L-Cystine 500 mg

Amino Acids & Protein

Brand: Douglas Laboratories

CapsuleOff Market
Click to view full label

Net Contents

60 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 10539 00272 8

Product Version

Not specified

Suggested Use

Suggested Usage: As a dietary supplement; adults take 1 capsule daily or as directed by your healthcare professional.

Market Reference

$12.29 – $231.43· 22 listings
  • L-Cystine 500mg

    personalpower
    $18.80
  • Douglas Laboratories N-Acetyl-L-Cysteine mg

    Willy Street Co-op4.9(40)
    $21.99
  • NOW Foods L-Cysteine

    Swanson Health Products4.6(6300)
    $14.19
  • Cysto Renew Douglas Labs

    Femologist4.7(85)
    $62.80
  • L-Cystine

    Abbexa
    $145.00
  • Douglas Laboratories Cysto Renew 120 Capsules

    mornatural.com4.7(85)
    $62.99
  • Solgar L-Cysteine 500 mg

    Target4.6(410)
    $23.99
  • Bluebonnet L-Cysteine 500 mg

    Walmart4.7(124)
    $21.56

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.

Research & Studies

  • The effects of the oral supplementation of L‐Cystine associated with reduced L‐Glutathione‐GSH on human skin pigmentation: a randomized, double‐blinded …

    J Duperray, R Sergheraert, K Chalothorn… - Journal of cosmetic …, 2022 - Wiley Online Library

    … on a panel of 124 healthy Asian female … 500 mg L-Cystine and 250 mg L-Glutathione daily, although not statistically significant. With regards to the oral supplement containing L-Cystine …

    202245 citations
  • IMPACT OF DIETARY PROTEIN ON BRAIN GLUTATHIONE IN STROKE

    Z Zhang - 2000 - harvest.usask.ca

    In the present study, we proposed that dietary protein deficiency would depress brain glutathione (GSH) concentration. If the hypothesis were correct, this would suggest compromised …

    2000
  • Effects of  L‐Cystine and  L‐Theanine Supplementation on the Common Cold: A Randomized, Double‐Blind, and Placebo‐Controlled Trial

    S Kurihara, T Hiraoka, M Akutsu… - Journal of amino …, 2010 - Wiley Online Library

    … According to the third National Health and Nutrition … mg/day [14]. Considering the safety data described above, the applied dose in the present study was set at 700 mg/day for L -cystine …

    201025 citations
  • 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
  • Microbial enzymes induce colitis by reactivating triclosan in the mouse gastrointestinal tract

    J Zhang, ME Walker, KZ Sanidad, H Zhang… - Nature …, 2022 - nature.com

    … Health problems connected to TCS include increased risks of allergies and asthma, altered immune responses, disruption of endocrine functions, and increased development of …

    2022114 citations
  • Leucine kinetics at graded leucine intakes in young men

    MM Meguid, DE Matthews, DM Bier… - … American journal of …, 1986 - academic.oup.com

    … in healthy adults (14). This view is strengthened … intake of 14 mg’ kg - day represents the upper range of the requirement for this amino acid in healthy adults. However, …

    1986166 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-01-25. DSLD Label ID: 56035. 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.