P5P (Pyridoxal 5-Phosphate)
Also called Active B6
P5P is the active coenzyme form of vitamin B6. It is a good choice for people with compromised liver function, certain genetic variants, or those who have not responded to pyridoxine. It is generally dosed at 10–25 mg, lower than standard pyridoxine because it is already active.
Best for
People with poor liver conversion or specific neurotransmitter concerns
Absorption
High
Tolerability
Well tolerated; lower doses are usually needed
Typical timing
Morning or divided with meals; avoid high single doses late at night
How to take P5P (Pyridoxal 5-Phosphate)
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.