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L-Arginine pour Heart Failure

D

Small studies show improved exercise capacity. However, safety concerns from the VINTAGE MI trial apply to the broader acute cardiac population. Use with caution.

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            D

        

        

            
En conclusion

            
            
Small studies show improved exercise capacity. However, safety concerns from the VINTAGE MI trial apply to the broader acute cardiac population. Use with caution.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
3

        
Études

    

    

        
150

        
Participants

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        D

        
Note

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Posologies couramment utilisées

                

                    
                    

                        
endothelialfunction:

                        
3,000-6,000 mg/day

                    

                    
                    

                        
bloodpressuresupport:

                        
6,000-10,000 mg/day divided BID-TID

                    

                    
                

                
                

                    Limite supérieure : Not formally established; GI discomfort common above 10,000 mg/day
                

                
            

            

            

            
            

                Moment optimal de prise : On empty stomach for best absorption; divide doses throughout the day
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effets indésirables signalés

                    
    
                        
                        
  • 
                            ⚠
                            Gastrointestinal discomfort (nausea, diarrhea, bloating)
                        
    • 
                        
                        
  • 
                            ⚠
                            Hypotension at high doses
                        
    • 
                        
                        
  • 
                            ⚠
                            Worsening of herpes simplex (arginine promotes viral replication)
                        
    • 
                        
                        
  • 
                            ⚠
                            Potential harm in acute post-MI patients (VINTAGE MI concern)
                        
    • 
                        
                    

                

                

                
                

                    
Interactions connues

                    
    
                        
                        
  • 
                            ●
                            Antihypertensives (additive blood pressure lowering)
                        
    • 
                        
                        
  • 
                            ●
                            PDE5 inhibitors (sildenafil — excessive vasodilation risk)
                        
    • 
                        
                        
  • 
                            ●
                            Nitrates (excessive vasodilation risk)
                        
    • 
                        
                        
  • 
                            ●
                            Anticoagulants (may have mild antiplatelet effect)
                        
    • 
                        
                        
  • 
                            ●
                            Potassium-sparing diuretics (arginine may increase potassium levels)
                        
    • 
                        
                    

                

                

                
                

                    

                        Apport maximal tolérable : Not formally established; GI discomfort common above 10,000 mg/day
                    

                

                
            

            

                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 L-Arginine help with Heart Failure?
            
        
        

            Based on 3 studies with 150 participants, there is preliminary evidence that needs more research that L-Arginine may support Heart Failure management. Our evidence grade is D (Very Early Research).
        

    

    
    

        
            How much L-Arginine should I take for Heart Failure?
            
        
        

            Studies have used various dosages. A commonly studied range is 3,000-6,000 mg/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of L-Arginine?
            
        
        

            Reported side effects may include Gastrointestinal discomfort (nausea, diarrhea, bloating), Hypotension at high doses, Worsening of herpes simplex (arginine promotes viral replication), Potential harm in acute post-MI patients (VINTAGE MI concern). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for L-Arginine and Heart Failure?
            
        
        

            We rate the evidence as Grade D (Very Early Research). This rating is based on 3 peer-reviewed studies with 150 total participants. The overall direction of effect is mixed.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
                

                    
L-Arginine pour d'autres pathologies

                    

                        
                        
                            Endothelial Dysfunction
                            C

                        
                        
                    

                

                
            

        

        

    


    
    












    

        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.