This **vitamin B6** delivers a full 100mg dose for energy production and neurotransmitter support, in the active P5P form your body can put to work immediately — no liver conversion needed, which is a real advantage if you're among the people who convert standard B6 poorly. At 100mg you're at the top of the supplemental range, well-covered for amino acid metabolism and building mood-regulating chemicals like serotonin and dopamine.

The key thing to know: 100mg sits right at the long-standing 100mg daily upper limit for B6, the one B vitamin with a real toxicity ceiling. Chronic high-dose B6 has been linked to reversible nerve tingling and numbness, and European regulators now flag risk at far lower intakes. The active form is gentler here, but at this dose B6 is worth taking with intention — ideally under a practitioner's guidance for daily long-term use, and not stacked on top of other B6 sources.

BioStacks
Life Extension

Pyridoxal 5'-Phosphate Caps 100 mg

1 Capsule · 60 servings · $0.28/serving

iHerbAmazon

Best for

Energy

Ingredients (1)

Vitamin B6

100%

Dose

100 mg

Target

25–100 mg

Form

Premium

Other Ingredients (4)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Vegetable StearateLubricant

A plant-derived salt of stearic acid (typically magnesium or calcium) used as a tablet lubricant

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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