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Garlic 用于 High Blood Pressure (Hypertension)

A

Meta-analysis of 12 RCTs: systolic -8.3 mmHg, diastolic -5.5 mmHg in hypertensives. Effect may be comparable to first-line antihypertensives. AGE at Heart trial showed 80% reduction in coronary calcium progression.

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            A

        

        

            
结论

            
            
Meta-analysis of 12 RCTs: systolic -8.3 mmHg, diastolic -5.5 mmHg in hypertensives. Effect may be comparable to first-line antihypertensives. AGE at Heart trial showed 80% reduction in coronary calcium progression.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
12

        
研究数量

    

    

        
550

        
受试者

    

    

        
            
            ↑
            
        
        
Positive

    

    

        A

        
等级

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
常用剂量

                

                    
                    

                        
freshgarlic:

                        
2-5g/day (1-2 cloves)

                    

                    
                    

                        
agedgarlicextract:

                        
600-1,200 mg/day

                    

                    
                    

                        
allicinstandardized:

                        
300-600 mg/day (5-12 mg allicin)

                    

                    
                

                
                

                    上限： Not formally established; GI discomfort and body odor limit high doses
                

                
            

            

            

            
            

                最佳服用时间： With meals to reduce GI side effects; enteric-coated tablets for allicin delivery
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
已报告的副作用

                    
    
                        
                        
  • 
                            ⚠
                            Body odor and bad breath (less with AGE)
                        
    • 
                        
                        
  • 
                            ⚠
                            Gastrointestinal discomfort (heartburn, nausea, gas)
                        
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  • 
                            ⚠
                            Increased bleeding risk
                        
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  • 
                            ⚠
                            Allergic reactions (rare)
                        
    • 
                        
                    

                

                

                
                

                    
已知相互作用

                    
    
                        
                        
  • 
                            ●
                            Anticoagulants (increased bleeding risk — discontinue 7 days before surgery)
                        
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                            ●
                            Antiplatelet drugs (additive antiplatelet effect)
                        
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  • 
                            ●
                            HIV protease inhibitors (saquinavir — reduced levels)
                        
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                            ●
                            CYP3A4 substrates (may alter metabolism)
                        
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  • 
                            ●
                            Blood pressure medications (additive hypotensive effect)
                        
    • 
                        
                    

                

                

                
                

                    

                        可耐受最高摄入量： Not formally established; GI discomfort and body odor limit high doses
                    

                

                
            

            

                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 Garlic help with High Blood Pressure (Hypertension)?
            
        
        

            Based on 12 studies with 550 participants, there is strong evidence from multiple clinical trials that Garlic may support High Blood Pressure (Hypertension) management. Our evidence grade is A (Strong Evidence).
        

    

    
    

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

            Studies have used various dosages. A commonly studied range is 2-5g/day (1-2 cloves). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Garlic?
            
        
        

            Reported side effects may include Body odor and bad breath (less with AGE), Gastrointestinal discomfort (heartburn, nausea, gas), Increased bleeding risk, Allergic reactions (rare). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Garlic and High Blood Pressure (Hypertension)?
            
        
        

            We rate the evidence as Grade A (Strong Evidence). This rating is based on 12 peer-reviewed studies with 550 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
            

        

        

    


    
    












    

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