Vitamins Most popular form

Pyridoxine HCl

Also called Standard B6

Pyridoxine hydrochloride is the most common supplemental form of B6. It is converted into the active pyridoxal 5-phosphate (P5P) in the liver. For most users this form is effective and inexpensive, especially at modest doses under 50 mg/day.

Best for

General neurotransmitter and homocysteine support

Absorption

High

Tolerability

Well tolerated at standard doses

Typical timing

Morning or divided with meals; avoid high single doses late at night

How to take Pyridoxine HCl

A typical dose of Vitamin B6 (Pyridoxine): 1.3–2 mg RDA; 10–50 mg for therapeutic support. Best timing: Morning or divided with meals; avoid high single doses late at night. The form you choose mainly affects absorption and how easily it sits with your stomach, not the overall dose.

Pyridoxine HCl vs other Vitamin B6 (Pyridoxine) forms