L-Cysteine 500 mg®

Amino Acids & Protein

Brand: California Gold Nutrition

CapsuleAmino acid/ProteinOn Market
Click to view full label

Net Contents

60 Veggie Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

60

Supplement Form

Capsule

Bar Code (UPC/SKU)

8 98220 01130 8

Product Version

LREV0921lcystvc cgn1130

Label Analysis

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

1Active Ingredients

Single-ingredient formula listed 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

Free From

  • 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 per day

IngredientAmount Per Serving
L-Cysteine500 mg

Not Present

Other Ingredients

Modified CelluloseMicrocrystalline CelluloseMagnesium StearateSilicon Dioxide

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: Take 1 capsule daily, with or without food. Best when taken as directed by a qualified healthcare professional.

Warnings & Precautions

Precautions re: Children

Warnings: Keep out of reach of children. Pregnant or lactating women, the chronically ill, elderly, individuals under the age of 18, those taking prescription medications (e.g., blood thinners) as well as those with a physician-diagnosed medical condition should consult with a physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.

Precautions re: Pregnant or Nursing or Prescription Medications

Pregnant or lactating women, the chronically ill, elderly, individuals under the age of 18, those taking prescription medications (e.g., blood thinners) as well as those with a physician-diagnosed medical condition should consult with a physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.

Precautions re: All Other

Sealed for your protection. Do not use if seal is missing or broken.

Precautions re: Allergies

This product is not manufactured with milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, sesame, or gluten. Produced in a third-party, audited and registered cGMP compliant facility that may process other products that contain these allergens or ingredients.

Storage

Storage

Best store at controlled room temperature 20 Degrees C to 25 Degrees C (68 Degrees F to 77 Degrees F). Improper storage conditions, such as extended exposure to direct sunlight, high heat & humidity can cause product degradation over time.

Formulation

Formula re: Contains

AjiPure Amino Acids

Formulation re: Does NOT Contain

Formulated to Contain No Gluten No GMOs No Soy

Formulation re: Does NOT Contain

This product is not manufactured with milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, sesame, or gluten.

FDA Statements

FDA Statement of Identity

Dietary Supplement

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

AjiPure is a registered trademark of AJINOMOTO CO., INC. California Gold Nutrition is a registered trademark of Madre Labs, LLC

General Statements: All Other Content

100% GOLD Guarantee All California Gold Nutrition products come with a 100% GOLD Guarantee. If you are not completely satisfied with your purchase, return the unused portion within 90 days for a full refund.

Manufacturer & Distributor

Distributor

Madre Labs, LLC

301 North Lake Avenue, Suite 500, Pasadena, CA, 91101

info@calgn.com

Market Reference

$10.96 – $18.99· 7 listings
  • Lake Avenue Nutrition L-Cysteine

    iHerb4.6(787)
    $10.96Lowest
  • California Gold Nutrition L-Cysteine

    iHerb4.6(676)
    $13.72
  • California Gold Nutrition L-Glutathione

    iHerb4.7(9100)
    $12.05
  • California Gold Nutrition Veggie Capsules

    iHerb4.7(3800)
    $16.97
  • California Gold Nutrition Ashwagandha

    iHerb4.7(840)
    $17.02
  • NOW Foods L-Cysteine

    Swanson Health Products4.5(5600)
    $13.48
  • NOW L-Cysteine 500 mg 100 Tablets

    personalpower4.5(8)
    $18.99

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.

  • The Vitamin Shoppe

    4.5 (199)

    Vitamin & supplements store

    243 S Kings Dr, Charlotte, NC 28204

  • Planet Supplements Charlotte

    4.9 (277)

    Vitamin & supplements store

    8538 University City Blvd, Charlotte, NC 28213

  • NutriShop The Arboretum Charlotte NC

    4.9 (258)

    Vitamin & supplements store

    3339 Pineville-Matthews Rd, Charlotte, NC 28226

  • Charlotte Supplements

    4.7 (270)

    Vitamin & supplements store

    4128 South Blvd, Charlotte, NC 28209

  • Charlotte Vitamins and Health

    4.6 (52)

    Vitamin & supplements store

    8206 Providence Rd #1800, Charlotte, NC 28277

  • GNC

    3.1 (53)

    Vitamin & supplements store

    3202 Wilkinson Blvd C2, Charlotte, NC 28208

  • VITASMART

    4.8 (57)

    Vitamin & supplements store

    5303 Poplar Tent Rd #120, Concord, NC 28027

  • GNC

    3.4 (64)

    Vitamin & supplements store

    5700 University Pointe Blvd #107, Charlotte, NC 28262

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 citations
  • Effects 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 or … and nutritional therapies and to identify the reported benefits of l-Cys on human …

    2018193 citations
  • Effect of cysteine on the viability of yoghurt and probiotic bacteria in yoghurts made with commercial starter cultures

    RI Dave, NP Shah - International Dairy Journal, 1997 - Elsevier

    … with 0, 50,250 and 500 mg L-’ cysteine. Incubation time to … higher in yoghurts containing 250 and 500 mg L- I cysteine, … In this study, effect of L-cysteine on the growth and viability of …

    1997230 citations
  • The effect of oral l-cysteine on breast milk and plasma cysteine concentrations

    Y Dowlati, M Maheux, JH Meyer - Neuropsychiatric Disease and …, 2020 - Taylor & Francis

    … Twenty-four health breastfeeding women were randomly assigned to 0, 1.5, or 3 g of oral … Roots Herbal Inc (NPN#80,025,197) and each capsule contained 500 milligrams of L-cysteine. …

    20204 citations
  • L-Cysteine protects intestinal integrity, attenuates intestinal inflammation and oxidant stress, and modulates NF-κB and Nrf2 pathways in weaned piglets after LPS …

    Z Song, G Tong, K Xiao, LF Jiao, YL Ke… - Innate …, 2016 - journals.sagepub.com

    … The integrity of intestine plays an essential role in nutrition absorption, gut homeostasis and animal growth and health. VH, CD and VH:CD ratio are the common indices for evaluating …

    2016112 citations
  • Effects 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 or … and nutritional therapies and to identify the reported benefits of l-Cys on human …

    201812 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-12-14. DSLD Label ID: 299638. 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.