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MK-7 Vitamin K2 160 mcg

4.8
★ ★ ★ ★ ★
(191 ratings)
Vitamin K 160 mcg
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Score86

A simple MK-7 supplement provides focused vitamin K2 support, with the absence of companion bone nutrients as the main trade-off.

How scoring works
Tablet
Quantity:60 Tablet(s) • (60 servings)
Goals:
Heart Health
Anti-Aging
Bone Health
General Health
Cardiovascular Support

Score 86

A simple MK-7 supplement provides focused vitamin K2 support, with the absence of companion bone nutrients as the main trade-off.

How scoring works
$38.00($0.63 per serving)
Vitacost
$ 38.00
iHerb
$ 38.00
Pure Formulas
$ 38.00
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Analysis

MK-7 is a long-acting vitamin K2 form that supports activation of proteins involved in bone mineral use and calcium handling. The focused formula is easier to assess than a large multinutrient blend.

The a substantial daily amount is clearly aligned with dedicated K2 supplementation. The simple formula is easy to assess but relatively costly, although it does not supply vitamin D, calcium, or magnesium for broader bone support.

The label is simple and the active is easy to identify. Vitamin K still requires careful coordination with medicines designed to block its action.

Who is it for
  • Adults seeking standalone MK-7
  • People who already obtain vitamin D separately
  • Users who prefer a tablet
Best for
  • Standalone vitamin K2 use
  • Customizing a separate bone-nutrient routine
  • Long-acting MK-7 supplementation

Pros

  • MK-7 form is identified
  • a substantial daily amount
  • Simple single-active formula
  • The simple formula is easy to assess but relatively costly

Cons

  • No vitamin D included
  • No calcium or magnesium included
  • Narrow single-nutrient role

Warnings

  • Vitamin K can oppose warfarin and related vitamin-K-antagonist medicines; use requires consistent medical guidance.
  • People with a diagnosed bleeding or clotting disorder should not self-prescribe vitamin K2.
  • Standalone K2 should not be used to correct a diagnosed vitamin K deficiency without identifying the cause.

Nutrient quality

95 Highest impact

The focused active formula contains little apparent low-value padding. The active ingredients closely match the formula’s intended calcium-support role.

Ingredient transparency

84 Highest impact

All listed active ingredients have specific amounts. A complete list of inactive ingredients is not supplied.

Customer satisfaction

89 Highest impact

The aggregate customer rating is strong. The modest review count limits confidence in the aggregate rating.

Value for money

74 High impact

The price is supported mainly by useful core actives rather than low-value extras. Serving value is weak relative to the disclosed active formula.

Report analysis

Goals

Heart Health
Impact
Highest effect
A- Goal FitA+ Strength of SupportC CoverageA+ Formula Quality
Vitamin K · 160 mcg

Vitamin K2 as MK-7 directly supports activation of proteins involved in keeping calcium out of soft tissues. The focused arterial-health mechanism has credible human and mechanistic support.

MenaQ7 and the 160 mcg amount are clearly identified without unrelated ingredients. Vitamin K2 can oppose warfarin and other vitamin K antagonist anticoagulants, making this a specific medication interaction.

Study evidence
Vitamin K Mixed 62 studies
Anti-Aging
Impact
Highest effect
B+ Goal FitA+ Strength of SupportC CoverageA+ Formula Quality
Vitamin K · 160 mcg

MK-7 directly supports proteins involved in bone mineral use and vascular calcium management, making it relevant to healthy aging. The 160 mcg amount is substantial, though a single vitamin cannot address the many other drivers of aging.

The branded MK-7 form and exact amount are clearly disclosed in one tablet. Vitamin K2 can oppose warfarin, so people using that anticoagulant need prescriber-guided monitoring rather than unsupervised use.

Study evidence
Vitamin K Supportive 27 studies
Bone Health
Impact
Highest effect
B+ Goal FitA Strength of SupportD+ CoverageA+ Formula Quality
Vitamin K · 160 mcg

Branded MenaQ7 provides focused support for vitamin K-dependent bone proteins and calcium placement. The clearly stated amount is well aligned, though the tablet has no disclosed lipid carrier.

The product supplies no structural minerals, vitamin D, or protein-matrix ingredients, so it covers only one part of bone health. MK-7 can interfere with warfarin and related vitamin K antagonists, making consistent clinician-managed vitamin K intake important for users of those medicines.

Study evidence
Vitamin K Supportive 78 studies
General Health
Impact
Highest effect
B Goal FitA Strength of SupportD+ CoverageA+ Formula Quality
Vitamin K · 160 mcg

MK-7 vitamin K2 supports normal calcium handling and bone-related health. The branded form and precise amount are useful quality strengths.

The single-vitamin design is narrow and does not fill many common nutritional gaps. Vitamin K2 can oppose warfarin and related vitamin K antagonist medicines, so users of those drugs need clinician-guided intake.

Study evidence
Vitamin K Supportive 34 studies
Cardiovascular Support
Impact
High effect
B- Goal FitC+ Strength of SupportD+ CoverageA Formula Quality
Vitamin K · 160 mcg

Vitamin K provides a relevant route to cardiovascular support. Dose or form uncertainty limits confidence in the practical contribution.

The formula remains narrow rather than comprehensive. Vitamin K can oppose warfarin and related vitamin-K-antagonist medicines, so the intake should remain medically coordinated and consistent.

Study evidence
Vitamin K Supportive 40 studies

Ingredients

IngredientAmount per serving
Vitamin K2 (Mena Q7)
160 mcg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyB+ Value

Branded MenaQ7 supplies a clearly disclosed 160 mcg MK-7 dose with strong source quality. The dry tablet lacks a lipid base or meal guidance, while the clinical dose and branded source support fair value. The 160 mcg vitamin K amount can counteract warfarin and other vitamin K antagonist anticoagulants, so intake should remain consistent.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Three-year low-dose menaquinone-7 supplementation helps decrease bone loss in healthy postmenopausal women.
    Knapen MH; Drummen NE; Smit E; Vermeer C; Theuwissen E · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial244 participantsBone Health forVitamin K
  2. Investigating the interrelationship of vitamin K and vitamin D status on bone density: results from the VITamin D and OmegA-3 TriaL.
    Chou SH; Booth SL; Cook NR; Kim E; Kotler G; Fu X; Buring JE; Manson JE; LeBoff MS · JBMR plus · 2026
    Randomized trial771 participantsBone Health forVitamin K
  3. Vitamin K status, cardiovascular disease, and all-cause mortality: a participant-level meta-analysis of 3 US cohorts.
    Shea MK; Barger K; Booth SL; Matuszek G; Cushman M; Benjamin EJ; Kritchevsky SB; Weiner DE · The American journal of clinical nutrition · 2020
    Meta-analysis3,891 participants3 studies pooledAnti-Aging General Health forVitamin K
  4. Topical Menaquinone‑7 (Vitamin K2, MK-7) as a Mitochondrial Bioenergetic Activator for Skin Anti-Aging: Mechanistic Evidence in Skin Cells and a Randomized Split-Face/Neck Study.
    Huang H; Wei R; Xu C; Liu C; Zhao S; Li Y; Wang M · ACS omega · 2026
    Randomized trial30 participantsAnti-Aging forVitamin K
  5. Vitamin K status and cognitive function in healthy older adults.
    Presse N; Belleville S; Gaudreau P; Greenwood CE; Kergoat MJ; Morais JA; Payette H; Shatenstein B; Ferland G · Neurobiology of aging · 2014
    Cross-sectional study320 participantsAnti-Aging forVitamin K
  6. High dephospho-uncarboxylated matrix Gla protein concentrations, a plasma biomarker of vitamin K, in relation to frailty: the Longitudinal Aging Study Amsterdam.
    Machado-Fragua MD; Hoogendijk EO; Struijk EA; Rodriguez-Artalejo F; Lopez-Garcia E; Beulens JW; van Ballegooijen AJ · European journal of nutrition · 2021
    Cohort study644 participantsAnti-Aging forVitamin K
  7. Vitamin K Concentration and Cognitive Status in Elderly Patients on Anticoagulant Therapy: A Pilot Study.
    Alisi L; Cafolla C; Gentili A; Tartaglione S; Curini R; Cafolla A · Journal of aging research · 2022
    Cross-sectional study85 participantsAnti-Aging forVitamin K
  8. Vitamin K and the prevention of fractures: systematic review and meta-analysis of randomized controlled trials.
    Cockayne S; Adamson J; Lanham-New S; Shearer MJ; Gilbody S; Torgerson DJ · Archives of internal medicine · 2006
    Meta-analysis13 studies pooledBone Health forVitamin K
  9. Effect of combined administration of vitamin D3 and vitamin K2 on bone mineral density of the lumbar spine in postmenopausal women with osteoporosis.
    Iwamoto J; Takeda T; Ichimura S · Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association · 2001
    Randomized trial92 participantsBone Health forVitamin K
  10. Efficacy and safety of vitamin K2 for postmenopausal women with osteoporosis at a long-term follow-up: meta-analysis and systematic review.
    Zhou M; Han S; Zhang W; Wu D · Journal of bone and mineral metabolism · 2022
    Meta-analysis6,853 participants9 studies pooledBone Health forVitamin K
  11. Low-dose vitamin K2 (MK-4) supplementation for 12 months improves bone metabolism and prevents forearm bone loss in postmenopausal Japanese women.
    Koitaya N; Sekiguchi M; Tousen Y; Nishide Y; Morita A; Yamauchi J; Gando Y; Miyachi M; Aoki M; Komatsu M; Watanabe F; Morishita K; Ishimi Y · Journal of bone and mineral metabolism · 2015
    Randomized trial48 participantsBone Health forVitamin K
  12. Vitamin K Intake and Atherosclerotic Cardiovascular Disease in the Danish Diet Cancer and Health Study.
    Bellinge JW; Dalgaard F; Murray K; Connolly E; Blekkenhorst LC; Bondonno CP; Lewis JR; Sim M; Croft KD; Gislason G; Torp-Pedersen C; Tjønneland A; Overvad K; Hodgson JM; Schultz C; Bondonno NP · Journal of the American Heart Association · 2021
    Cohort study53,372 participantsCardiovascular Support Heart Health forVitamin K
  13. Menaquinone-7 supplementation improves arterial stiffness in healthy postmenopausal women. A double-blind randomised clinical trial.
    Knapen MH; Braam LA; Drummen NE; Bekers O; Hoeks AP; Vermeer C · Thrombosis and haemostasis · 2016
    Randomized trial244 participantsCardiovascular Support Heart Health forVitamin K
  14. Effects of One-Year Menaquinone-7 Supplementation on Vascular Stiffness and Blood Pressure in Post-Menopausal Women.
    de Vries F; Bittner R; Maresz K; Machuron F; Gåserød O; Jeanne JF; Schurgers LJ · Nutrients · 2025
    Randomized trial165 participantsCardiovascular Support forVitamin K
  15. Dietary Vitamin K1 Intake and Incident Aortic Valve Stenosis.
    Schultz CJ; Dalgaard F; Bellinge JW; Murray K; Sim M; Connolly E; Blekkenhorst LC; Bondonno CP; Lewis JR; Gislason GH; Tjønneland A; Overvad K; Hodgson JM; Bondonno NP · Arteriosclerosis, thrombosis, and vascular biology · 2024
    Cohort study55,545 participantsCardiovascular Support Heart Health forVitamin K
  16. Association between vitamin K1 intake and mortality in the Danish Diet, Cancer, and Health cohort.
    Palmer CR; Bellinge JW; Dalgaard F; Sim M; Murray K; Connolly E; Blekkenhorst LC; Bondonno CP; Croft KD; Gislason G; Tjønneland A; Overvad K; Schultz C; Lewis JR; Hodgson JM; Bondonno NP · European journal of epidemiology · 2021
    Cohort study56,048 participantsCardiovascular Support Heart Health forVitamin K
  17. Dietary vitamin K intake associates with reduced all-cause mortality in non-alcoholic fatty liver disease patients.
    Huang Y; Zhu X; Han L; Hu H · Scientific reports · 2025
    Cohort study7,857 participantsGeneral Health forVitamin K
  18. The Effect of Topical Vitamin K1 on the Treatment of Cetuximab-Induced Skin Rashes in Metastatic Colorectal Cancer Patients.
    Roayaei M; Rezaei M; Najafizade N · Advanced biomedical research · 2024
    Randomized trial49 participantsGeneral Health forVitamin K
  19. Effect of vitamin K on improving post‑kidney transplant outcomes: a meta‑analysis.
    Sun Z; Zhu K; Liang G; Yan F; Chao S; Jia L; Niu Y · Experimental and therapeutic medicine · 2023
    Meta-analysis7 studies pooledGeneral Health forVitamin K
  20. Vitamin K1 intake is associated with lower risk for all-cause and cardiovascular disease mortality in community-dwelling older Australian women.
    Dupuy M; Radavelli-Bagatini S; Zhong L; Dalla Via J; Zhu K; Blekkenhorst LC; Bondonno NP; Linneberg A; Bellinge JW; Schultz C; Courtney W; Prince RL; Hodgson JM; Lewis JR; Sim M · Nutrition, metabolism, and cardiovascular diseases : NMCD · 2024
    Cohort study1,436 participantsGeneral Health forVitamin K
  21. The effect of vitamin K1 on arterial calcification activity in subjects with diabetes mellitus: a post hoc analysis of a double-blind, randomized, placebo-controlled trial.
    Bellinge JW; Francis RJ; Lee SC; Bondonno NP; Sim M; Lewis JR; Watts GF; Schultz CJ · The American journal of clinical nutrition · 2022
    Randomized trial149 participantsHeart Health forVitamin K