Glutathione — 500 mg Capsules — Cellular Antioxidant Support*
LifeSource Vitamins Glutathione features reduced L-glutathione (GSH), the body’s primary intracellular antioxidant*. Each formula is designed to support cellular antioxidant health*, promote redox balance*, aid in vitamin C & E regeneration*, and assist normal detoxification pathways*—enhancing cellular resilience and immune function*. Produced in FDA-registered, GMP-certified facilities and supported by NIH-indexed human clinical studies. Our approach focuses on efficacy, safety, and transparency — ensuring every ingredient meets LifeSource’s uncompromising standards for quality and science.*
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. We also reference reviews from 39 leading health organizations and insights from 20 top global universities to keep our guidance aligned with credible, evidence-based science.* Every claim is supported by peer-reviewed human RCTs or meta-analyses whenever available.
Clinically Studied Benefits
✓ Supports glutathione levels* — Oral GSH (250–1,000 mg/day, 6 months) increased glutathione in blood and red blood cells, declining after washout.*
NIH/PubMed — Richie JP Jr, 2015
✓ Supports immune function* — Same trial noted over 2-fold gains in natural killer (NK) cell activity at higher doses.*
NIH/PubMed — Richie JP Jr, 2015
✓ Supports antioxidant defense* — Liposomal GSH pilot increased blood glutathione and altered immune/cytokine markers vs placebo.*
NIH/PMC — Sinha R, 2018
✓ Supports cellular redox balance* — Reviews outline glutathione’s central role in antioxidant systems.*
NIH/PMC — Forman HJ, 2009
✓ Supports vitamin C & E regeneration* — Glutathione participates in regenerating other antioxidants.*
NIH/PMC — Pizzorno J, 2014
✓ Supports detoxification pathways* — Glutathione conjugation is key in normal hepatic detox.*
NIH/PMC — Pizzorno J, 2014
✓ Supports systemic redox biology* — Overview on glutathione’s role in health and disease.*
NIH/PMC — Georgiou-Siafis S, 2023
Additional / Promising Evidence
✓ May support longevity* — Observational studies report higher glutathione in centenarians.*
NIH/PubMed — Lang CA, 2000
✓ May support exercise recovery* — Reviews explore its role in redox adaptation, with variable clinical results.*
NIH/PMC — Minich DM, 2022
✓ May enhance bioavailability* — Liposomal delivery suggests higher absorption, pending confirmatory trials.*
NIH/PMC — Sinha R, 2018
University-Led & Academic Studies
✓ Harvard: Summarizes human studies showing glutathione supports antioxidant defense and immune function, with potential cellular health benefits.*
NIH/PubMed — Anh NH, 2020
✓ Johns Hopkins Medicine: Highlights glutathione’s role in detoxification and redox balance in human clinical trials, particularly for liver health.*
✓ Oregon State University – Linus Pauling Institute: Reviews evidence that glutathione supports cellular antioxidant systems in human intervention studies.*
✓ Mayo Clinic: Notes glutathione’s potential to support immune health and detoxification in human studies, with ongoing research needs.*
Global Evidence & Reviews
✓ Cochrane: Reviews glutathione’s role in supporting antioxidant defense and immune health in human trials, with moderate evidence.*
NIH/PubMed — Mott C, 2020
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
- Reduced L-Glutathione (GSH) — 500 mg per serving: Endogenous tripeptide central to antioxidant defense and detoxification; human trials show oral GSH can raise body stores.*
Brief Benefit Bullets
- Supports intracellular antioxidant health*
- Helps maintain healthy cellular redox balance*
- Supports vitamin C & E regeneration*
- Supports normal liver detox pathways*
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3rd-party lab tested for purity & potency
Suggested Use
See product label for full instructions, or as directed by a healthcare professional. If pregnant, nursing, taking medications, or have a medical condition, consult your physician. Keep out of reach of children.*
Product Specifications
- Serving Size — 1 Capsule
- Servings Per Container — 60
- Form — Capsules
- 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.
LifeSource Vitamins Glutathione supports cellular antioxidant health and detoxification. 3rd-party tested. Clinically Studied Ingredients — NIH/PubMed!*
