Net Contents
50 Rapid Release Capsule(s)
Serving Size
1 Capsule(s)
Servings Per Container
Not specified
Supplement Form
Capsule
Bar Code (UPC/SKU)
0 74312 10100 7
Product Version
Item # 100 B67407 11E 14-18579PPS
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
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
Free From
- Milk
- Fish
- 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 Capsule(s) · 1–2 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| L-Cysteine | 500 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: For adults, take one (1) capsule up to two times daily, preferably on an empty stomach.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Warning: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Precautions re: All Other
Discontinue use and consult your doctor if any adverse reactions occur.
Precautions re: Children
Keep out of reach of children.
Precautions re: All Other
Do not use if seal under cap is broken or missing.
Storage
Storage
Store at room temperature.
Formulation
Formulation re: Does NOT Contain
No artificial color, flavor or sweetener, no preservatives, no sugar, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. Sodium free.
FDA Statements
FDA Statement of Identity
Dietary Supplement
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
Puritan’s Pride supplements are produced from the finest raw materials under stringent quality control standards.
General Statements: All Other Content
To reorder item # 100 www.puritan.com 1-800-645-1030
Brand IP Statement(s) re: (c), (TM), (SM)
2017 Puritan’s Pride, Inc
General: Product/Version Code
Item # 100 B67407 11E 14-18579PPS
Seals/Symbols
QA Quality Assured
General Statements: All Other Content
Free form
General Statements: All Other Content
Note: This product has an odor which is characteristic of l-cysteine.
General Statements: All Other Content
State-of-the-art manufacturing and packaging facilities ensure you the highest quality nutritional supplements money can buy. When it comes to your health...choose the best.
Manufacturer & Distributor
Distributor
Puritan's Pride, Inc.
Ronkonkoma, NY, 11779, U.S.A.
1-800-645-1030
Market Reference
Puritan's Pride L-Glutathione 500 mg-30 Capsules
Puritan's Pride4.8(1000)$14.19LowestPuritan's Pride L-Glutathione 500 mg 30 capsules 17970
Seuren Health4.8(1000)$53.56
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Bodystore.nl Supplements
4.7 (105)Vitamin & supplements store
Vogt 19, 6422 RK Heerlen, Netherlands
PROTEIN EMPORIUM
4.9 (141)Sports nutrition store
Shop No 12, 1, st Floor, near Nakhara Trafic, Phulnakhara, Odisha 754001, India
Vitamin360
4.8 (3475)Vitamin & supplements store
Priemyselná 6734, 929 01 Dunajská Streda, Slovakia
Laboratoires Herbolistique
4.4 (57)Vitamin & supplements store
ZI le Landreau, 85130 Chanverrie
Cyprus Cheaper Supplements
4.8 (41)Vitamin & supplements store
74 Leoforos Larnakos Aglantzia 58 leoforos makariou lakatamia, B17 74, Aglantzia 2102, Cyprus
G&G Vitamins
4.7 (36)Vitamin & supplements store
Vitality House, 2-3 Imberhorne Way, East Grinstead RH19 1RL, United Kingdom
Solgar Vitamins (Holland) BV
3.8 (10)Wholesaler
De Droogmakerij 27, 1851 LX Heiloo, Netherlands
Gezondheidswebwinkel
4.3 (7)Vitamin & supplements store
Gezondheid aan huis B.V, Lorentzstraat 4a, 6716 AD Ede, Netherlands
Research & Studies
l-Cysteine
B Sameem, F Khan, K Niaz - … and nonmineral nutritional supplements, 2019 - Elsevier
… as a supplement labeled as “l-cysteine” in health food stores and pharmacies. It is mainly given in the form of a 500-mg pill, tablet, or capsule. The bioavailability of l-cysteine is low …
201930 citationsEfficacy of l-cysteine in increasing circulatory hydrogen sulfide, nitrite, and 25-hydroxyvitamin D levels in Zucker diabetic fatty rats and in vitro treatment of …
SK Jain, JJ Margret, R Parsanathan, T Velusamy - Journal of Dairy Science, 2024 - Elsevier
… Whey protein is rich in l-cysteine (LC) which is the precursor of … the hypothesis that LC supplementation enhances blood levels of H 2 … Fasting blood levels showed LC supplementation …
20242 citationsEffects of the Usage of l-Cysteine (l-Cys) on Human Health
N Clemente Plaza, M Reig García-Galbis… - Molecules, 2018 - mdpi.com
… l-Cysteine (l-Cys) through diet, nutritional supplements or drugs with the aim to improve human health … reported benefits of l-Cys on human health. The number of publications about the …
2018193 citationsPt@ZnCo2O4 Microspheres as Peroxidase Mimics: Enhanced Catalytic Activity and Application for L-Cysteine Detection
S Liao, W Deng, F Yang, J Zhou, L Wu, D Yu, Z Cao - Molecules, 2025 - mdpi.com
… The L-cysteine colorimetric sensor based on Pt@ZnCo 2 O 4 microspheres displayed high … and simplicity, successfully detecting L-cysteine in health supplements with a recovery rate of …
202511 citationsImplications of nutraceutical modulation of glutathione with cystine and cysteine in general health and otology
K Mullen, TA Kwyer, RT Sataloff - Occupational Hearing Loss …, 2024 - taylorfrancis.com
… A study using mice that were homozygous for a loss of function mutation for the gamma-glutamyl transferase 1 gene found that supplementation with N-acetyl-L-cysteine (L-NAC) …
20242 citationsEffects of the Usage of l-Cysteine (l-Cys) on Human Health.
RM Martínez-Espinosa - Molecules (Basel, Switzerland), 2018 - europepmc.org
… l-Cysteine (l-Cys) through diet, nutritional supplements or drugs with the aim to improve human health … reported benefits of l-Cys on human health. The number of publications about the …
201812 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2017-05-24. DSLD Label ID: 73540. 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.
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