Vitamin B-6 100 mg — Tablets, 100 — Supports Nervous System Health & Mood Balance*
Lifesource Vitamins Vitamin B-6 delivers clinically studied pyridoxine HCl to support neurotransmitter production, nervous-system health, energy metabolism, and women’s health (PMS/NVP). Produced in FDA-registered, GMP-certified facilities and 3rd-party lab tested for identity, potency & purity.*
Research-Driven & Verified Product.
Explore the clinical research, ingredient science, and global evidence supporting this product below.
Research Promise: At Lifesource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. In addition, we reference reviews from 39 leading health organizations and insights from 20 top global universities to ensure our guidance aligns with credible science.*
Clinically Studied Benefits (with research)
✓ PMS symptom support* — Systematic review of randomized trials concluded vitamin B-6 (up to 100 mg/day) is likely beneficial for premenstrual symptoms and premenstrual depression.*
NIH/PMC — Wyatt, 1999
✓ Nausea of early pregnancy (NVP)* — Double-blind RCTs show pyridoxine significantly reduces nausea severity versus placebo.*
NIH/PubMed — Sahakian, 1991
✓ Nausea of early pregnancy (NVP) — additional RCT evidence* — Pyridoxine reduced nausea severity in early pregnancy in a double-blind, placebo-controlled trial.*
NIH/PubMed — Vutyavanich, 1995
✓ Anxiety/stress support in select adults* — Randomized trial found high-dose B-6 reduced self-reported anxiety versus placebo over one month.*
NIH/PMC — Field, 2022
✓ PMS improvement versus comparators* — Randomized trial compared B-6 to a micronutrient formula for PMS; both groups improved with signals favoring broad micronutrients, supporting B-6’s role in PMS care.*
NIH/PubMed — Retallick-Brown, 2020
Additional / Promising Evidence
✓ Carpal tunnel syndrome support (mixed evidence)* — Human trials are mixed: one RCT found no advantage for B-6 over conservative care, while another reported symptom improvement; overall evidence remains inconsistent.*
NIH/PubMed — Stransky, 1989
✓ Carpal tunnel syndrome — additional trial and review context* — Additional trial data and review discussion report variable symptom outcomes across studies.*
NIH/PubMed — Talebi, 2013
✓ Carpal tunnel syndrome — review summary* — Review literature summarizes mixed and inconsistent findings across human studies.*
NIH/PMC — Ryan-Harshman, 2007
University-Led & Academic Studies
✓ PMS — RCT and meta-analysis evidence* — Randomized studies and analyses report B-6 improves PMS symptom scores in some populations.*
NIH/PMC — Wyatt, 1999
✓ PMS — additional RCT evidence* — Randomized trial evidence supports B-6 use for PMS symptom measures in some populations.*
NIH/PubMed — Kendall, 1987
✓ NVP — RCT evidence* — Pyridoxine reduced nausea severity in early pregnancy in double-blind, placebo-controlled trials.*
NIH/PubMed — Sahakian, 1991
Global Evidence & Reviews
✓ Systematic review evidence for PMS support* — Systematic review of randomized trials summarizes vitamin B-6 outcomes for premenstrual symptoms.*
NIH/PMC — Wyatt, 1999
✓ Trial evidence for early-pregnancy nausea support* — Double-blind RCT data supports pyridoxine’s role in nausea severity outcomes.*
NIH/PubMed — Vutyavanich, 1995
✓ Human evidence for anxiety measures (select adults)* — Placebo-controlled human study evaluates B-6 and anxiety-related outcomes.*
NIH/PMC — Field, 2022
We monitor research from leading institutions —
Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge, Oxford, Stanford, Yale, Tufts, University of Florida, Oregon State University – Linus Pauling Institute, Columbia, Cornell, Ohio State — to align with credible science.*
Key Ingredients
- Vitamin B-6 (Pyridoxine HCl)*
Brief Benefit Bullets
- Supports healthy neurotransmitter synthesis & nervous-system function*
- Clinically studied for PMS symptom relief and early-pregnancy nausea*
- Helps normal energy metabolism (coenzyme roles)*
- May reduce perceived stress/anxiety in select adults (RCT)*
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3rd-party lab tested for purity & potency*
Suggested Use
Take 1 tablet daily with a meal, or as directed by your healthcare professional. Do not exceed recommended dose. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*
Product Specifications
Serving Size — 1 Tablet
Servings Per Container — 100
Form — Tablets
Free From — Non-GMO, gluten-free, vegan*
Quality — Third-party tested for identity, potency & purity*
LifeSource Vitamins — Proudly American — Since 1992
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Vitamin B-6 100 mg supports nervous system health, neurotransmitter balance, and women’s wellness support with human-study citations. Clinically Studied Ingredients — NIH/PubMed!*
