I take B6 in the P5P form....good to do research on these and don't just buy one opinion. I take 50mg nightly and this also helps me get my 8-10 hrs of good REM healing sleep.

What Are the Health Benefits of P5P? | Livestrong.com

OP: Have you considered working with Inosine, I have talked about how it helps my burn/tingle issues.