Hi mjwinslo,
We don't test our products specifically for nerve regeneration for the foot, having an increase in blood flow would not hurt in any way.
Keep in mind that if there is any loss of sensation in the foot we would advise against using the BFST as you would not be able to tell if the device was stimulating a gentle warming sensation, or if the BFST was too strong for your foot during application.
Keep in mind that all KingBrand purchases are 100% Risk Free, meaning that you are able to try them for yourself, and if you're not satisfied or are not getting the results that you expected, you're welcome to return them within our 30 day return window.
Please let me know if you have any further questions or concerns.
Regards,
Megan
