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Iron 用于 Post-Bariatric Nutritional Support

B

Iron deficiency occurs in 33-55% of post-bariatric patients. ASMBS guidelines recommend 45-60 mg elemental iron/day after gastric bypass. Ferrous bisglycinate is the preferred form for tolerability. Monitoring every 3-6 months is mandatory.

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结论

            
            
Iron deficiency occurs in 33-55% of post-bariatric patients. ASMBS guidelines recommend 45-60 mg elemental iron/day after gastric bypass. Ferrous bisglycinate is the preferred form for tolerability. Monitoring every 3-6 months is mandatory.

            
            
        

    











    
    

        
        

            

  
Key Statistics





            


    

        
10

        
研究数量

    

    

        
1000

        
受试者

    

    

        
            
            ↑
            
        
        
Positive

    

    

        B

        
等级

    




        


        
        

        
        
        

            

  
Dosage & Usage





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


            
            

                
常用剂量

                

                    
                    

                        
general:

                        
8-18 mg/day (RDA)

                    

                    
                    

                        
menstruatingwomen:

                        
18 mg/day

                    

                    
                    

                        
deficiencycorrection:

                        
100-200 mg elemental iron/day under medical guidance

                    

                    
                

                
                

                    上限： 45 mg/day (elemental iron); excess iron increases oxidative stress
                

                
            

            

            

            
            

                最佳服用时间： On empty stomach with vitamin C for absorption; avoid with calcium, coffee, tea
            

            
        

        

        
        
        

            

  
Safety & Side Effects





            

                
                

                    
已报告的副作用

                    
    
                        
                        
  • 
                            ⚠
                            Constipation
                        
    • 
                        
                        
  • 
                            ⚠
                            Nausea
                        
    • 
                        
                        
  • 
                            ⚠
                            Stomach pain
                        
    • 
                        
                        
  • 
                            ⚠
                            Black stools
                        
    • 
                        
                        
  • 
                            ⚠
                            Oxidative stress (excess iron)
                        
    • 
                        
                    

                

                

                
                

                    
已知相互作用

                    
    
                        
                        
  • 
                            ●
                            Levothyroxine (reduced absorption — take 4 hours apart)
                        
    • 
                        
                        
  • 
                            ●
                            Tetracycline antibiotics (reduced absorption)
                        
    • 
                        
                        
  • 
                            ●
                            Calcium supplements (reduced absorption)
                        
    • 
                        
                        
  • 
                            ●
                            Proton pump inhibitors (reduced absorption)
                        
    • 
                        
                    

                

                

                
                

                    

                        可耐受最高摄入量： 45 mg/day (elemental iron); excess iron increases oxidative stress
                    

                

                
            

            

                在开始服用任何补充剂之前，请务必咨询您的医疗保健提供者。
            

        

        

        
        
        

            

  
Frequently Asked Questions





            




    
    

        
            Does Iron help with Post-Bariatric Nutritional Support?
            
        
        

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

    

    
    

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

            Studies have used various dosages. A commonly studied range is 8-18 mg/day (RDA). Always consult your healthcare provider before starting any supplement regimen.
        

    

    
    

        
            Are there side effects of Iron?
            
        
        

            Reported side effects may include Constipation, Nausea, Stomach pain, Black stools. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
        

    

    
    

        
            How strong is the evidence for Iron 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





            

                
                

                    
其他成分用于 Post-Bariatric Nutritional Support

                    

                        
                        
                            Vitamin B12
                            B

                        
                        
                        
                            Whey Protein
                            B

                        
                        
                    

                

                

                
                
                
            

        

        

    


    
    












    

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