Vitamin K2

Suggested Use

Suggested Use: Take 15 drops one to three times daily or as recommended by your health-care practitioner. Invert bottle to dispense individual drops. May be added to food or mixed in beverages.

• 

  Thorne 3-K Complete 60 Capsules

  Thorne4.8(706)

  $31.00
• 

  Thorne 1 fl. oz Liquid

  Target4.7(424)

  $75.00
• 

  Thorne Research KD500- Thorne Liquid Dietary Supplement

  Target4.8(9500)

  $34.00
• 

  Vitamin K2

  ThorneVet

  $75.00
• 

  Vitamin K2 Drops 1oz by Thorne Research

  Instacart4.7(424)

  $85.19
• 

  Thorne Research Liquid

  Kitchen Shift4.8(9500)

  $34.00
• 

  Thorne Research Vitamin D + K2 Liquid 1 fl oz

  Newtown MediSpa4.8(9500)

  $34.00
• 

  Thorne Vitamin K formerly 3-K Complete 60 Capsules

  Purely Integrative4.8(706)

  $31.00

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.

• GNC

  3.7 (51)

  Vitamin & supplements store

  1100 Ken Pratt Blvd, Longmont, CO 80501

  Directions(303) 774-7733

• The Vitamin Shoppe

  4.3 (189)

  Vitamin & supplements store

  11985 Washington St Unit #1, Denver, CO 80233

  Directions(303) 920-9292

• Walmart Supercenter

  3.8 (4281)

  Department store

  2285 E Ken Pratt Blvd, Longmont, CO 80504

  Directions(303) 678-0803

• Sam's Club

  4.2 (825)

  Warehouse club

  1200 S Hover St, Longmont, CO 80501

  Directions(303) 845-4223

• The Vitamin Shoppe

  4.6 (154)

  Vitamin & supplements store

  2600 S College Ave, Fort Collins, CO 80525

  Directions(970) 204-6653

• GNC

  3.7 (39)

  Vitamin & supplements store

  4800 W 121st Ave #2, Broomfield, CO 80020

  Directions(720) 887-4611

• Walmart Supercenter

  3.7 (4589)

  Department store

  2514 Main St, Longmont, CO 80504

  Directions(303) 774-7513

• The Vitamin Shoppe

  4.3 (198)

  Vitamin & supplements store

  385 S Colorado Blvd, Denver, CO 80246

  Directions(303) 321-0379

• Nutr Res: High-dose vitamin K supplementation reduces fracture incidence in postmenopausal women: a review of the literature

  J Iwamoto, Y Sato, T Takeda… - Alternative Medicine …, 2009 - go.gale.com

  Although systematic review and meta-analysis of randomized controlled trials (RCTs) have concluded that vitamin K is effective in preventing fractures, the effect of vitamin K on the …

  2009

• VITAMIN K2 combined with Vitamin D3 IMPROVES bone density

  W Faloon - community.breastcancer.org

  … research journal. It does, however, detail and discuss at length, significant Vitamin K2 research in an easy to understand format, with citations from the Peer reviewed research included. …

• Vitamin K2 in health and disease: a clinical perspective

  T Zhang, C O'Connor, H Sheridan, JW Barlow - Foods, 2024 - mdpi.com

  … foods led to the original vitamin K substance being termed phylloquinone or vitamin K1 (VK1)… animal foods were collectively termed menaquinones or vitamin K2 (VK2). VK2 can also be …

  202441 citations

• Exploring Menatetrenone: Origin, Chemistry, Therapies and Delivery

  W Singh, P Kushwaha… - Journal of the American …, 2025 - Taylor & Francis

  … vitamin K2 typically start at 100 mcg per day or higher (Citation9). Menatetrenone (a form of vitamin K2), also known as vitamin K2… of the essential liposoluble vitamins in the human body …

  2025

• Osteoporosis: integrating biomarkers and other diagnostic correlates into the management of bone fragility

  RK McCormick - Alternative Medicine Review, 2007 - anaturalhealingcenter.com

  … This study shows that giving calcium and vitamin D supplements did not reduce hip fractures and … Very high doses (45 mg/day) of vitamin K2 have been used to treat postmenopausal …

  2007215 citations

• Nutritional support for chronic myelogenous and other leukemias: a review of the scientific literature

  ND Ronald Steriti - Alternative medicine review, 2002 - anaturalhealingcenter.com

  … of vitamin K2 … vitamin K2 and curcumin to inhibit CML cancer cell development. Patients with CML have been shown to be deficient in vitamin E and may have abnormalities in vitamin …

  200224 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2018-02-23. DSLD Label ID: 81655. 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.