L-Glutathione Plus®

Non-Nutrient / Non-Botanical

Brand: Douglas Laboratories

LozengeNon-Nutrient/Non-BotanicalOff Market

Product label for L-Glutathione Plus — Click to view full label

Net Contents

90 Lozenge(s)

Serving Size

1–2 Lozenge(s)

Servings Per Container

Supplement Form

Lozenge

Bar Code (UPC/SKU)

3 10539 01216 1

Product Version

Formula #81993

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

Milk
Wheat
Soy
Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 1–2 Lozenge(s) · 2–3 per day

Ingredient	Amount Per Serving
L-Glutathione	150 mg	—
N-Acetyl-L-Cysteine	50 mg	—

Not Present

Other Ingredients

SucroseMicrocrystalline CelluloseVegetable StearateMannitolSilica

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1 to 2 lozenges, 2 to 3 times daily or as directed by your healthcare professional. Allow lozenge to dissolve in mouth and then swallow.

Warnings & Precautions

Precautions re: All Other

Warning: Some individuals may be sensitive to the ingredients contained in this product and may experience a tingling or burning sensation in their mouth after taking the product. If this occurs, please discontinue use of the product and consult your health professional regarding further use.

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Precautions re: All Other

Tamper resistant package, do not use if outer seal is missing.

Storage

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formulation

Formulation re: Does NOT Contain

This product contains NO yeast, wheat, gluten, soy protein, milk/dairy, corn, sodium, starch, artificial coloring, preservatives or flavoring.

FDA Statements

FDA Statement of Identity

A Dietary Supplement

Other Label Statements

General: Product/Version Code

Formula #81993

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

1.800.245.4440

Market Reference

$25.99 – $87.50· 8 listings

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Where to Buy Locally

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Gym Power
5.0 (13)
Vitamin & Supplements Shop
38 Fore St, Redruth TR15 2AE
Directions 07514 572138
Cornish Health Store
4.9 (42)
Health food shop
3 Bond St, Redruth TR15 2QA
Directions 01209 215012
Plus Ultra Supplements
5.0 (1)
Vitamin & Supplements Shop
Unit 12 The Crescent, Newquay TR7 1DT
Directions 07976 810268
Holland & Barrett - Camborne
4.4 (10)
Vitamin & Supplements Shop
29 Trelowarren St, Camborne TR14 8AD
Directions 0330 058 2640
Adonis Supplements and Recovery
5.0 (1)
Sporting Goods Shop
Discovery Quay, UNIT 1 MARITIME HOUSE, Falmouth TR11 3XA
Directions 07939 014187
Holland & Barrett - Truro
4.0 (23)
Vitamin & Supplements Shop
13 Pydar St, Truro TR1 2AX
Directions 0330 058 2640
MuscleFitnessHealth Superstore
4.8 (32)
Vitamin & Supplements Shop
Unit 2, Pool Business Park, Dudnance Ln, Pool, Redruth TR15 3QW
Directions
Make Me Healthier - Independent Herbalife Member
Health food shop
2410, Trevissome Park, Truro TR4 8UN
Directions 07939 048050

Research & Studies

The impact of oral glutathione supplementation enhanced with bioavailability boosters on oxidative damage and glycated hemoglobin (HBA1C) levels in type 2 …
E Pokushalov, A Ponomarenko… - Clinical Nutrition …, 2024 - clinicalnutritionespen.com
… Rationale: This study aimed to assess the efficacy of oral supplementation with L-glutathione, specifically enhanced with bioavailability boosters (namely tannin, low molecular weight …
2024
Impairment of conjunctival glutathione secretion and ion transport by oxidative stress in an adenovirus type 5 ocular infection model of pigmented rabbits
R Kannan, HJ Gukasyan, W Zhang… - Free Radical Biology …, 2004 - Elsevier
Conjunctival epithelial cells of pigmented rabbits secrete reduced glutathione (GSH) into the apical (mucosal) fluid. The aim of the current study was to determine the effect of oxidative …
200423 citations
Oral delivery of glutathione: antioxidant function, barriers and strategies
T Wei, SS Thakur, M Liu, J Wen - Acta Materia Medica, 2022 - scienceopen.com
… A clinical study of 12 healthy adults has revealed that oral administration of liposomal GSH supplements significantly increases GSH levels in the body. Compared with those at baseline…
202238 citations
L-Glutathione Plus 150 mg 90 lozenges by Douglas Labs
RNR Points
The influence of resveratrol and β-Hydroxy-β-methyl butyric acid supplementation alone or in combination on the development and health of the duodenum in Tibetan …
Y Zhang, Q Ji, L Gui, K Gebeyew, S Hou… - Frontiers in …, 2025 - frontiersin.org
… L-glutathione. Supplementation with RES and HMB had positive effects on duodenal function in Tibetan sheep; however, the safety of these additives requires further validation through …
20253 citations
James Forsythe, MD, HMD: The Success of Integrative Cancer Therapy Based on Chemosensitivity Testing and Insulin Potentiation Therapy
C Gustafson - Alternative Therapies in Health and Medicine, 2015 - search.proquest.com
… -dose vitamin C, with poly-MVA, with hydrogen peroxide, with the Forsythe immune protocol—which is basically a Myer’s cocktail—and then an amino-acid drip, which is L-glutathione. …
2015

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-06-25. DSLD Label ID: 10072. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.