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Vitamin K2 MK-7 (Menaquinone-7) 90 mcg

Carlson
4.8
★ ★ ★ ★ ★
(566 ratings)
Vitamin K 90 mcg
Product Image
Score86
A large-count 90 mcg MK-7 softgel provides convenient, well-priced daily support while remaining nutritionally narrow.
How scoring works
Quantity:120 Softgel(s) • (120 servings)
Goals:
Bone Health
Heart Health
Cardiovascular Support

Score 86

A large-count 90 mcg MK-7 softgel provides convenient, well-priced daily support while remaining nutritionally narrow.
How scoring works
$36.98($0.30 per serving)
iHerb
$ 36.98
Vitacost
$ 36.98
Pure Formulas
$ 36.98
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Analysis

Each serving supplies 90 mcg of long-acting MK-7 for practical daily calcium-handling support. The amount is more substantial than low-dose maintenance products without moving into very high-dose territory.

Softgel delivery is appropriate for vitamin K2, and the 120-serving package improves convenience. Generic sourcing without all-trans verification is the main quality uncertainty.

Long-term users who want K2 alone are the clearest fit. People needing vitamin D, calcium, magnesium, or broader cardiovascular nutrients must cover them separately.

Who is it for
  • Regular users of daily MK-7
  • People who prefer larger package sizes
  • Adults already covering complementary nutrients
Best for
  • Long-term K2 supplementation
  • Practical once-daily dosing
  • Fat-compatible vitamin K delivery

Pros

  • Provides 120 servings
  • Supplies a useful 90 mcg MK-7 amount
  • Uses a softgel format
  • Excellent long-term value

Cons

  • The supplied label does not identify a branded or verified all-trans MK-7 source
  • Single-nutrient formula
  • No vitamin D3 included
  • Does not address structural bone nutrition

Warnings

  • Vitamin K can counteract warfarin and other vitamin K antagonist anticoagulants; use requires prescriber-guided consistency.
  • Bile-acid sequestrants such as cholestyramine can reduce absorption of fat-soluble vitamin K; follow medication-specific spacing advice.
  • Fat-malabsorption conditions can make vitamin K uptake unreliable, so response may need clinical monitoring.

Nutrient quality

94 Highest impact

A well-regarded form and meaningful amount create a focused supplement. The dose is balanced for routine use.

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Ingredient transparency

84 Highest impact

The active form and amount are exceptionally clear with no hidden blend. Missing intake directions and softgel excipients are the only notable gaps.

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Customer satisfaction

70 High impact

Aggregate satisfaction is very strong and supported by a substantial evidence base. No firsthand experience details are supplied, so recurring complaints and purpose alignment cannot be checked.

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Value for money

93 Highest impact

High-quality forms and a favorable serving position create strong value. The package compares very well with similar vitamin K products.

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Report analysis

Goals

Bone Health
Impact
Highest effect
A- Goal FitA Strength of SupportD+ CoverageB+ Formula Quality
Vitamin K · 90 mcg

MK-7 provides targeted support for vitamin K-dependent proteins involved in bone mineral use. Its role is relevant and supported by established biological evidence.

The amount is clearly stated and uses a specific, longer-lasting form of vitamin K2. No calcium, vitamin D, magnesium, or matrix-building nutrient is included, which sharply limits pathway coverage.

Study evidence
Vitamin K Supportive 78 studies
Heart Health
Impact
Highest effect
B+ Goal FitA Strength of SupportD+ CoverageA Formula Quality
Vitamin K · 90 mcg

Vitamin K2 as MK-7 provides direct calcium-management support that is relevant to arterial health. The focused ingredient does not address lipids, vascular tone, or cardiac energy.

The 90 mcg MK-7 amount is clearly disclosed, and the MK-7 form has a long duration of action. The single-pathway design is transparent and free of padding. Vitamin K can counteract warfarin and other vitamin K antagonist medicines, so users of those drugs need clinician-guided intake. No other meaningful product-specific concern is evident from the supplied formula.

Study evidence
Vitamin K Mixed 62 studies
Cardiovascular Support
Impact
High effect
B- Goal FitA Strength of SupportD CoverageA Formula Quality
Vitamin K · 90 mcg

Vitamin K2 has a plausible vascular role by supporting proteins that direct calcium away from arteries. Evidence supports effects on vitamin K status and calcification markers, while cardiovascular outcome evidence remains incomplete.

The 90 mcg MK-7 amount is a practical daily dose. The single-nutrient design is coherent, but vitamin K2 can oppose warfarin and other vitamin K antagonist anticoagulants.

Study evidence
Vitamin K Supportive 40 studies

Ingredients

IngredientAmount per serving
Vitamin K2 (Menaquinone-7)
90 mcg
Gluten Free Adults 18–50 Women
Report overview
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The formula delivers a focused 90 mcg MK-7 serving in an absorption-friendly softgel. Its generic source lacks branded or all-trans confirmation. The larger count maintains exceptional cost efficiency.

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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. Does vitamin K2 play a role in the prevention and treatment of osteoporosis for postmenopausal women: a meta-analysis of randomized controlled trials.
    Huang ZB; Wan SL; Lu YJ; Ning L; Liu C; Fan SW · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2015
    Meta-analysis6,759 participants19 studies pooledBone Health forVitamin K
  3. 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
  4. Comparison of concurrent treatment with vitamin K2 and risedronate compared with treatment with risedronate alone in patients with osteoporosis: Japanese Osteoporosis Intervention Trial-03.
    Tanaka S; Miyazaki T; Uemura Y; Miyakawa N; Gorai I; Nakamura T; Fukunaga M; Ohashi Y; Ohta H; Mori S; Hagino H; Hosoi T; Sugimoto T; Itoi E; Orimo H; Shiraki M · Journal of bone and mineral metabolism · 2018
    Randomized trial1,874 participantsBone Health forVitamin K
  5. 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
  6. 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
  7. 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
  8. 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
  9. Interventions to Attenuate Cardiovascular Calcification Progression: A Systematic Review of Randomized Clinical Trials.
    Murali S; Smith ER; Tiong MK; Tan SJ; Toussaint ND · Journal of the American Heart Association · 2024
    Systematic review9,901 participants49 studies pooledCardiovascular Support forVitamin K
  10. Intake of dietary phylloquinone and menaquinones and risk of stroke.
    Vissers LE; Dalmeijer GW; Boer JM; Monique Verschuren WM; van der Schouw YT; Beulens JW · Journal of the American Heart Association · 2014
    Cohort study35,476 participantsCardiovascular Support forVitamin K
  11. Circulating uncarboxylated matrix Gla protein, a marker of vitamin K status, as a risk factor of cardiovascular disease.
    van den Heuvel EG; van Schoor NM; Lips P; Magdeleyns EJ; Deeg DJ; Vermeer C; den Heijer M · Maturitas · 2014
    Cohort study577 participantsCardiovascular Support forVitamin K
  12. 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
  13. 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
  14. 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
  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. 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