FSA's and HSA's are awesome perks that you already pay for! Depending on your insurance, you may qualify to pay for supplements using your FSA/HSA account. We suggest that you reach out to your HR professional/insurance company for guidance. Here are some helpful links to give you more information in the meantime!:
https://fsastore.com/fsa-eligibility-list
https://hsastore.com/hsa-eligibility-list