L-Tyrosine 500 mg

Amino Acids & Protein

Brand: Douglas Laboratories

CapsuleOff Market
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Net Contents

100 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 10539 00695 5

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

$5.39 – $163.97· 40 listings
  • Douglas Laboratories L- Tyrosine 500 mg 100 Capsules

    DrHagmeyer.com5.0(5)
    $31.90
  • Central Market L- Tyrosine 500mg Capsules

    H-E-B
    $9.36
  • 365 by Whole Foods Market L Tyrosine 500 Mg 100 Capsules

    Whole Foods Market
    $14.49
  • GNC L- Tyrosine 500Mg Caplets

    GNC4.4(11)
    $19.99
  • Now Supplements L- Tyrosine 500 mg 120 Capsules

    Walmart4.7(9200)
    $12.71
  • Best Naturals L- Tyrosine 500 mg 90 Capsules

    Target4.8(32)
    $12.99
  • Puritan's Pride L- Tyrosine 500 mg 100 Capsules

    Puritan's Pride4.7(30)
    $5.39Lowest
  • Source Naturals L Tyrosine

    Walmart4.8(558)
    $10.50

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Research & Studies

  • Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands—A review

    BJ Jongkees, B Hommel, S Kühn, LS Colzato - Journal of psychiatric …, 2015 - Elsevier

    … supplementation can be beneficial for performance. The potential of using TYR supplementation … Likewise, the potential of TYR supplementation for enhancing physical exercise seems …

    2015257 citations
  • Tyrosine for mitigating stress and enhancing performance in healthy adult humans, a rapid evidence assessment of the literature

    S Attipoe, SA Zeno, C Lee, C Crawford… - Military …, 2015 - academic.oup.com

    … Produced in the liver and to some extent the brain, l-tyrosine is synthesized via hydroxylation of phenylalanine, an essential amino acid. Furthermore, l-tyrosine is the precursor of the …

    201573 citations
  • Effects of tyrosine on Parkinson's disease: a randomized, double‐blind, placebo‐controlled trial

    J DiFrancisco‐Donoghue, E Rabin… - Movement Disorders …, 2014 - Wiley Online Library

    … by medical professionals blinded to participants’ treatment group. The same medical … , our study demonstrated that supplementing 1,000 mg/day (500 mg 2× daily) of l-tyrosine for 7 days …

    201423 citations
  • The effect of tyrosine supplementation on whole-body endurance performance in physically active population: A systematic review and meta-analysis including …

    LJF Solon-Júnior, DA Boullosa Alvarez… - Journal of Sports …, 2023 - Taylor & Francis

    … The amino acid L-tyrosine (TYR), usually present in protein-rich foods, is the biochemical … during the supplementation period. The search strategy included studies of healthy men or …

    20234 citations
  • Hypothyroidism & Nutritional Supplements

    L McNamara - drladdvip.com

    … medical disclaimer below, and consult your personal physician prior to taking supplements … The amino acid L-Tyrosine and DHEA can be purchased from Douglas Labs by first creating …

  • Ingestion of tyrosine: effects on endurance, muscle strength, and anaerobic performance

    EE Sutton, MR Coll, PA Deuster - … journal of sport …, 2005 - journals.humankinetics.com

    … ingestion of tyrosine by healthy men has no measurable … 25 mg/kg body weight of L-tyrosine, a 7% glucose polymer solution (GPS) or a combination of tyrosine with GPS and L-tyrosine. …

    200573 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-06-01. DSLD Label ID: 8917. 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.