at >=400 IU/day
                        
    • 
                        
                        
  • 
                            ⚠
                            Increased heart failure hospitalization risk (HOPE/HOPE-TOO)
                        
    • 
                        
                        
  • 
                            ⚠
                            Nausea, diarrhea, fatigue at high doses
                        
    • 
                        
                    

                

                

                
                

                    
已知相互作用

                    
    
                        
                        
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                            ●
                            Anticoagulants (increased bleeding risk)
                        
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                            ●
                            Statins and niacin (may blunt HDL-raising effect)
                        
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                            ●
                            Chemotherapy and radiation (theoretical interference with oxidative mechanisms)
                        
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  • 
                            ●
                            Vitamin K (may antagonize at high doses)
                        
    • 
                        
                    

                

                

                
                

                    

                        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 动脉粥样硬化?
            
        
        

            Based on 15 studies with 50,000 participants, there is limited but promising evidence that Vitamin E may support 动脉粥样硬化 management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Vitamin E should I take for 动脉粥样硬化?
            
        
        

            Studies have used various dosages. A commonly studied range is High-dose supplementation no longer recommended based on clinical trial evidence. 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, Possible increased all-cause mortality at >=400 IU/day, Increased heart failure hospitalization risk (HOPE/HOPE-TOO), Nausea, diarrhea, fatigue at high doses. 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 动脉粥样硬化?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 15 peer-reviewed studies with 50,000 total participants. The overall direction of effect is mixed.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
            

        

        

    


    
    












    

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