Can I purchase supplies using my HSA/FSA? March 08, 2023 18:39 Updated No, replacement heads and paste do not fall under what the IRS deems as eligible medical expenses. Related articles How do I know if the brush heads available in the Beam Shop will fit my toothbrush? Enrollment Who do I contact if my client needs to get their invoice corrected? How can I reach Beam Benefits customer support? Can I place a tax exempt order?