Brand: Douglas Laboratories

CapsuleAmino acid/ProteinOff Market
Click to view full label

Net Contents

100 Capsule(s)

Serving Size

1–4 Capsule(s)

Servings Per Container

100

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 45287 06050 6

Product Version

TYR

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: 1–4 Capsule(s) · 1 per day

IngredientAmount Per Serving
L-Tyrosine(L-Tyrosine)800 mg

Not Present

Other Ingredients

GelatinCelluloseWaterMagnesium StearateSilica

Target Groups

Adult (18 - 50 Years)

Label Claims

All Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, adults take 1 to 4 capsules daily between meals or as directed by physician. Do not take with dairy products. It is recommended that this product be taken in conjunction with vitamins and minerals.

Warnings & Precautions

Precautions re: Children

KEEP OUT OF REACH OF CHILDREN.

Precautions re: All Other

Tamper resistant package, do not use if outer seal is missing.

Storage

Storage

For optimal storage conditions, store in a cool, dry place. (59(0) - 77(0)F/15(0) - 25(0)C) (35-65% relative humidity)

FDA Statements

FDA Statement of Identity

A Dietary Supplement

Other Label Statements

General: Product/Version Code

TYR

Seals/Symbols

amni(R) original formula

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

Market Reference

$7.19 – $386.00· 40 listings
  • Pure Encapsulations L- Tyrosine 90 Capsules

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  • Now Supplements, L-Tyrosine 500 mg, Supports Mental Alertness*, Neurotransmitter Support*, 120 Capsules

    Walmart4.5(36)
    $13.99
  • Nature's Craft L-Tyrosine

    Macy's4.8(154)
    $15.99
  • GNC L- Tyrosine 500Mg Caplets

    GNC4.7(7)
    $19.99
  • Nutricost L- Tyrosine 500mg 180 Capsules

    Target4.8(197)
    $14.95
  • Nootropics Depot L- Tyrosine Capsules

    Nootropics Depot5.0(2)
    $17.99
  • L TYROSINE View Product 45 Servings

    The supplements factory
    $25.00
  • L- Tyrosine Powder

    True Nutrition4.0(1)
    $24.99

Where to Buy Locally

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Research & Studies

  • NutritioNal SupplemeNtS iN Sport, exerciSe aNd HealtH

    LM Burke - api.taylorfrancis.com

    … supplement use or the belief that ‘if a little is good, more is better’alongside any medical concerns … An additional consideration in the safety of supplements, particularly due to the lack of …

  • Increased sympathetic nervous system activity in rats fed a low-protein diet

    JB Young, LN Kaufman, ME Saville… - American Journal of …, 1985 - journals.physiology.org

    To examine the state of sympathetic nervous system (SNS) function in animals fed a protein-restricted diet, [3H] norepinephrine ([3H]-NE) turnover was measured in heart and …

    198598 citations
  • Dietary supplements aimed at enhancing performance: efficacy and safety considerations.

    TJ Maher - The Role of Protein and Amino Acids in Sustaining …, 1999 - books.google.com

    … , healthy individual would benefit nutritionally in any way from … L-Tyrosine potentiates the anorexia induced by mixed-acting … DOUGLAS WILMORE [off microphone]: We have examined …

    19991 citations
  • Whole-body nitrogen and tyrosine metabolism in surgical patients receiving branched-chain amino acid solutions

    SP Desai, BR Bistrian, LL Moldawer… - Archives of …, 1985 - jamanetwork.com

    • Fifteen patients undergoing gastric bypass surgery for morbid obesity received preoperatively a standard crystalline amino acid solution containing 15.6% branched-chain amino acids…

    198516 citations
  • Catalytic activity of the anaerobic tyrosine lyase required for thiamine biosynthesis in Escherichia coli

    MR Challand, FT Martins, PL Roach - Journal of Biological Chemistry, 2010 - jbc.org

    … AdoMet cleavage unless l-tyrosine is present in the mixture. … was not sufficiently similar to l-tyrosine to increase AdoMet … The formation of p-cresol from l-tyrosine requires a reduction …

    201079 citations
  • Get Price Alerts

    AARN Stops - blog.priceplow.com

    … His collaboration with pro bodybuilder and Core Nutritionals CEO Doug Miller has … health" supplement towards a more energized nootropic that still brings good-mood properties! …

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-02-23. DSLD Label ID: 5347. 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.