Yes, you can invest the funds in your health savings account. Please read the “Investment Toolkit” located on the TASC splash page at: https://www.tasconline.com/clients/st-of-tn/.For more information please call TASC customer care at (800) 575-6277. The state of Tennessee Treasury Department has selected an array of 12 Vanguard mutual funds from which to choose your investments.
Even if you do not invest the funds, the money will earn interest at the current rate.