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Niacinamide per Acne

A

A systematic review found topical niacinamide (4%) showed comparable efficacy to 1% clindamycin for acne. Oral nicotinamide supports sebum regulation and anti-inflammatory effects through NF-kB modulation.

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            A

        

        

            
In sintesi

            
            
A systematic review found topical niacinamide (4%) showed comparable efficacy to 1% clindamycin for acne. Oral nicotinamide supports sebum regulation and anti-inflammatory effects through NF-kB modulation.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
15

        
Studi

    

    

        
1200

        
Partecipanti

    

    

        
            
            ↑
            
        
        
Positive

    

    

        A

        
Grado

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Dosaggi di uso comune

                

                    
                    

                        
general:

                        
14-16 mg/day NE (RDA)

                    

                    
                    

                        
skinhealth:

                        
500-1,500 mg/day oral nicotinamide

                    

                    
                

                
                

                    Limite massimo: 35 mg/day for niacin (flushing form); nicotinamide well-tolerated up to 3,000 mg/day
                

                
            

            

            

            
            

                Momento migliore per l'assunzione: With meals; can be split into 2-3 doses
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effetti collaterali segnalati

                    
    
                        
                        
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                            ⚠
                            Generally well-tolerated (no flushing unlike niacin)
                        
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                            Mild gastrointestinal discomfort at high doses
                        
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                            Rare hepatotoxicity at very high doses (> 3,000 mg/day)
                        
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Interazioni note

                    
    
                        
                        
  • 
                            ●
                            Anticonvulsants (carbamazepine — may increase niacinamide levels)
                        
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                            ●
                            Hepatotoxic drugs (potential additive liver effect at high doses)
                        
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                            Isoniazid (competes for NAD+ pathways)
                        
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                        Livello di assunzione massimo tollerabile: 35 mg/day for niacin (flushing form); nicotinamide well-tolerated up to 3,000 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 Niacinamide help with Acne?
            
        
        

            Based on 15 studies with 1,200 participants, there is strong evidence from multiple clinical trials that Niacinamide may support Acne management. Our evidence grade is A (Strong Evidence).
        

    

    
    

        
            How much Niacinamide should I take for Acne?
            
        
        

            Studies have used various dosages. A commonly studied range is 14-16 mg/day NE (RDA). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Niacinamide?
            
        
        

            Reported side effects may include Generally well-tolerated (no flushing unlike niacin), Mild gastrointestinal discomfort at high doses, Rare hepatotoxicity at very high doses (> 3,000 mg/day). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Niacinamide and Acne?
            
        
        

            We rate the evidence as Grade A (Strong Evidence). This rating is based on 15 peer-reviewed studies with 1,200 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                
                

                
                

                    
Niacinamide per altre condizioni

                    

                        
                        
                            UV Protection (Internal Photoprotection)
                            A

                        
                        
                    

                

                
            

        

        

    


    
    












    

        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.