What Vitamins Should I Avoid with Fosamax?
                                
                                
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                                    4 min read                                
                            
                                Fosamax, or alendronate, is poorly absorbed by the body, with less than 1% of the drug reaching the bloodstream. To maximize its effectiveness, it is critical to know what vitamins should I avoid with Fosamax, specifically those containing minerals that interfere with absorption.