Vitamin B6

Also known as: pyridoxine, pyridoxal, pyridoxamine, pyridoxine hcl

Water-soluble vitamin involved in over 100 enzyme reactions, primarily in protein metabolism. Important for brain development, immune function, and hemoglobin production.

1.3mgRDARecommended Dietary Allowance — the daily intake sufficient for 97-98% of healthy adults. Set by the National Institutes of Health.

100mgUpper LimitTolerable Upper Intake Level (UL) — the maximum daily dose unlikely to cause adverse health effects. Exceeding this consistently may increase toxicity risk.

100ProductsNumber of supplements in our database that contain this ingredient.

2Health ClaimsNumber of researched health benefits associated with this ingredient, rated by evidence strength (strong/moderate/weak).

2Side EffectsNumber of documented side effects from clinical literature and adverse event reports.

Health Claims & Evidence

moderateSupports brain function

Involved in neurotransmitter synthesis including serotonin and dopamine. Cofactor for over 100 enzyme reactions.

82 studies on PubMed

strongMay reduce homocysteine

B6 is a cofactor in the transsulfuration pathway, converting homocysteine to cysteine. This is a separate pathway from the B12/folate remethylation route.

302 studies on PubMed