🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

📸

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Label Data

1 Veg Capsule(s) Serving Size
250 Servings
Botanical with Nutrients Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

100 mcg
✅ Within RDA (0.8× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.1mg
Alfalfa powder
250 mg

Other Ingredients

Hypromellose Ascorbyl Palmitate Rice Flour Silicon Dioxide

Label Claims — Verification

Nutrient
All Other
Structure/Function
All Other (100% of products) Structure/Function (84% of products) Nutrient (73% of products)

Target Groups

Vegan Vegetarian Adult (18 - 50 Years) Kosher Women (not pregnant or lactating) Halal Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Usage: Take 1 capsule daily with a meal.

⚠️ Warnings & Precautions

Caution: For adults only. Keep out of reach of children.

Do not use if pregnant, nursing, or allergic or contraindicated to aspirin. Consult physician if taking medication (especially blood thinners such as warfarin, Coumadin, heparin and aspirin) or have a medical condition.

Do not use if pregnant, nursing or allergic or contraindicated to aspirin.

Discontinue use two weeks prior to surgery or if stomach upset occurs.

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.

🧪 Formulation Notes

Although Vitamin K is historically known for its role in normal blood clotting function, we now know that Vitamin K is also essential to bone, cardiovascular, and nervous system health. As a biologically active form of Vitamin K, K-2 is important for the formation of healthy, strong bone matrix. Vitamin K's role in arterial health revolves around its ability to support proper calcium metabolism in vascular structures.

Supports Bone Health Biologically Active Form Supports Proper Calcium Metabolism

Menaquinone-4 (MK-4)

Non-GMO

Triangle K (Kosher)

Vegetarian/Vegan

Made and quality tested in the USA with globally sourced ingredients. Natural color variation may occur in this product.

Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.

Crescent H (Halal)

Additional Information

Triangle K (Kosher)

Vitamins Family owned since 1968.

Store in a cool, dry place after opening.

Crescent H (Halal) GMP Quality Assured

This bottle is made from 100% PCR (post-consumer recycled) resin.

Product Details

UPC / SKU 7 33739 00991 3
DSLD Entry Date 2024-07-25
Product Type Botanical with Nutrients
Form Capsule
Brand NOW
DSLD ID 315729
Data Updated 2026-04-11

Research Evidence

332 Research Sources
59 Avg Quality Score
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
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
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
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
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
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
A Antiplatelet agents and anticoagulants for hypertension
Systematic Review The Cochrane database of systematic reviews 2022
A Primary prophylaxis for venous thromboembolism in ambulatory cancer patients receiving chemotherapy
Meta Analysis The Cochrane database of systematic reviews 2012
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
A Anticoagulation for the long-term treatment of venous thromboembolism in patients with cancer
Meta Analysis The Cochrane database of systematic reviews 2014
View all evidence for Vitamin K →

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