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Olive Leaf Extract
Olive Leaf Extract

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别名: Olea europaea Extract, Oleuropein, Hydroxytyrosol, EFLA 943, Benolea

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About





            

                
Olive leaf extract contains oleuropein and hydroxytyrosol — the most potent natural antioxidant measured by ORAC — with ACE-inhibitory activity. A landmark 2011 RCT (148 hypertensive patients) found olive leaf extract at 500 mg BID reduced systolic blood pressure by 11.5 mmHg — comparable to captopril. EFSA has approved a health claim for olive oil polyphenols protecting LDL from oxidation.

            

        

        

        
        
        

            

  
How It Works





            

                
Oleuropein inhibits ACE activity reducing angiotensin II-mediated vasoconstriction; enhances endothelial nitric oxide production; potent antioxidant activity protects LDL from oxidation (hydroxytyrosol is the most potent natural antioxidant by ORAC); anti-inflammatory via NF-kB and COX-2 inhibition; improves arterial elasticity.

            

        

        

        
        
        

            

  
Evidence For Conditions





            

                

                    

                        
                            

                                健康状况
                                等级
                                研究数量
                                受试者
                                
                            

                        
                        
                            
                            

                                
                                    
                                        High Blood Pressure (Hypertension)
                                    
                                
                                
                                    B

                                
                                
                                    5
                                
                                
                                    500
                                
                                
                                    
                                        查看 →
                                    
                                
                            

                            
                            

                                
                                    
                                        Atherosclerosis
                                    
                                
                                
                                    D

                                
                                
                                    2
                                
                                
                                    100
                                
                                
                                    
                                        查看 →
                                    
                                
                            

                            
                        
                    

                

            

        

        

        
        
        

            

  
Side Effects





            
    
                
                
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                    Generally well-tolerated
                
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                    Mild gastrointestinal discomfort
                
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                    Dizziness (if blood pressure drops significantly)
                
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                    Headache (rare)
                
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Drug & Supplement Interactions





            
    
                
                
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                    Antihypertensives (additive blood pressure lowering — monitor BP)
                
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                    Diabetes medications (may lower blood sugar)
                
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                    Anticoagulants (mild theoretical interaction)
                
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                请务必告知您的医疗保健提供者您正在服用的所有补充剂。
            

        

        

        
        
        

            

  
Related Ingredients





            

                
                
                    Nitric Oxide Boosters
                    
                
                
                
                    Beetroot Extract
                    
                
                
                
                    Cocoa Flavanols
                    
                
                
            

        

        
    


    
    












    

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