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HeartCited

L-Arginine per 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

        

        

            
In sintesi

            
            
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

        
Studi

    

    

        
150

        
Partecipanti

    

    

        
            
            ↔
            
        
        
Mixed

    

    

        D

        
Grado

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Dosaggi di uso comune

                

                    
                    

                        
endothelialfunction:

                        
3,000-6,000 mg/day

                    

                    
                    

                        
bloodpressuresupport:

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

                    

                    
                

                
                

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

                
            

            

            

            
            

                Momento migliore per l'assunzione: On empty stomach for best absorption; divide doses throughout the day
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effetti collaterali segnalati

                    
    
                        
                        
  • 
                            ⚠
                            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)
                        
    • 
                        
                    

                

                

                
                

                    
Interazioni note

                    
    
                        
                        
  • 
                            ●
                            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)
                        
    • 
                        
                    

                

                

                
                

                    

                        Livello di assunzione massimo tollerabile: Not formally established; GI discomfort common above 10,000 mg/day
                    

                

                
            

            

                Consultare sempre il proprio medico prima di iniziare qualsiasi integratore.Consultate sempre il vostro medico prima di iniziare qualsiasi integratore.
            

        

        

        
        
        

            

  
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 per altre condizioni

                    

                        
                        
                            Endothelial Dysfunction
                            C

                        
                        
                    

                

                
            

        

        

    


    
    












    

        Avvertenza FDA:
        Queste affermazioni non sono state valutate dalla Food and Drug Administration. I prodotti e le informazioni presenti su questo sito web non sono destinati a diagnosticare, trattare, curare o prevenire alcuna malattia. I gradi di evidenza presentati si basano sulla nostra analisi della ricerca pubblicata e sottoposta a revisione paritaria e non costituiscono consulenza medica. Consultate sempre il vostro medico prima di iniziare qualsiasi regime di integrazione.