B Vitamins Complex --- Methylated/Coenzymated B-Vitamins — Supports Energy Metabolism & Brain Health 12 Synergistic Ingredients*
LifeSource Vitamins Methyl-B Complex delivers bioactive, methylated B-vitamins (B-1, B-2, B-3, B-5, P-5-P (B-6), methylcobalamin (B-12), 5-MTHF folate, biotin) with choline, inositol, PABA, CoQ10, and alpha-lipoic acid to support cellular energy metabolism, brain and nervous-system health, red blood cell formation, and homocysteine metabolism. 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)
✓ Corrects B-12 deficiency (hematologic & neurologic)* — High-dose oral B-12 demonstrated effectiveness comparable to injections in randomized trials for deficiency, normalizing biomarkers and supporting clinical outcomes.*
NIH/PubMed — Vidal-Alaball, 2005
✓ Supports nerve function with methylcobalamin (B-12)* — Oral methylcobalamin improved neurophysiology, sudomotor function, pain, and quality of life versus placebo in a double-blind RCT.*
NIH/PMC — Didangelos, 2021
✓ Supports brain structure in mild cognitive impairment (MCI) subgroup* — Folic acid, B-6, and B-12 slowed whole-brain atrophy on MRI versus placebo in older adults with elevated homocysteine (DB-RCT).*
NIH/PMC — Smith, 2010
✓ Supports cognition in folate-insufficient older adults* — Three-year folic acid supplementation improved memory and processing speed versus placebo in older adults with low baseline folate (DB-RCT).*
NIH/PubMed — Durga, 2005
✓ Supports mood and perceived stress in stressed adults* — B-complex formulations reduced perceived stress and improved mood/well-being in randomized, placebo-controlled trials.*
NIH/PMC — Stough, 2014
✓ Adjunctive methylfolate support for mood in select adults* — L-methylfolate improved depressive symptoms when added to SSRI therapy in SSRI-resistant major depression (DB-RCTs).*
NIH/PubMed — Papakostas, 2012
Additional / Promising Evidence
✓ Supports healthy homocysteine metabolism* — Although B-vitamins (including folate, B-6, and B-12) can lower homocysteine, large outcome RCTs did not reduce major cardiovascular events.*
NIH/PubMed — HOPE-2 Investigators, 2006
✓ Alpha-lipoic acid support for neuropathic symptoms in select groups* — Human trials suggest symptom improvements in diabetic neuropathy; effect sizes vary by dose/route and more oral RCTs are needed.*
NIH/PubMed — Ziegler, 2004
✓ CoQ10 support for fatigue/energy in select populations* — Some RCTs report modest improvements in fatigue or exercise capacity; findings are heterogeneous.*
NIH/PubMed — Littarru, 2012
University-Led & Academic Studies
✓ Oral vs IM B-12 for deficiency* — Randomized trials and reviews compare oral and injection approaches for B-12 deficiency management.*
NIH/PubMed — Vidal-Alaball, 2005
✓ Homocysteine & brain atrophy in MCI* — Double-blind RCT evaluating a B-vitamin trio for brain-atrophy outcomes in an MCI subgroup.*
NIH/PMC — Smith, 2010
✓ Stress and mood outcomes with B-complex* — Academic RCTs in healthy but stressed adults report improvements in perceived stress and well-being.*
NIH/PubMed — Kennedy, 2010
✓ L-methylfolate adjunct support in SSRI-resistant depression (select adults)* — Multi-center trials evaluated L-methylfolate as an adjunct to SSRI therapy with symptom improvement outcomes.*
NIH/PubMed — Papakostas, 2014
Global Evidence & Reviews
✓ Systematic review evidence on oral B-12 therapy* — Reviews and pooled analyses summarize oral B-12 effectiveness for deficiency support.*
NIH/PMC — Cochrane, 2018
✓ Clinical trial evidence on methylcobalamin for nerve function* — Human RCTs evaluate methylcobalamin outcomes in neuropathy-related measures.*
NIH/PMC — Didangelos, 2021
✓ Human trials on B-complex and stress-related outcomes* — Randomized, placebo-controlled research evaluates perceived stress and mood measures in stressed adults.*
NIH/PMC — Stough, 2014
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
- Methylated/Coenzymated B-Vitamins (including P-5-P, methylcobalamin, 5-MTHF folate, biotin)*
- Choline*
- Inositol*
- PABA*
- CoQ10*
- Alpha-lipoic acid*
Brief Benefit Bullets
- Supports cellular energy metabolism (coenzyme roles of B-vitamins)*
- Helps maintain healthy homocysteine metabolism*
- Supports neurologic function & myelin with adequate B-12 status*
- May support mood and stress in select groups (human RCTs)*
-
3rd-party lab tested for purity & potency*
Suggested Use
See product label for suggested use.*
Product Specifications
See Supplement Facts label.*
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.
Daily methylated B-vitamin support for energy metabolism, brain health, and homocysteine metabolism with 12 synergistic ingredients and 3rd-party testing. Clinically Studied Ingredients — NIH/PubMed!*
