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Olive Leaf Extract pour Upper Respiratory Tract Infections

D

Preclinical studies demonstrate oleuropein's antiviral and antimicrobial properties. Small clinical trials suggest antioxidant and anti-inflammatory benefits. The evidence base for immune-specific outcomes is growing but remains in early stages.

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            D

        

        

            
En conclusion

            
            
Preclinical studies demonstrate oleuropein's antiviral and antimicrobial properties. Small clinical trials suggest antioxidant and anti-inflammatory benefits. The evidence base for immune-specific outcomes is growing but remains in early stages.

            
            
        

    










    

  
Key Study Findings





    

        
        

            

                
                    Review
                
                
                
                
            

            
                Colds and influenza: a review of diagnosis and conventional, botanical, and nutritional considerations.
            
            

                
                Dose: None
                
                
                vs: None
                
                
                Outcome: Colds and influenza: a review of diagnosis and …
                
                
                Effet: None
                
                
                None
                
            

            
            
Population: None

            
        

        
    







    
    

        
        

            

  
Key Statistics





            


    

        
3

        
Études

    

    

        
100

        
Participants

    

    

        
            
            ↑
            
        
        
Positive

    

    

        D

        
Note

    




        


        
        
        

            

  
Referenced Papers





            

                
                

                    

                        
                            Colds and influenza: a review of diagnosis and conventional, botanical, and nutritional considerations.
                        
                        
                            
                                Review
                            
                            
                            
                        
                    

                    

                        Alternative medicine review …
                        2007
                        
                        163 citations
                        
                    

                

                
            

        

        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Posologies couramment utilisées

                

                    
                    

                        
general:

                        
500-1,000 mg standardized extract/day (15-20% oleuropein)

                    

                    
                

                
                

                    Limite supérieure : No established UL
                

                
            

            

            
            

                
Posologies étudiées dans la recherche

                

                    

                        
                            

                                Posologie
                                Durée
                                Effet
                                N
                            

                        
                        
                            
                            

                                None
                                --
                                
                                    
                                    Mixed
                                    
                                
                                --
                            

                            
                        
                    

                

            

            

            
            

                Moment optimal de prise : With meals
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effets indésirables signalés

                    
    
                        
                        
  • 
                            ⚠
                            Mild gastrointestinal discomfort
                        
    • 
                        
                        
  • 
                            ⚠
                            Headache (possible Herxheimer reaction)
                        
    • 
                        
                        
  • 
                            ⚠
                            Dizziness
                        
    • 
                        
                    

                

                

                
                

                    
Interactions connues

                    
    
                        
                        
  • 
                            ●
                            Antihypertensive medications (additive blood pressure lowering)
                        
    • 
                        
                        
  • 
                            ●
                            Diabetes medications (may lower blood sugar)
                        
    • 
                        
                        
  • 
                            ●
                            Anticoagulants (theoretical increased bleeding risk)
                        
    • 
                        
                    

                

                

                
                

                    

                        Apport maximal tolérable : No established UL
                    

                

                
            

            

                Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Olive Leaf Extract help with Upper Respiratory Tract Infections?
            
        
        

            Based on 3 studies with 100 participants, there is preliminary evidence that needs more research that Olive Leaf Extract may support Upper Respiratory Tract Infections management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much Olive Leaf Extract should I take for Upper Respiratory Tract Infections?
            
        
        

            Studies have used various dosages. A commonly studied range is 500-1,000 mg standardized extract/day (15-20% oleuropein). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Olive Leaf Extract?
            
        
        

            Reported side effects may include Mild gastrointestinal discomfort, Headache (possible Herxheimer reaction), Dizziness. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Olive Leaf Extract and Upper Respiratory Tract Infections?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 3 peer-reviewed studies with 100 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
Autres ingrédients pour Upper Respiratory Tract Infections

                    

                        
                        
                            Vitamin D
                            A

                        
                        
                        
                            Zinc
                            A

                        
                        
                        
                            Beta-Glucan
                            A

                        
                        
                        
                            Vitamin C
                            B

                        
                        
                        
                            Echinacea
                            B

                        
                        
                        
                            Andrographis
                            B

                        
                        
                    

                

                

                
            

        

        

    


    
    












    

        Avertissement FDA:
        Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.