Liquid D and K®

Vitamins

Brand: Douglas Laboratories

LiquidVitaminOff Market
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Net Contents

1 fl. Oz.

Serving Size

1 mL

Servings Per Container

30

Supplement Form

Liquid

Bar Code (UPC/SKU)

3 10539 02751 6

Product Version

Formula #57302

Label Analysis

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

2Active Ingredients

2 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

2% Daily Value Coverage

2 ingredients report a %DV; 2 meet or exceed 100% DV.

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

Allergen Guide

Contains

  • Milk
  • Wheat
  • 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 mL · 1 per day

IngredientAmount Per Serving% Daily Value
Vitamin D3(Cholecalciferol)1000 IU250%
Vitamin K1545 mcg1931%
Vitamin K-2(Menaquinone-4)1 mcg
Vitamin K1500 mcg
Vitamin K-2(MK-7, Soy)45 mcg

Not Present

Other Ingredients

WaterMedium Chain TriglyceridesSunflower OilCellulosenatural Vanilla flavorXanthan GumPotassium SorbateStevia

Target Groups

Adult (18 - 50 Years)Dairy FreeSugar Free

Label Claims

NutrientAll Other

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Suggested Usage: As a dietary supplement, adults take 1 dropper (1 ml) daily or as directed by your healthcare professional.

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.

Precautions re: All Other

Warning: This product contains vitamin K, which interferes with the prescription drugs Coumadin and Warfarin. Do not take this if taking either of these drugs.

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).

Storage

REFRIGERATE AFTER OPENING

Formulation

Formulation re: Does NOT Contain

This product contains NO yeast, wheat gluten, milk/dairy, sodium, sugar, starch, artificial coloring, preservatives or flavoring.

FDA Statements

FDA Statement of Identity

A Dietary Supplement

Other Label Statements

General: Product/Version Code

Formula #57302

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

MenaQ7(TM) is a trademark of NattoPharma, Norway. Patents Pending.

Seals/Symbols

MenaQ7(TM) menaquinone-7 Natural Vitamin K2

Manufacturer & Distributor

Manufacturer

Douglas Laboratories

600 Boyce Road, Pittsburgh, PA, 15205, USA

Market Reference

$9.95 – $82.00· 40 listings
  • Douglas Laboratories Liquid D and K

    boulevardcompounding.com4.8(12)
    $60.99
  • Vit4ever Vitamin D3 & K2

    vitalabo.com
    $44.95
  • Douglas Laboratories Douglas Labs Liquid Vitamin D3

    Supplement First4.8(38)
    $32.00
  • D3 + K2 Liquid

    Lefave Pharmacy & Compounding
    $31.95
  • Douglas Laboratories Liquid Multivitamin

    boulevardcompounding.com4.2(6)
    $52.99
  • Vitamin K-2 with Vitamin D-3 2oz Liquid

    Discount Health Products
    $19.81
  • Liquid with D3 and K

    Meno Clinic
    $39.00
  • Liquid D3 + K2

    Riverside Village Pharmacy
    $36.00

Where to Buy Locally

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Research & Studies

  • Carboxylation of osteocalcin in post-menopausal osteoporotic women following vitamin K and D supplementation

    AS Douglas, SP Robins, JD Hutchison, RW Porter… - Bone, 1995 - Elsevier

    … laboratory evidence on vitamin D controlling osteocalcin synthesis, stimulated further work. 2"6 In this study, supplements of vitamins K and D were … liquids for vitamin D and vitamin K. …

    1995115 citations
  • Medium doses of daily vitamin D decrease falls and higher doses of daily vitamin D3 increase falls: a randomized clinical trial

    LM Smith, JC Gallagher, C Suiter - The Journal of steroid biochemistry and …, 2017 - Elsevier

    … study (Douglas Labs, … d and if they were not able to increase dietary calcium to those levels, they were given calcium citrate as a supplement (Citracal 200 mg elemental; Bayer Health …

    2017209 citations
  • A Randomized Trial of Vitamin D3 Supplementation in Children: Dose-Response Effects on Vitamin D Metabolites and Calcium Absorption

    RD Lewis, EM Laing, KM Hill Gallant… - The Journal of …, 2013 - academic.oup.com

    … The supplement manufacturer (Douglas Laboratories) … healthy children with 25(OH)D ∼70 nmol/L that vitamin D 3 … Assessment of serum 1,25(OH) 2 D using liquid chromatography–…

    2013118 citations
  • Vitamin K as a diet supplement with impact in human health: current evidence in age-related diseases

    DC Simes, CSB Viegas, N Araújo, C Marreiros - Nutrients, 2020 - mdpi.com

    … novel natural sources of vitamin K and formulations to improve … the use of vitamin K as a health-promoting supplement, which … and direct health consequences of vitamin K deficiency …

    2020234 citations
  • Healthy aging ingredient round-up

    A Richman - Nutraceuticals World, 2015 - go.gale.com

    … of NAD+, a coenzyme vital for the health of mitochondria. He noted that NR also bolsters … function, promotes cardiovascular health by promoting healthy cholesterol levels already in …

    2015
  • Potassium: a frontier in osteoporosis

    W Singh, P Kushwaha - Hormone and Metabolic Research, 2024 - thieme-connect.com

    … The scarcity of RCTs specifically designed to assess the effects of potassium supplementation on bone health limits our ability to make definitive conclusions regarding the causal …

    202423 citations

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: 5330. 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.