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Updated: 08 Oct 2025

10 Best Vitamin K Supplements

#1
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NOW Vitamin D-3 & K-2,120 Veg Capsules

Brand: NOW
$26.90 ($0.22 / coun
⭐ 4.8
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    Supports Bone Health*/Plus Cardiovascular Support*: Now Vitamin D-3 & K-2 Veggie Capsules Combine Two Nutrients Extensively Researched For Their Contribution To The Health Of Bones, Teeth, And The Cardiovascular System*
  • 1,000 Iu/45 Mcg: Recent Studies Indicate That Vitamin D-3 Has An Important Function Within The Immune System.* Vitamin K Is Critical For The Formation Of A Healthy, Strong Bone Matrix*
  • Certifications
  • Gmp Quality Assured: Npa A-Rated Gmp Certification Means That Every Aspect Of The Now Manufacturing Process Has Been Examined, Including Our Laboratory/Testing Methods (For Stability, Potency, And Product Formulation)
  • Packaged In The Usa By A Family Owned And Operated Company Since 1968
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#2
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NOW Supplements, MK-7 Vitamin K-2 100 mcg, 120 Veg Capsules

Brand: NOW
$44.00 ($0.37 / Coun
⭐ 4.7
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    SUPPORTS BONE HEALTH*/VEGAN CAPSULES: Vitamin K is well known for its role in the synthesis of a number of blood coagulation factors and is also important for the formation of strong, healthy bones.*
  • TRADEMARKED INGREDIENT/CARDIOVASCULAR SUPPORT*: MenaQ7 MK-7 is a unique soy-free, bioavailable form of vitamin K-2 that plays a critical role in arterial health through its ability to support proper calcium metabolism in blood vessels and arteries.*
  • CERTIFICATIONS/CLASSIFICATIONS: Made without Gluten, Dairy Free, Egg Free, Non-GMO, Kosher, Nut Free, Vegan/Vegetarian
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968
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#3
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Swisse Ultiboost Vitamin K2 60 Capsules

Brand: Swisse
$29.50 ($0.49 / coun
⭐ 4.7
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    Maintains healthy vitamin K levels in the body.
  • Contains menaquinone-7, which has greater bioavailability than other forms of vitamin K.
  • Available in a convenient, one-a-day formula.
  • Supports strong, healthy bones.
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#4
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Best Naturals MK-7 Vitamin K2 100 mcg 120 Vcaps

Brand: Best Naturals
$29.99
⭐ 4.4
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    Our Vitamin K2 MK7 Supports calcium uptake and bone mineralization
  • Supports healthy bones, Supports healthy cardiovascular function, Supports healthy kidney function, Supports healthy aging
  • Our MK7 is superior source of Vitamin K for healthy bones and soft tissues
  • No Articial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish, No Sodium.
  • TOP QUALITY GMP CERTIFIED PRODUCTS - All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world -- Proudly Made in USA -- Purity & Potency Guaranteed
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#5
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NOW Supplements, Mega D-3 & MK-7, 5000 IU / 180 mcg, Bone & Cardiovascular Support*, Vitamins K-3 & K-2, 120 Capsules

Brand: NOW
$54.99 ($0.46 / coun
⭐ 5
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    BONE AND CARDIOVASCULAR SUPPORT*: Combines vitamins D-3 and K-2, two nutrients extensively researched for their roles in the health of bones, teeth and the cardiovascular system.*
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
  • VITAMINS D-3: Vitamin D-3 works with calcium to support bone health, and more recent studies indicate its important for immune system health as well.*
  • VITAMIN K-2: MenaQ7 MK-7 is a unique soy-free, bioavailable form of vitamin K-2 that plays a critical role in arterial health through its ability to support proper calcium metabolism in blood vessels and arteries.*
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)..Packaged in the USA by a family owned and operated company since 1968.
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#6
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Australian NaturalCare - Everyday Health - Vitamin K2 180mcg 90 tabs

Brand: Australian NaturalCare
$35.95 ($0.40 / coun
⭐ 4.1
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    Helps support bone strength and cardiovascular system health
  • Dosage: Take 1 tablet daily with food, or as advised by your healthcare professional.
  • No Added: Dairy, lactose, animal products, wheat, gluten, soy, egg, tree nuts, crustacean.
  • Country of Manufacture: Australia
  • Pack Size: 90 film coated tablets
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#7
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Now Foods Supplements, Vitamin K2 (mk-7) 300 Mcg, Extra Strength, Supports Bone Health, Veg Capsule, 60 Count

Brand: NOW
$44.91 ($0.75 / coun
⭐ 4.2
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    Store in a cool, dry place after opening
  • This extra strength product has three times the vitamin K-2 as in our regular strength product
  • Produced in a GMP facility that processes other Ingredients containing these allergens
  • Dates on US products may be displayed as MM/DD/YYYY
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#8
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Nature's Own Vitamin K2 180mcg 60 Tablets

Brand: Nature's Own
$17.49 ($0.29 / coun
⭐ 4.1
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    BETTER ABSORBED: Natures Own Vitamin K2 contains Menaquinone-7, which has greater bioavailability than other forms of Vitamin K
  • SUPPORTS BONE HEALTH
  • ASSISTS CALCIUM TO INCORPORATE INTO BONE: Vitamin K2 helps activate osteocalcin - a protein found in bone tissue which binds to dietary calcium to help incorporate dietary calcium into bones
  • ONE A DAY
  • Mini Tablets for Convenience
  • Always read the label and follow the directions for use. See product warnings below
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#9
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NOW Supplements, Vitamin K-2 100 mcg with Menaquinone-4 (MK-4), 250 Veg Capsules

Brand: NOW
$42.40 ($0.17 / coun
⭐ 4.1
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    BIOLOGICALLY ACTIVE FORM*/MENAQUINONE-4: As a biologically active form of vitamin K, K-2 is important for the formation of healthy, strong bone matrix.*
  • SUPPORTS BONE HEALTH AND PROPER CALCIUM METABOLISM*: Vitamin K's role in arterial health revolves around its ability to support proper calcium metabolism in vascular structures.*
  • CERTIFICATIONS/CLASSIFICATIONS: Halal, Dairy Free, Egg Free, Kosher, Made in Peanut-Free Facility, Made without Gluten, Non-GMO, Nut Free, Soy free, Sugar Free, Vegan/Vegetarian
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968.During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
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#10
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Life Extension Super K, 90 Softgel

Brand: Life Extension
$33.89 ($0.38 / coun
⭐ 4.2
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    Promotes bone health by facilitating the transfer of calcium into your bones
  • Supports vascular health by helping to maintain calcium balance in your arteries
  • Includes the three kinds of vitamin K commonly found in green veggies, cheeses and meats
  • Super K provides THREE kinds of vitamin K: vitamin K1 and two unique forms of K2, menaquinone-4 (MK-4) and menaquinone-7 (MK-7).
  • Directions: Take One (1) Softgel Daily With Food, Or As Recommended By A Healthcare Practitioner
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