The 8 Best Vitamin K2 (MK-7) Supplements of 2026
A professional guide to choosing MK‑7 supplements for bone and cardiovascular support
Quick Comparison: Top 8 Vitamin K2 (MK-7) Supplements
Our Top Picks
Detailed Product Reviews
Nutricost Vitamin K2 MK-7 100 mcg
Key Features:
- 100 mcg menaquinone‑7 per softgel
- 240-count bottle for long supply
- Gluten-free, GMO-free formulation
- Simple, single-ingredient focus
Why We Chose This:
Nutricost offers high value with a stable MK‑7 dose and a 240-count bottle that lowers per-serving cost. It's a practical choice for most adults seeking routine support.
✓ Pros
- Excellent price per serving
- Large bottle reduces reorders
- Straightforward ingredient profile
- Free from common allergens
✗ Cons
- Lower 100 mcg dose than some clinical studies
- Softgels may contain oil carrier
🩺 Key Benefits:
- Bone Health: MK‑7 activates osteocalcin, supporting calcium incorporation into bone.
- Cardiovascular Support: May help direct calcium away from arterial walls via matrix Gla protein activation.
- Convenience: High-count bottle simplifies long-term supplementation.
- Allergen-Friendly: Formulated without gluten and GMO ingredients.
⭐ Customer Review Highlight:
“Reliable everyday K2 at a great price — easy to take and lasts for months.” — Verified Amazon Customer
InnovixLabs Full Spectrum Vitamin K2
Key Features:
- Full‑spectrum K2 (MK‑7 and MK‑4)
- Higher total mcg formulation
- Soy- and gluten-free
- Designed for bone and general health
Why We Chose This:
InnovixLabs' blend provides both MK‑7 and MK‑4 forms at a higher total dose for users seeking broader menaquinone coverage for bone and circulatory health.
✓ Pros
- Includes MK‑4 and MK‑7
- Higher overall dose per serving
- Suitable for those wanting more robust intake
✗ Cons
- Higher price than basic K2 products
- May exceed needs for average users
🩺 Key Benefits:
- Dual-Form Action: MK‑4 and MK‑7 target different tissues and kinetics for complementary effects.
- Bone Density Support: Dual forms may better support bone remodeling in some studies.
- Flexibility: Higher dose useful for clinicians or users under guidance.
- Heart Health: May enhance vascular matrix Gla protein activation to reduce arterial calcification risk.
⭐ Customer Review Highlight:
“Feels potent and well-formulated — I like the MK‑4 plus MK‑7 approach for extra coverage.” — Verified Amazon Customer
MARYRUTH'S Organic Vitamin K2 MK‑7 Liquid Drops
Key Features:
- USDA Organic natto-sourced MK‑7
- Vegan-friendly liquid formula
- Easy dosing for children and adults
- Up to ~90 servings per bottle
Why We Chose This:
MaryRuth's liquid MK‑7 is an organic, natto-derived option ideal for users who need flexible dosing or prefer a swallow-free delivery method.
✓ Pros
- Gentle, liquid delivery
- Organic and vegan
- Good for children or those with pill aversion
✗ Cons
- Shorter shelf life after opening
- Less convenient for travel
🩺 Key Benefits:
- Adaptable Dosing: Drops let caregivers and users titrate smaller pediatric or incremental adult doses.
- Bone Support: MK‑7 supports osteocalcin carboxylation for calcium use in bone.
- Plant-Based Source: Natto-derived K2 provides a vegan-friendly menaquinone.
- Absorption: Liquid format can be more bioavailable for people with fat absorption issues when taken with food.
⭐ Customer Review Highlight:
“Perfect for my kids and easy to mix into juice — no pill hassles and organic sourcing is a plus.” — Verified Amazon Customer
Vital Nutrients Vitamin K2-7
Key Features:
- Clinician-focused supplement quality
- Vegan capsule and non-GMO ingredients
- Formulated for cardiovascular and bone support
- Free from common allergens
Why We Chose This:
Vital Nutrients is designed to meet clinician expectations with clean ingredients, a vegan capsule, and appropriate MK‑7 dosing for therapeutic use.
✓ Pros
- High manufacturing standards
- Allergen-free formulation
- Vegan-friendly
✗ Cons
- Smaller bottle increases refill frequency
- Priced toward mid-range
🩺 Key Benefits:
- Cardiovascular Support: Promotes activation of proteins that inhibit arterial calcification.
- High Quality: Manufactured to practitioner-grade standards for consistency.
- Bone Remodeling: Supports osteocalcin function for bone mineralization.
- Vegan: Suitable for plant-based diets with vegan capsule technology.
⭐ Customer Review Highlight:
“Professional-quality K2 that fits my protocol — clean and effective.” — Verified Amazon Customer
UpNourish Liposomal Vitamin K2 MK‑7
Key Features:
- 180 mcg MK‑7 per softgel
- Liposomal formulation for enhanced delivery
- Formulated for improved absorption
- Targeted at adults seeking higher uptake
Why We Chose This:
UpNourish uses liposomal technology to boost MK‑7 absorption, an attractive feature for people with compromised fat absorption or those wanting maximum uptake.
✓ Pros
- Higher per-dose MK‑7
- Liposomal delivery may increase bioavailability
- Good for those with absorption issues
✗ Cons
- More expensive per serving
- Fewer independent absorption studies in supplement form
🩺 Key Benefits:
- Enhanced Uptake: Liposomal encapsulation can improve intestinal absorption of fat-soluble K2.
- Bone & Heart Support: Higher MK‑7 dose supports osteocalcin and MGP activation.
- Convenience: Once-daily dosing with a mid-range count per bottle.
- Targeted Use: Useful when standard oil-based softgels provide insufficient effect.
⭐ Customer Review Highlight:
“I noticed better results after switching to liposomal K2 — seems to work faster for me.” — Verified Amazon Customer
Sports Research Vitamin K2 (MK‑7) with MCT Oil
Key Features:
- 100 mcg MK‑7 per serving
- Formulated with coconut MCT oil for absorption
- Vegan-certified and non‑GMO
- Gluten and soy free
Why We Chose This:
Sports Research combines MK‑7 with MCT oil and vegan certification, offering an accessible option for plant-based consumers who want a clean carrier oil.
✓ Pros
- MCT oil carrier supports fat-soluble absorption
- Vegan certified
- Solid brand reputation
✗ Cons
- Standard 100 mcg dose may be low for therapeutic use
- 60-count requires regular repurchase
🩺 Key Benefits:
- Bioavailability: MCT oil helps dissolve and absorb fat‑soluble MK‑7.
- Vegan-Friendly: Suitable for plant-based diets while retaining an oil carrier.
- Maintenance Dose: 100 mcg is appropriate for routine daily support.
- Cardiovascular Benefit: Supports proteins that prevent arterial calcium deposition.
⭐ Customer Review Highlight:
“A clean, vegan K2 that I trust daily — no digestive issues and a reliable dose.” — Verified Amazon Customer
NOW Foods MK‑7 Vitamin K‑2
Key Features:
- 120 veg capsules for extended supply
- 100 mcg MK‑7 per capsule
- Supports cardiovascular and bone health
- Non-GMO and allergen-conscious
Why We Chose This:
NOW Foods delivers a dependable, cost-effective MK‑7 option with a large capsule count for ongoing maintenance dosing at a low per‑serving price.
✓ Pros
- Large count reduces cost
- Reputable supplement manufacturer
- Vegetarian capsule
✗ Cons
- Basic single-ingredient formulation
- 100 mcg dose not ideal for higher-need users
🩺 Key Benefits:
- Cost Efficiency: Large bottle size lowers long-term supplement cost.
- Bone Support: MK‑7 helps osteocalcin bind calcium in bone matrix.
- Cardiovascular: May reduce progression of arterial calcification risk factors.
- Daily Maintenance: Appropriate for routine K2 intake.
⭐ Customer Review Highlight:
“Great value and dependable performance — a solid staple for my supplement shelf.” — Verified Amazon Customer
Life Extension Super K (K1 + K2)
Key Features:
- High total vitamin K content (K1 and K2 mix)
- Includes both K1 and multiple K2 forms
- Once-daily softgel
- Formulated for cardiovascular and bone protocols
Why We Chose This:
Life Extension Super K is designed for users and clinicians seeking a broad-spectrum, high‑potency vitamin K program combining K1 and K2 variants for maximal coverage.
✓ Pros
- Extremely comprehensive K profile
- Once-daily dosing
- Backed by a well-known supplement brand
✗ Cons
- High overall dose may be unnecessary for many
- Requires medical oversight if on anticoagulants
🩺 Key Benefits:
- Comprehensive K Support: Combines K1 and multiple K2 forms to cover diverse physiological needs.
- Bone Health: Supports osteocalcin activation and bone mineralization.
- Vascular Health: Targets matrix Gla protein for arterial protection.
- Therapeutic Use: High-dose profile suitable under clinician guidance for specific protocols.
⭐ Customer Review Highlight:
“Powerful formulation — ideal if you need a comprehensive K product and are monitoring intake carefully.” — Verified Amazon Customer
Expert Recommendations
🎯 Who Should Consider Vitamin K2 (MK-7) Supplements?
- Adults concerned about bone health: MK‑7 supports osteocalcin activation and calcium incorporation into bone.
- People with cardiovascular risk: Vitamin K2 helps activate proteins that may limit arterial calcification.
- Those on long-term calcium supplementation: K2 can help direct supplemental calcium to bones rather than vascular tissue.
- Individuals with difficulty swallowing pills: Liquid MK‑7 drops offer flexible dosing for kids or those who avoid capsules.
💡 Pro Tip:
Take MK‑7 with a small fat-containing meal to improve absorption and consistency of daily intake.
⚠️ Important Note:
If you take prescription anticoagulants (e.g., warfarin) or have a bleeding disorder, consult your healthcare provider before starting vitamin K supplements.
The Bottom Line
Vitamin K2 (MK‑7) supplements can support bone mineralization and cardiovascular health; choose a product based on dose, delivery form, and medical context.
Choose Nutricost Vitamin K2 MK-7 100 mcg if:
Choose this if you want the best value and a straightforward daily MK‑7 dose.
Choose InnovixLabs Full Spectrum Vitamin K2 if:
Choose this if you prefer a higher-dose blend of MK‑7 and MK‑4 for broader coverage.
Choose UpNourish Liposomal Vitamin K2 MK‑7 if:
Choose this if you need enhanced absorption or have fat‑malabsorption concerns.
Choose Life Extension Super K if:
Choose this if you need a comprehensive, high‑potency K1/K2 protocol under medical guidance.
Pick the MK‑7 supplement that fits your dose needs, form preference, and medical situation, and consult a clinician for high-dose or combination protocols.
Frequently Asked Questions
What is the difference between MK‑7 and other K2 forms?
MK‑7 has a longer half-life than MK‑4, allowing once-daily dosing and sustained activation of K‑dependent proteins.
How much vitamin K2 (MK‑7) should I take daily?
Common maintenance doses range from 100–200 mcg/day; higher doses are used in clinical protocols under professional supervision.
Can I take vitamin K2 with blood thinners?
Do not start or change vitamin K supplementation without consulting your prescribing clinician, as K can affect anticoagulant dosing.
Is MK‑7 safe during pregnancy or breastfeeding?
There is limited data; discuss supplementation with your healthcare provider to assess risks and benefits.
Should I take K2 with food?
Yes — take MK‑7 with a meal containing fat to improve absorption of this fat‑soluble vitamin.
Important Disclaimers
Affiliate Disclosure: We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Medical Disclaimer: This article is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional before starting any treatment.
