Approximately thirty five million Americans are covered by a Flexible Spending Accounts and another 20 million by Health Savings Accounts . FSAs and HSAs are employer based programs that allow consumers to set aside dollars on a tax free basis to purchase medical products and services from bandaids to smoking cessation programs and tens of thousands of products and services in between.Approximately thirty five million Americans are covered by a Flexible Spending Accounts and another 20 million by Health Savings Accounts . FSAs and HSAs are employer based programs that allow consumers to set aside dollars on a tax free basis to purchase medical products and services from bandaids to smoking cessation programs and tens of thousands of products and services in between.