Can I use my FSA to buy protein shakes? What you need to know
                                
                                
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                                    4 min read                                
                            
                                According to the IRS, items must have a medical purpose to be FSA eligible. This makes the question, "Can I use my FSA to buy protein shakes?", a nuanced issue that depends on why they are being used. Typically, protein shakes for general wellness are not covered, but exceptions exist for specific medical needs.