I don't have any personal experience with red light therapy outside of infrared in the hand therapist's office, so I went looking for any non-commercial evaluation - here is a long discussion on many promising uses: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5523874/
If you work you way through to find your kind of pain, you can probably find a direct reference or two to the actual studies.
Can you tell us a little about what type of pain you are dealing with, and what you have tried already?
Sue

Thank you for the link - I'm currently trying SWT (Sound Wave Therapy). ?? We'll see.... All the best, J

If you're looking for the best because you want to buy something for at-home that you can use on yourself, please reconsider as this is a laser according to the study cited and people have been damaged by laser procedures on other than well-trained personnel.

And even safe 'wave' technology can be misused. Check out the people whose faces were destroyed by the one-time-hottest-new-trend Ultherapy using 'safe ultrasound' that went too far below the epidermal surface and destroyed fascia, muscle, and tendons after first removing the layers of skin first.

Most of these wave technologies can be easily misused by the insufficiently-trained. A TENS unit saved me from surgery. But it's easy to want to up the ante and push the settings for more power or 'faster results' and regret it. Slow and steady was the motto my orthopedic surgeon stressed.

Hello @jaycurci. I found an existing discussion in the Neuropathy group with a number of members and comments so you will notice I have moved your post and the replies to you post here: https://connect.mayoclinic.org/discussion/neuropathy-1/

You can select "View and Reply" and scroll back through the discussion if you'd like to see what others have already shared!