DOSERANKEVIDENCE-BASED SUPPLEMENTS© 2026 DoseRank · Evidence-based supplements
Methodology·Outcomes·Categories·Blog
Support·Feedback
DOSERANKEVIDENCE-BASED SUPPLEMENTSFull analysis

The short answer · Vitamin B6 status

Take pyridoxine hcl for vitamin b6 status. This is the one to buy.

NOW Foods, B-6, 100 mg, 250 Veg Capsules
1

NOW Foods, B-6, 100 mg, 250 Veg Capsules

4.8· 7,562 ratings· $0.05/serving

DoseRank score88

Pyridoxine HCl 100 mg — inside the studied 1-100 mg window

Of 3,422 products scored for Vitamin B6 status, NOW Foods, B-6, 100 mg, 250 Veg Capsules ranks #1 with a DoseRank score of 88. Pyridoxine HCl is the strongest evidence signal for this outcome.

View on iHerb— $0.05/sv60-sec quiz instead
Cheaper alternative$0.05 per serving21st Century, Vitamin B-6, 110 Tablets

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Pyridoxine HCl — not Pyridoxal-5-Phosphate?”Evidence Strong evidence

Pyridoxine HCl is the strongest evidence signal for this outcome.

  • Pyridoxine HClThe pick

    Strong evidence · 100 mg

    The most common, inexpensive form of vitamin B6; well absorbed but must convert to active P5P, the preferred form for those with conversion issues.

  • Pyridoxal-5-Phosphate

    Strong evidence · 50 mg (calculated)

    The active, coenzyme form of vitamin B6; ready for immediate metabolic use without hepatic conversion, preferred for those with impaired B6 phosphorylation.

Buy the #1 pick
The dose“Is the dose actually effective?”Dose fit 90

Pyridoxine HCl at 100 mg lands inside the studied 1-100 mg window.

Pyridoxine HCl

Studied window 1-100 mg · this pick 100 mg

The ranking“Why should I trust this pick?”Trust 95

Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.

  • 3,422 products scored
  • Never paid placement
  • Evidence level: Strong · 92
  • 344 brands
  • 4 ingredients
See the full analysis — every score, every productHow the ranking works
The price“Can I do better than $0.05 a serving?”Value 92

$0.05 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.05 per serving.

  • 2
    21st Century, Vitamin B-6, 110 TabletsScore 87 · $0.05/serving
    iHerb

Why not the absolute cheapest? The DoseRank score also weighs clinical strength, evidence, dose fit and trust — the very cheapest listings rarely hold up everywhere else.

Ready?

The #1 pick is $0.05 a serving.

NOW Foods, B-6, 100 mg, 250 Veg Capsules — in stock at a tracked retailer.

View on iHerb
Want it personal instead?

A saved, shareable breakdown: your matched products, dose math, and interaction flags to discuss with a clinician.

Or take the 60-sec quiz →

Questions

Frequently asked

NOW Foods, B-6, 100 mg, 250 Veg Capsules ranks #1 for Vitamin B6 status with a DoseRank score of 88. The score blends clinical strength, evidence, dose fit, trust signals and value across 3,422 products scored for this outcome.

Pyridoxine HCl is the strongest evidence signal for this outcome.

Pyridoxine HCl at 100 mg lands inside the studied 1-100 mg window. DoseRank scores this product's dose fit at 90 out of 100.

NOW Foods, B-6, 100 mg, 250 Veg Capsules works out at $0.05 per serving. $0.05 per serving — low price tier for this outcome. The cheapest ranked pick here is $0.05 per serving.

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

Use rankings as research support

DoseRank rankings are informational and not medical advice. If you are pregnant, breastfeeding, using medications, or managing a health condition, ask a qualified clinician whether a supplement fits your situation. Stop use and report concerning adverse events to a clinician, the product maker, or the retailer.

Disclosure

Retailer links may be affiliate links. Rankings and placement are not paid placement.

NOW Foods, B-6, 100 mg, 250 Veg Capsules

$0.05/serving · ★ 4.8 · In stock

60-sec quizView on iHerb