Peptide Injections AI
Glutathione peptide therapy
Anti-Aging & LongevityStrong Evidence

Glutathione Peptide Therapy

Benefits, Side Effects, Cost & Protocols

Glutathione peptide molecular structure diagram from PubChem

Glutathione is a tripeptide (gamma-glutamylcysteinylglycine) that is the most abundant intracellular antioxidant in human cells. It plays critical roles in protecting cells from oxidative stress, detoxification, immune function, and maintaining other antioxidants like vitamins C and E in their active forms.

ByChris Riley(CFA)&Alex Evans, PharmD, MBA(PharmD, MBA)|Updated

Clinically Reviewed

Reviewed by Alex Evans, PharmD, MBA · Updated May 2026

Evidence-Based

Sourced from FDA, PubMed & ClinicalTrials.gov · View sources

FDA Status
FDA-approved drug
Evidence
Strong Evidence
Category
Anti-Aging & Longevity

How Glutathione Works

Neutralizes free radicals, supports Phase II liver detoxification, recycles other antioxidants (vitamins C and E), and supports immune cell function.

Glutathione FAQ

What is GLUTATHIONE?

Glutathione is the body's master antioxidant, a tripeptide (glutamate-cysteine-glycine) critical for detoxification, immune function, and oxidative stress protection. Injectable forms bypass poor oral bioavailability.

How does GLUTATHIONE work?

Neutralizes free radicals, supports Phase II liver detoxification, recycles other antioxidants (vitamins C and E), and supports immune cell function.

Is GLUTATHIONE legal to buy?

GLUTATHIONE is sold as a research chemical for laboratory use only. It is not approved for human use by the FDA. Regulations vary by jurisdiction.

Where can I buy GLUTATHIONE?

GLUTATHIONE is available as a research compound from verified online vendors. Always verify third-party testing before purchasing.

What category does GLUTATHIONE belong to?

GLUTATHIONE is primarily classified as a anti-aging & longevity peptide. Peptides studied for longevity, cellular senescence, telomere biology, and general anti-aging effects.

What are the research benefits of GLUTATHIONE?

GLUTATHIONE has been studied for: Antioxidant protection, Detoxification support, Immune function, Skin brightening, Cellular protection. Tripeptide (Glu-Cys-Gly). Injectable form preferred; oral bioavailability is poor.

Key Studies

203,397 total on PubMed72,548 human trials

Curcumin Reduces Depression in Obese Patients with Type 2 Diabetes: A Randomized Controlled Trial

Yaikwawong M, Jansarikit L, Jirawatnotai S et al

NutrientsRCT

Curcumin significantly improved depression severity in obese type 2 diabetes patients.

Curcumin significantly improved depression severity in obese type 2 diabetes patients

The Potential Role of Efficacy and Safety Evaluation of N-Acetylcysteine Administration During Liver Procurement. The NAC-400 Single Center Randomized Controlled Trial

Gómez-Gavara C, Moya-Herraiz Á, Hervás D et al

TransplantationRCT

February 2012 to January 2016

N-acetylcysteine did not reduce primary allograft dysfunction but improved ALT levels with prolonged cold ischemia time

Endogenous antioxidants predicted outcome and increased after treatment: A benzoate dose-finding, randomized, double-blind, placebo-controlled trial for Alzheimer's disease

Psychiatry Clin Neurosci · Psychiatry Clin NeurosciRCT

Sodium benzoate 1000 mg/day improved cognitive function in Alzheimer's disease patients via enhanced antioxidant activity.

Sodium benzoate 1000 mg/day improved cognitive function in Alzheimer's disease patients via enhanced antioxidant activity

Adjunctive N-Acetylcysteine and Lung Function in Pulmonary Tuberculosis

Wallis RS, Sabi I, Lalashowi J et al

NEJM EvidRCT

NAC did not improve culture conversion but was associated with improved lung function recovery.

Glutathione Compound Data

Glutathione peptide chemical structure and molecular formula from PubChem
Molecular Formula
C10H17N3O6S
Molecular Weight
307.33 g/mol
IUPAC Name
(2S)-2-amino-5-[[(1R)-2-(carboxymethylamino)-2-oxo-1-(sulfanylmethyl)ethyl]amino]-5-oxo-pentanoic acid
View full compound on PubChem

Glutathione Articles & Guides

In-depth articles about Glutathione and related peptide therapies.

GHK-Cu Peptide Benefits for Anti-Aging Skin: How This Copper Peptide Turns Back the Clock

GHK-Cu peptide stimulates collagen 70% better than vitamin C. Learn how this copper peptide fights wrinkles, firms skin, and resets aging at the gene level.

Read article →

Epitalon and Telomere Lengthening: What the Latest Peptide Research Reveals in 2026

Epitalon telomere lengthening peptide: what research shows about cell aging, telomerase activation, and the current evidence in longevity science.

Read article →

NAD+ Peptide Therapy for Longevity: How It Works, Key Benefits, and What to Know in 2026

NAD+ peptide therapy reverses aging at the cellular level. Learn how restoring NAD+ levels improves energy, DNA repair, and longevity with IV, injection, and oral options.

Read article →

Best Longevity Peptides for Healthspan Optimization: 7 Science-Backed Compounds Worth Knowing in 2026

Discover the top 7 longevity peptides for healthspan optimization in 2026. Evidence-based dosing, stacking protocols, and safety guidelines from clinical practice.

Read article →

Thymosin Alpha 1 vs Thymosin Beta 4 for Longevity: Which Peptide Delivers Real Anti-Aging Results?

Compare thymosin alpha 1 vs thymosin beta 4 for longevity: immune restoration vs tissue repair, evidence, safety data, and whether combining them works.

Read article →

FOXO4-DRI Senolytic Peptide: What the Latest Anti-Aging Research Reveals in 2026

FOXO4-DRI senolytic peptide selectively kills zombie cells to reverse aging. Explore 2026 research on vascular health, hormonal decline, and preclinical breakthroughs in anti-aging science.

Read article →

Explore all articles and provider comparisons:

Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Peptide therapies have not been evaluated by the FDA for most listed indications.All prices shown are estimates based on publicly available data and may not reflect current pricing — providers and brands set their own prices and can change them at any time. Always verify pricing directly with the provider before purchasing. Consult a licensed healthcare provider before starting any peptide protocol.

Ready to explore Glutathione with a provider?

Take our 2-minute quiz to get matched with a board-certified provider specializing in Glutathione.

Take the Quiz →