[rapsey]

For good reason. ZMA is taken for exercise and B6 is depleted by exercise.

[amelius]

So if you take these pills how do you check if you are in the safe zone, away from nerve damage?

[rapsey]

You don't. Such is life.

[amelius]

I mean, you could take a blood sample and send it to a lab, at least once? But I'm curious what the easiest way would be.

[rapsey]

My life improved immensely after B6 supplementation, never once has a blood test shown I am deficient.

[amelius]

It might still be a good idea to check if your level is now too high ...