I’ve been taking supplements from Nuphoria. They are very high in B6. According to them there are 2 types of B6. Even though when I tested for B6 it came out sky high, I was told that they both test the same. According to them, taking high doses of one is perfectly safe and one is toxic. I’ve heard this from a couple of other sources as well. None of the neurologists I’ve seen have heard of this. Here is a link to their YouTube video. https://www.youtube.com/watch?v=KIM_J93ycvA