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Vitamin D 用于 High Blood Pressure (Hypertension)

C

Meta-analyses show modest BP reduction (-2-6 mmHg) in deficient populations only. VITAL trial was negative for cardiovascular endpoints. Research suggests benefits may be limited to correcting deficiency.

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结论

            
            
Meta-analyses show modest BP reduction (-2-6 mmHg) in deficient populations only. VITAL trial was negative for cardiovascular endpoints. Research suggests benefits may be limited to correcting deficiency.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
20

        
研究数量

    

    

        
30000

        
受试者

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        C

        
等级

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
常用剂量

                

                    
                    

                        
general:

                        
600-800 IU/day

                    

                    
                    

                        
deficiencycorrection:

                        
4,000-5,000 IU/day (under medical supervision)

                    

                    
                    

                        
cardiovascularsupport:

                        
1,000-2,000 IU/day

                    

                    
                

                
                

                    上限： 4,000 IU/day (100 mcg)
                

                
            

            

            

            
            

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

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
已报告的副作用

                    
    
                        
                        
  • 
                            ⚠
                            Hypercalcemia at very high doses (fatigue, nausea, kidney stones)
                        
    • 
                        
                        
  • 
                            ⚠
                            Constipation
                        
    • 
                        
                        
  • 
                            ⚠
                            Generally very safe at recommended doses
                        
    • 
                        
                    

                

                

                
                

                    
已知相互作用

                    
    
                        
                        
  • 
                            ●
                            Thiazide diuretics (may increase hypercalcemia risk)
                        
    • 
                        
                        
  • 
                            ●
                            Statins (theoretical interaction via CYP enzymes)
                        
    • 
                        
                        
  • 
                            ●
                            Corticosteroids (may reduce vitamin D absorption)
                        
    • 
                        
                        
  • 
                            ●
                            Weight loss medications (may reduce absorption of fat-soluble vitamins)
                        
    • 
                        
                    

                

                

                
                

                    

                        可耐受最高摄入量： 4,000 IU/day (100 mcg)
                    

                

                
            

            

                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 D help with High Blood Pressure (Hypertension)?
            
        
        

            Based on 20 studies with 30,000 participants, there is limited but promising evidence that Vitamin D may support High Blood Pressure (Hypertension) management. Our evidence grade is C (Some Evidence).
        

    

    
    

        
            How much Vitamin D should I take for High Blood Pressure (Hypertension)?
            
        
        

            Studies have used various dosages. A commonly studied range is 600-800 IU/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Vitamin D?
            
        
        

            Reported side effects may include Hypercalcemia at very high doses (fatigue, nausea, kidney stones), Constipation, Generally very safe at recommended 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 D and High Blood Pressure (Hypertension)?
            
        
        

            We rate the evidence as Grade C (Some Evidence). This rating is based on 20 peer-reviewed studies with 30,000 total participants. The overall direction of effect is mixed.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
                

                    
Vitamin D 用于其他健康状况

                    

                        
                        
                            Heart Failure
                            C

                        
                        
                    

                

                
            

        

        

    


    
    












    

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