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Vitamin B12 per Post-Bariatric Nutritional Support

B

B12 deficiency occurs in 19-35% of post-bariatric patients due to reduced intrinsic factor and acid secretion. ASMBS guidelines mandate lifelong B12 supplementation (at least 1,000 mcg/day sublingual or 1,000 mcg/month IM). Deficiency causes neuropathy and anemia.

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In sintesi

            
            
B12 deficiency occurs in 19-35% of post-bariatric patients due to reduced intrinsic factor and acid secretion. ASMBS guidelines mandate lifelong B12 supplementation (at least 1,000 mcg/day sublingual or 1,000 mcg/month IM). Deficiency causes neuropathy and anemia.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
10

        
Studi

    

    

        
1000

        
Partecipanti

    

    

        
            
            ↑
            
        
        
Positive

    

    

        B

        
Grado

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
Dosaggi di uso comune

                

                    
                    

                        
vegans:

                        
250-1,000 mcg/day

                    

                    
                    

                        
general:

                        
2.4 mcg/day (RDA)

                    

                    
                    

                        
metforminusers:

                        
1,000 mcg/day

                    

                    
                    

                        
supplementation:

                        
500-1,000 mcg/day methylcobalamin

                    

                    
                

                
                

                    Limite massimo: No established UL (water-soluble, excess excreted)
                

                
            

            

            

            
            

                Momento migliore per l'assunzione: Morning (may provide energy boost); sublingual for better absorption; separate from vitamin C (
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
Effetti collaterali segnalati

                    
    
                        
                        
  • 
                            ⚠
                            Acne (rare, at high doses)
                        
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                            ⚠
                            Diarrhea (rare)
                        
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                            ⚠
                            Generally very well tolerated
                        
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Interazioni note

                    
    
                        
                        
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                            ●
                            Metformin (depletes B12 — monitor levels)
                        
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                            ●
                            Proton pump inhibitors (reduced absorption)
                        
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                            H2 receptor antagonists (reduced absorption)
                        
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                            ●
                            Colchicine (reduced absorption)
                        
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                        Livello di assunzione massimo tollerabile: No established UL (water-soluble, excess excreted)
                    

                

                
            

            

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

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Vitamin B12 help with Post-Bariatric Nutritional Support?
            
        
        

            Based on 10 studies with 1,000 participants, there is moderate evidence from clinical studies that Vitamin B12 may support Post-Bariatric Nutritional Support management. Our evidence grade is B (Good Evidence).
        

    

    
    

        
            How much Vitamin B12 should I take for Post-Bariatric Nutritional Support?
            
        
        

            Studies have used various dosages. A commonly studied range is 250-1,000 mcg/day. Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Vitamin B12?
            
        
        

            Reported side effects may include Acne (rare, at high doses), Diarrhea (rare), Generally very well tolerated. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Vitamin B12 and Post-Bariatric Nutritional Support?
            
        
        

            We rate the evidence as Grade B (Good Evidence). This rating is based on 10 peer-reviewed studies with 1,000 total participants. The overall direction of effect is positive.
        

    

    




        

        

        
        
        

            

  
Related Evidence





            

                
                

                    
Altri ingredienti per Post-Bariatric Nutritional Support

                    

                        
                        
                            Iron
                            B

                        
                        
                        
                            Whey Protein
                            B

                        
                        
                    

                

                

                
                

                    
Vitamin B12 per altre condizioni

                    

                        
                        
                            Slow Metabolism
                            C

                        
                        
                    

                

                
            

        

        

    


    
    












    

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        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.