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

Carlson
4.8
★ ★ ★ ★ ★
(567 ratings)
Vitamin K 90 mcg
Product Image
Score86
A practical 90 mcg MK-7 softgel combines clear dosing, suitable delivery, and good value, but it remains a single-pathway supplement.
How scoring works
Quantity:60 Softgel(s) • (60 servings)
Goals:
Bone Health
Heart Health
Cardiovascular Support

Score 86

A practical 90 mcg MK-7 softgel combines clear dosing, suitable delivery, and good value, but it remains a single-pathway supplement.
How scoring works

Also available as

5 options
K:45mcg • 180 Softgel(s) servings K 45 mcg • 180 Softgel(s) • 180 servings $33.92 ($0.18 per serving) K:45mcg • 90 Softgel(s) servings K 45 mcg • 90 Softgel(s) • 90 servings $18.28 ($0.20 per serving) 120 servings K 90 mcg • 120 Softgel(s) • 120 servings $36.98 ($0.30 per serving) K:180mcg • 180 Softgel(s) servings K 180 mcg • 180 Softgel(s) • 90 servings $54.74 ($0.60 per serving) K:180mcg • 90 Softgel(s) servings K 180 mcg • 90 Softgel(s) • 45 servings $29.24 ($0.64 per serving)
$19.13($0.31 per serving)
iHerb
$ 19.13
Vitacost
$ 19.13
Report prices

Analysis

The serving provides 90 mcg of menaquinone-7, a long-acting vitamin K2 form well suited to once-daily use. The amount is a useful middle ground between low-dose maintenance and high-strength formulas.

Softgel delivery supports absorption of a fat-soluble nutrient, and the simple label is easy to assess. The supplied information does not verify a branded or all-trans MK-7 source.

It fits users who want focused K2 and already have adequate vitamin D and mineral intake. Broader bone or heart goals require other dietary and lifestyle support.

Who is it for
  • Adults seeking a practical daily MK-7 amount
  • People who prefer softgels
  • Users with vitamin D covered elsewhere
Best for
  • Focused daily K2 support
  • Once-daily softgel use
  • Bone and vascular calcium handling

Pros

  • Supplies 90 mcg of MK-7
  • Uses a fat-compatible softgel
  • Clearly identifies form and amount
  • Strong serving value

Cons

  • The supplied label does not identify a branded or verified all-trans MK-7 source
  • Does not include vitamin D3
  • No calcium or magnesium
  • Covers calcium handling but not the wider range of bone or cardiovascular pathways

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

91 Highest impact

Useful forms and a sound serving position support good value. The package compares very well with similar vitamin K products.

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Goals

Bone Health
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
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
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
Vitamin K (Menaquinone-7) · 90 mcg OverallScore95
A- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

A focused 90 mcg MK-7 serving reaches the preferred dose range. Softgel delivery supports fat-soluble absorption, although the MK-7 source is not branded or verified as all-trans. Cost efficiency is exceptional for an effective serving.

View ingredientView products
Loading alternative details
86 Performance

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

Carlson
Compared with 90 mcg of MK-7 vitamin K2, the alternative provides 90 mcg of MK-7 vitamin K2, and the clearly identified MK-7 form gives a more focused ingredient basis. Its focused formula offers solid routine value, though vitamin K can conflict with warfarin and similar vitamin K antagonists.
87 Performance

Vitamin K2 as MK-7 100 mcg

Healthy Origins
Compared with 90 mcg of MK-7 vitamin K2, the alternative provides 100 mcg of MK-7 vitamin K2, and the supplied analysis indicates stronger overall quality. Vitamin K2 can reduce the effect of warfarin-type anticoagulants.
87 Performance

Vitamin K2 100 mcg

SR Sports Research
Compared with 90 mcg of MK-7 vitamin K2, the alternative provides 100 mcg of MK-7 vitamin K2, and the supplied analysis indicates stronger overall quality. Vitamin K2 can reduce the effect of warfarin-type anticoagulants, so intake changes require prescriber guidance.
88 Budget

Vitamin K2 MK-7 100 mcg

Nutricost
The supplied serving cost is lower, while the formula provides 100 mcg of MK-7 vitamin K2. Vitamin K2 can interfere with warfarin-type anticoagulants.
89 Budget

Mega D-3 5000 IU & MK-7 180 mcg

NOW
The supplied serving cost is lower, while the formula provides 125 mcg of vitamin D3 with 180 mcg of MK-7 vitamin K2. High vitamin D remains the main dosing limitation, while the dry capsule lacks stated fat-intake guidance.
85 Budget

Vitamin K2 MenaQ7 100 mcg

AN Amazing Nutrition Amazing Formulas
The supplied serving cost is lower, while the formula provides vitamin k2. Its vitamin K can counteract warfarin and related vitamin K antagonists, so people using those medicines need clinician-directed intake.
87 Value

MK-7 Vitamin K-2 100 mcg

NOW
100 mcg of MK-7 vitamin K2 offers a practical value trade-off because the supplied serving cost is lower and the value analysis is stronger. Its long supply supports strong value, though vitamin K can conflict with warfarin and similar vitamin K antagonists.
87 Value

Low Dose Vitamin K2 (MK-7) 45 mcg

Life Extension
45 mcg of MK-7 vitamin K2 offers a practical value trade-off because the supplied serving cost is lower and the value analysis is stronger. Its focused formula offers good routine value, though vitamin K can conflict with warfarin and similar vitamin K antagonists.
86 Value

Natural Vitamin K2 MK-7 with MenaQ7 100 mcg

Doctor's Best
100 mcg of MK-7 vitamin K2 offers a practical value trade-off because the supplied serving cost is lower and the value analysis is stronger. Its vitamin K can oppose warfarin and related vitamin-K-antagonist anticoagulants, so the product is not suitable for unsupervised use with those medicines.
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Sources

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

  1. Association of vitamin K with cardiovascular events and all-cause mortality: a systematic review and meta-analysis.
    Chen HG; Sheng LT; Zhang YB; Cao AL; Lai YW; Kunutsor SK; Jiang L; Pan A · European journal of nutrition · 2020
    Meta-analysis222,592 participants21 studies pooledHeart Health forVitamin K
  2. 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
  3. Vitamin K Supplementation to Improve Vascular Stiffness in CKD: The K4Kidneys Randomized Controlled Trial.
    Witham MD; Lees JS; White M; Band M; Bell S; Chantler DJ; Ford I; Fulton RL; Kennedy G; Littleford RC; McCrea IV; McGlynn D; Panarelli M; Ralston MR; Rutherford E; Severn A; Thomson N; Traynor JP; Struthers AD; Wetherall K; Mark PB · Journal of the American Society of Nephrology : JASN · 2021
    Randomized trial159 participantsHeart Health forVitamin K
  4. 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
  5. Six weeks phylloquinone supplementation produces undesirable effects on blood lipids with no changes in inflammatory and fibrinolytic markers in postmenopausal women.
    Kristensen M; Kudsk J; Bügel S · European journal of nutrition · 2008
    Randomized trial31 participantsHeart Health forVitamin K
  6. Vitamin K supplementation in postmenopausal women with osteopenia (ECKO trial): a randomized controlled trial.
    Cheung AM; Tile L; Lee Y; Tomlinson G; Hawker G; Scher J; Hu H; Vieth R; Thompson L; Jamal S; Josse R · PLoS medicine · 2009
    Randomized trial440 participantsBone Health forVitamin K
  7. 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 participantsHeart Health Cardiovascular Support forVitamin K
  8. 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
  9. Vitamin K Supplementation for the Prevention of Cardiovascular Disease: Where Is the Evidence? A Systematic Review of Controlled Trials.
    Vlasschaert C; Goss CJ; Pilkey NG; McKeown S; Holden RM · Nutrients · 2021
    Systematic review9 studies pooledHeart Health forVitamin K
  10. 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
  11. Vitamin K intake and all-cause and cause specific mortality.
    Zwakenberg SR; den Braver NR; Engelen AIP; Feskens EJM; Vermeer C; Boer JMA; Verschuren WMM; van der Schouw YT; Beulens JWJ · Clinical nutrition (Edinburgh, Scotland) · 2018
    Cohort study33,289 participantsHeart Health 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. 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 participantsHeart Health Cardiovascular Support forVitamin K
  15. Vitamin K2 (menaquinone-7) prevents age-related deterioration of trabecular bone microarchitecture at the tibia in postmenopausal women.
    Rønn SH; Harsløf T; Pedersen SB; Langdahl BL · European journal of endocrinology · 2017
    Randomized trial148 participantsBone 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 participantsHeart Health Cardiovascular Support forVitamin K
  17. Dietary vitamin K intakes and atherosclerotic cardiovascular disease incidence: Findings from the UK biobank.
    Dupuy M; Li C; Pokharel P; Zhong L; Parmenter BH; Radavelli-Bagatini S; Dalla Via J; Linneberg A; Jakobsen J; Kühn T; Cassidy A; Hodgson JM; Lewis JR; Sim M; Bondonno NP · Atherosclerosis · 2026
    Cohort study112,111 participantsHeart Health forVitamin K
  18. Two-year randomized controlled trial of vitamin K1 (phylloquinone) and vitamin D3 plus calcium on the bone health of older women.
    Bolton-Smith C; McMurdo ME; Paterson CR; Mole PA; Harvey JM; Fenton ST; Prynne CJ; Mishra GD; Shearer MJ · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2007
    Randomized trial244 participantsBone Health forVitamin K
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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