Cysteine 500 mg®

Amino Acids & Protein

Brand: Dr. Clark Store

CapsuleAmino acid/ProteinOn Market
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Net Contents

100 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

100

Supplement Form

Capsule

Bar Code (UPC/SKU)

6 52384 10423 4

Product Version

Not Present

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.

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

Supplement Facts

Serving Size: 1 Capsule(s) · 1 per day

IngredientAmount Per Serving
L-Cysteine500 mg—

Not Present

Other Ingredients

Gelatin Capsules

Target Groups

Adult (18 - 50 Years)

Label Claims

All OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: Adults and children 12 years of age or over, take 1 capsule daily, or as directed by a healthcare professional.

Warnings & Precautions

Precautions re: Children

Keep away from children.

Precautions re: Pregnant or Nursing or Prescription Medications

Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.

Precautions re: All Other

If any adverse reactions occur, immediately stop using this product and consult your doctor. If seal under cap is damaged or missing, do not use.

Storage

Storage

Store at room temperature.

Formulation

Formulation re: Does NOT Contain

Our products don't contain flow agents like magnesium stearate. Not now, not ever.

Formulation re: Other

Protein structure support

FDA Statements

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

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.

Other Label Statements

General Statements: All Other Content

Self Health Resource Center 1055 Bay Blvd., Ste A Chula Vista, CA 91911 Customer Service Toll Free: (866) DR-CLARK (372-5275) www.DrClarkStore.com

Seals/Symbols

Made in USA

General Statements: All Other Content

Leader in purity Established by Dr. Clark's family in 1993

General Statements: All Other Content

Company does not adopt any Dr. Clark claims.

Manufacturer & Distributor

Manufacturer

Dr. Clark Store

1055 Bay Blvd., Ste A, Chula Vista, CA, 91911

(866) 372-5275

Market Reference

$21.98 – $174.99· 3 listings
  • NOW L-Cysteine 500 mg 100 Tablets

    Woocommerce - spectrumsupplements4.6(6300)
    $21.98Lowest
  • Dr. Clark 3 Week Kidney Cleanse - Vegetarian - Plant Based Tapioca Capsules

    GoSupps.com
    $174.99
  • Klaire N-Acetyl-Cysteine 500 90 capsules

    Wellness Pharmacy
    $24.99

Where to Buy Locally

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Research & Studies

  • l-Cysteine

    B Sameem, F Khan, K Niaz - … and nonmineral nutritional supplements, 2019 - Elsevier

    … Cysteine is available 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…

    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

    … This review summarizes recent knowledge about the use of the amino acid l-Cysteine (l-Cys) through diet, nutritional supplements or drugs with the aim to improve human health or treat …

    2018190 citations
  • Effect of supplementation with a cysteine donor on muscular performance

    LC Lands, VL Grey… - Journal of Applied …, 1999 - journals.physiology.org

    … that supplementation with a whey-based cysteine donor [… Twenty healthy young adults (10 men, 10 women) were studied … In conclusion, supplementation of healthy young adults with …

    1999350 citations
  • Vitamin D and N-acetyl cysteine supplementation in treatment-resistant depressive disorder patients: a general review

    F di Michele, A Talamo, C Niolu… - Current …, 2020 - ingentaconnect.com

    … , and both depression and general medical health care expenditures tend to increase with … cost compared to MDD considering lost productivity and healthcare costs, a sum expected to …

    202018 citations
  • Effect of high‐dose cysteine supplementation on erythrocyte glutathione: a double‐blinded, randomized placebo‐controlled pilot study in critically ill neonates

    KL Calkins, LA Sanchez, CH Tseng… - Journal of Parenteral …, 2016 - Wiley Online Library

    … with isonitrogenous noncysteine supplementation, high‐dose cysteine supplementation for at … in GSH with cysteine supplementation. The benefit of cysteine remains promising and …

    201615 citations
  • The collagen synthesis response to an acute bout of resistance exercise is greater when ingesting 30 g hydrolyzed collagen compared with 15 g and 0 g in …

    …, J Dutton, R Dunn, WD Fraser, K Enright, DR Clark… - The Journal of …, 2024 - Elsevier

    … Resistance exercise (RE) stimulates collagen synthesis in skeletal muscle and tendon but there is limited and equivocal evidence regarding an effect of collagen supplementation and …

    202426 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-05-22. DSLD Label ID: 219829. 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.