Its usefulness is stated even in medical textbooks, and they are using the pyridoxine type. Too much can be a problem, but too little is damaging.

P-5-P is a better bet, as MrsD has shown us for a very long time.

B6 (especially pyridoxine) is certainly not a vitamin to take in super mega-doses without good reason, but it is important to make sure one is getting enough in a form that can be used.

rose