Home/ Supplements/ Vitamin K/ Peak K2

Peak K2

product on market Capsule AOR Advanced Orthomolecular Research Advanced Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

Vitamin K2 is supported by strong evidence for promoting calcium deposition in bones and preventing arterial calcification. Research indicates it works synergistically with vitamin D to improve bone mineral density and cardiovascular health. The ingredient profile maintains a high safety rating for most healthy adults.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Peak K2
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Capsule(s)
Serving Size
90
Servings
Vitamin
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

45 mg (37500% DV)
375.0× RDA — above typical dose 275 studies (A:9, B:175)

Other Ingredients

organic Rice Capsule
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: Take 1 capsule 1-3 times daily with food, or as directed by a qualified health care practitioner.

Warnings & Precautions

Do not use if safety seal is broken

Caution: Do not take Peak K2 in combination with anticoagulants (example: warfarin) unless advised to do so by your physician.

To report a serious adverse event or obtain product information, call 1-866-215-0450

Formulation Notes

GMP Manufacturing Quality assured Independent testing

Discussion: Peak K2 is menatetrenone (MK-4), a form of vitamin K2 made in the body from phylloquinone (vitamin K1) and distinct from the menaquinones made by probiotic bacteria.

High dose menatetrenone (Mk-4)

Vegan

Non-GMO Gluten free

AOR guarantees that all ingredients have been declared on the label.

Made without wheat, gluten, corn, nuts, peanuts, soy, dairy, eggs, fish, shellfish or any animal byproduct.

Additional Information

Store tightly sealed in a cool, dry place

Product of USA

Metadata

Product Details

UPC / SKU6 24917 08007 0
DSLD Entry Date2020-03-24
Product TypeVitamin
FormCapsule
BrandAOR Advanced Orthomolecular Research Advanced
DSLD ID214883
Data Updated2026-04-11
Research

Research Evidence

332
Research Sources
59
Avg Quality
220
Meta Analysis
56
Systematic Review
30
Rct
16
Clinical Trial
3
Guideline
3
Regulatory Source
1
Narrative Review
1
Other
1
Openfda Safety
A Duration of treatment with vitamin K antagonists in symptomatic venous thromboembolism
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
A Antiplatelet and anticoagulant agents for secondary prevention of stroke and other thromboembolic events in people with antiphospholipid syndrome
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Anticoagulants (extended duration) for prevention of venous thromboembolism following total hip or knee replacement or hip fracture repair
Meta Analysis The Cochrane database of systematic reviews 2016 PubMed DOI
A Antiplatelet and anticoagulant agents for secondary prevention of stroke and other thromboembolic events in people with antiphospholipid syndrome
Meta Analysis The Cochrane database of systematic reviews 2020 PubMed DOI
A Direct factor Xa inhibitors versus low molecular weight heparins or vitamin K antagonists for prevention of venous thromboembolism in elective primary hip or knee replacement or hip fracture repair
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Factor Xa inhibitors versus vitamin K antagonists for preventing cerebral or systemic embolism in patients with atrial fibrillation
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Antiplatelet agents and anticoagulants for hypertension
Systematic Review The Cochrane database of systematic reviews 2022 PubMed DOI
A Primary prophylaxis for venous thromboembolism in ambulatory cancer patients receiving chemotherapy
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Factor Xa inhibitors versus vitamin K antagonists for preventing cerebral or systemic embolism in patients with atrial fibrillation
Meta Analysis The Cochrane database of systematic reviews 2013 PubMed DOI
A Anticoagulation for the long-term treatment of venous thromboembolism in patients with cancer
Meta Analysis The Cochrane database of systematic reviews 2014 PubMed DOI
View all evidence for Vitamin K →
Compare

Similar Products

Vitamin D Synergy with Vitamin K1
Designs for Health · Capsule
100
Vitamin D Synergy with Vitamin K1
Designs for Health · Capsule
100
Natural Vitamin K2 45 mcg
Doctor's Best · Capsule
100
K 100 mcg
Thompson · Capsule
100
Vitamin K2 300 mcg MK-7
Innerzyme · Capsule
100
View all Vitamin K products →
Vitamin K research Best Vitamin K All Vitamin K products More from AOR Advanced Orthomolecular Research Advanced View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.