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

NOW
4.8
★ ★ ★ ★ ★
(59875 ratings)
Vitamin K 180 mcg
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Score89

A focused D3-and-K2 pairing uses useful forms, but the high vitamin D amount needs a clear reason and vitamin K is incompatible with unsupervised vitamin-K-antagonist therapy.

How scoring works
Quantity:120 Capsule(s) • (120 servings)
Goals:
Heart Health
Bone Health
General Health
Anti-Aging
Cardiovascular Support

Score 89

A focused D3-and-K2 pairing uses useful forms, but the high vitamin D amount needs a clear reason and vitamin K is incompatible with unsupervised vitamin-K-antagonist therapy.

How scoring works

Also available as

1 option
60 servings K 180 mcg • 60 Capsule(s) • 60 servings $10.40 ($0.17 per serving)
$26.60($0.22 per serving)
iHerb
$ 28.16
Vitacost
$ 28.16
Daily Vita
$ 26.60
iHerb
$ 28.16
Report prices

Analysis

Vitamin D3 supports calcium absorption, while vitamin K2 supports proteins involved in directing calcium into bone. The pairing is coherent for people with a defined need for both nutrients.

The capsule supplies a high vitamin D3 amount and a meaningful branded MenaQ7 MK-7 amount. The long supply and identified K2 source strengthen value

High-dose vitamin D is not automatically better when status is already adequate and may raise calcium too far in susceptible users. The label is otherwise focused and easy to understand.

Who is it for
  • Adults with a clinician-confirmed need for high-dose vitamin D
  • People seeking combined D3 and K2
  • Users who prefer a capsule
Best for
  • Bone and calcium-handling support
  • Correcting low vitamin D under guidance
  • Focused two-nutrient supplementation

Pros

  • Cholecalciferol vitamin D3
  • Meaningful branded MenaQ7 MK-7 amount
  • Focused formula with no unrelated actives
  • The long supply and identified K2 source strengthen value

Cons

  • Vitamin D exceeds usual maintenance needs
  • Not suitable with vitamin-K-antagonist therapy without supervision
  • Limited to vitamin D and K support

Warnings

  • Vitamin K can oppose warfarin and related vitamin-K-antagonist medicines; use requires consistent, clinician-guided intake.
  • The high vitamin D amount should not be combined with other vitamin D products without checking total intake and need.
  • High-dose vitamin D needs medical guidance with hypercalcemia, hyperparathyroidism, sarcoidosis, or significant kidney disease.

Nutrient quality

85 Highest impact

The focused active formula contains little apparent low-value padding. The high vitamin D amount is aggressive for routine unsupervised maintenance.

Ingredient transparency

84 Highest impact

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

Customer satisfaction

94 Highest impact

The large review count makes the aggregate rating highly reliable. No specific experience details are supplied, but the strong aggregate rating is broadly consistent with satisfaction.

Value for money

97 Highest impact

The price is supported mainly by useful core actives rather than low-value extras. The formula quality and active forms strongly support its qualitative value.

Report analysis

Goals

Heart Health
Heart Health
Impact
Highest effect
A- Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality
Vitamin K · 180 mcgVitamin D · 125 mcg

Vitamin K2 as MK-7 at 180 mcg directly supports calcium placement and arterial flexibility. Vitamin D3 complements that pathway, giving the pair credible cardiovascular relevance.

Both active forms and amounts are clearly disclosed in a lean formula. The 125 mcg vitamin D3 amount is high for routine daily use and can raise calcium levels if continued without attention to total intake.

Study evidence
Vitamin D Mixed 164 studies
Vitamin K Mixed 62 studies
Bone Health
Bone Health
Impact
Highest effect
A- Goal FitA+ Strength of SupportB- CoverageA+ Formula Quality
Vitamin K · 180 mcgVitamin D · 125 mcg

Vitamin D3 and MK-7 form a strong, focused pair for calcium absorption and appropriate placement in bone. Both forms and amounts are clearly disclosed and well aligned with targeted use.

The formula does not provide calcium, magnesium, or collagen-related matrix support, so diet still has to supply the building materials. MK-7 can interfere with warfarin and related vitamin K antagonists, requiring consistent clinician-managed vitamin K intake for users of those medicines.

Study evidence
Vitamin K Supportive 78 studies
General Health
General Health
Impact
Highest effect
A Goal FitA- Strength of SupportB CoverageA+ Formula Quality
Vitamin D · 125 mcgVitamin K · 180 mcg

Vitamin D3 and MK-7 vitamin K2 form a complementary pair for calcium use and bone-related health. Both forms are clearly identified and have established nutritional roles.

The vitamin D amount is high for routine unsupervised maintenance, making individual need important. Vitamin K2 can oppose warfarin and related vitamin K antagonist medicines, so users of those drugs need clinician-guided intake.

Study evidence
Vitamin D Supportive 115 studies
Vitamin K Supportive 34 studies
Anti-Aging
Anti-Aging
Impact
Highest effect
B+ Goal FitA Strength of SupportB CoverageA+ Formula Quality
Vitamin K · 180 mcgVitamin D · 125 mcg

Vitamin D3 and MK-7 provide a focused calcium-management combination that may support bone strength and vascular flexibility with age. The 180 mcg vitamin K2 amount is substantial, while the vitamin D3 amount is high for routine use.

Both active forms are clearly named and their amounts are fully disclosed. Vitamin K2 can oppose warfarin, and prolonged use of the high vitamin D3 amount may raise calcium in susceptible users.

Study evidence
Vitamin D Supportive 50 studies
Vitamin K Supportive 27 studies
Cardiovascular Support
Cardiovascular Support
Impact
High effect
C Goal FitB- Strength of SupportD- CoverageA+ Formula Quality
Vitamin K · 180 mcgVitamin D · 125 mcg

Vitamin D3 and MK-7 form a focused calcium-management pairing with some cardiovascular relevance. The formula does not directly support lipids, vascular tone, cardiac energy, or rhythm.

Both forms and amounts are clearly disclosed. The 125 mcg vitamin D dose exceeds the adult daily upper intake level, while vitamin K2 can counteract warfarin and other vitamin K antagonist medicines.

Study evidence
Vitamin D Mixed 170 studies
Vitamin K Supportive 40 studies

Ingredients

IngredientAmount per serving
Vitamin D3 (Cholecalciferol)
 125 mcg
Vitamin K2 (Mena Q7)
 180 mcg
Gluten Free Adults 18–50 Kosher Dairy Free Halal
Report overview
Vitamin K (Mena Q7) · 180 mcg OverallScore92
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

The formula uses MK-7, the preferred long-lasting vitamin K2 subtype. The 180 mcg MK-7 serving lies within the preferred clinical range. The dry capsule lacks fat-intake guidance, while the clinical MK-7 dose is highly cost-efficient and uses a branded source.

View ingredientView products
Loading alternative details
86 Performance

Liquid D-3 & MK-7

NOW
<p>Liquid delivery combines MK-7 with a substantial vitamin D3 amount and provides flexible dosing with strong bone- and heart-goal alignment. Vitamin D intake from other sources still matters, especially for the higher-dose options. Vitamin K requires clinician-directed consistency with warfarin-type medicines.</p>
87 Performance

Vitamin D3 25 mcg (1000 IU) & K2 120 mcg

Natural Factors
<p>Moderate vitamin D3 and MK-7 create a balanced maintenance pairing in a softgel, with only minor ambiguity from duplicate K2 source entries. Vitamin D intake from other sources still matters, especially for the higher-dose options. Vitamin K requires clinician-directed consistency with warfarin-type medicines.</p>
84 Performance

D3 + K2

Nature Made
<p>All-trans MK-7 and vitamin D3 use clearly defined forms in a focused softgel, improving active-form clarity. Vitamin D intake from other sources still matters, especially for the higher-dose options. Vitamin K requires clinician-directed consistency with warfarin-type medicines.</p>
88 Budget

Vitamin K2 MK-7 100 mcg

Nutricost
<p>At a lower serving cost, a clearly stated MK-7 amount creates a simple, easy-to-assess vitamin K2 option, although the dry capsule has no stated lipid carrier. It omits the original vitamin D3, so total vitamin D needs separate consideration. Vitamin K can oppose warfarin-type anticoagulants.</p>
87 Budget

MK-7 Vitamin K-2 100 mcg

NOW
<p>At a lower serving cost, a meaningful long-acting MK-7 amount provides focused vitamin K2 support with a simple active formula. It omits the original vitamin D3, so total vitamin D needs separate consideration. Vitamin K can oppose warfarin-type anticoagulants.</p>
85 Budget

Vitamin K2 MenaQ7 100 mcg

AN Amazing Nutrition Amazing Formulas
<p>At a lower serving cost, natto-derived MenaQ7 provides a clearly identified long-acting vitamin K2 form in a focused formula. It omits the original vitamin D3, so total vitamin D needs separate consideration. Vitamin K can oppose warfarin-type anticoagulants.</p>
86 Value

Vitamin K2 100 mcg + Vitamin D3 125 mcg

Nutricost
<p>MK-7 and vitamin D3 provide a fully disclosed combination at very favorable serving value, but the vitamin D amount is concentrated. The combination remains close to the original purpose, while total vitamin D intake should guide selection. Vitamin K can reduce the effect of warfarin-type anticoagulants.</p>
86 Value

Vitamins D3 2500 IU (62.5 mcg) & K2 120 mcg

NaturesPlus
<p>MK-7 and a substantial vitamin D3 amount provide focused bone and cardiovascular support at a low serving cost, though the dry tablet lacks a lipid carrier. The combination remains close to the original purpose, while total vitamin D intake should guide selection. Vitamin K can reduce the effect of warfarin-type anticoagulants.</p>
86 Value

Natural Vitamin K2 MK-7 with MenaQ7 100 mcg

Doctor's Best
<p>Branded MenaQ7 provides a meaningful long-acting K2 amount with clear active disclosure and good serving value. The combination remains close to the original purpose, while total vitamin D intake should guide selection. Vitamin K can reduce the effect of warfarin-type anticoagulants.</p>
Report alternatives

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. Joint association of serum 25-hydroxyvitamin D concentration and body mass index on the acceleration of clinical biomarker-based biological aging.
    Pan Z; Zeng J; Chen Z; Chen S; Yang J; Li H; Wang S; Wang J; Li N; Gong Y; Liu M; Li C · The journals of gerontology. Series A, Biological sciences and medical sciences · 2026
    Cohort study389,217 participantsAnti-Aging forVitamin D
  4. Serum 25-Hydroxyvitamin D Levels as an Aging Marker: Strong Associations With Age and All-Cause Mortality Independent From Telomere Length, Epigenetic Age Acceleration, and 8-Isoprostane Levels.
    Schöttker B; Hagen L; Zhang Y; Gào X; Holleczek B; Gao X; Brenner H · The journals of gerontology. Series A, Biological sciences and medical sciences · 2019
    Cohort study9,940 participantsAnti-Aging forVitamin D
  5. Sex-specific associations of serum 25-hydroxyvitamin D concentrations with incident sarcopenia in older adults: A 2-year follow-up study.
    Song S; Lim JY; Kim M; Won CW; Park HY · The journal of nutrition, health & aging · 2025
    Cohort study1,292 participantsAnti-Aging forVitamin D
  6. Vitamin D deficit is associated with accelerated brain aging in the general population.
    Terock J; Bonk S; Frenzel S; Wittfeld K; Garvert L; Hosten N; Nauck M; Völzke H; Van der Auwera S; Grabe HJ · Psychiatry research. Neuroimaging · 2022
    Cross-sectional study1,865 participantsAnti-Aging forVitamin D
  7. Vitamin D intake is associated with dementia risk in the Washington Heights-Inwood Columbia Aging Project (WHICAP).
    Zhao C; Tsapanou A; Manly J; Schupf N; Brickman AM; Gu Y · Alzheimer's & dementia : the journal of the Alzheimer's Association · 2021
    Cohort study1,759 participantsAnti-Aging forVitamin D
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
    Norouzzadeh M; Rashedi MH; Mahdavi-Mazdeh G; Kosari A; Shahinfar H · Current atherosclerosis reports · 2026
    Meta-analysisCardiovascular Support Heart Health forVitamin D
  18. A Randomized Trial of Vitamin D Supplementation on Vascular Function in CKD.
    Kumar V; Yadav AK; Lal A; Kumar V; Singhal M; Billot L; Gupta KL; Banerjee D; Jha V · Journal of the American Society of Nephrology : JASN · 2017
    Randomized trial120 participantsCardiovascular Support forVitamin D
  19. Randomized, placebo-controlled, double-blind clinical trial on the contributions of vitamin D in the control of cardiovascular risk factors, depressive symptoms and suicide risk.
    Porto C; Petribu K; Barbosa N; Magalhães R; Lira C; Porto AB; Markman-Filho B; Lordsleem A; Calado E; Magalhães J; Sougey E; Silva T; Junio A; Bandeira F; Leão R · American heart journal plus : cardiology research and practice · 2025
    Randomized trial224 participantsCardiovascular Support forVitamin D
  20. Dose responses of vitamin D3 supplementation on arterial stiffness in overweight African Americans with vitamin D deficiency: A placebo controlled randomized trial.
    Raed A; Bhagatwala J; Zhu H; Pollock NK; Parikh SJ; Huang Y; Havens R; Kotak I; Guo DH; Dong Y · PloS one · 2017
    Randomized trial70 participantsCardiovascular Support forVitamin D
  21. Paricalcitol and endothelial function in chronic kidney disease trial.
    Zoccali C; Curatola G; Panuccio V; Tripepi R; Pizzini P; Versace M; Bolignano D; Cutrupi S; Politi R; Tripepi G; Ghiadoni L; Thadhani R; Mallamaci F · Hypertension (Dallas, Tex. : 1979) · 2015
    Randomized trial88 participantsCardiovascular Support Heart Health forVitamin D
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. Vitamin D supplementation for prevention of mortality in adults.
    Bjelakovic G; Gluud LL; Nikolova D; Whitfield K; Wetterslev J; Simonetti RG; Bjelakovic M; Gluud C · The Cochrane database of systematic reviews · 2014
    Meta-analysis95,286 participants159 studies pooledGeneral Health forVitamin D
  28. Effect of vitamin D on gastrointestinal symptoms and health-related quality of life in irritable bowel syndrome patients: a randomized double-blind clinical trial.
    Abbasnezhad A; Amani R; Hajiani E; Alavinejad P; Cheraghian B; Ghadiri A · Neurogastroenterology and motility · 2018
    Randomized trial90 participantsGeneral Health forVitamin D
  29. The impact of vitamin D administration on mortality in COVID-19 patients: a systematic review and meta-analysis of randomized controlled trials.
    Kow CS; Ramachandram DS; Hasan SS; Wong Z; Thiruchelvam K · Inflammopharmacology · 2024
    Meta-analysis2,495 participants19 studies pooledGeneral Health forVitamin D
  30. Vitamin D Status and Mortality: A Systematic Review of Observational Studies.
    Heath AK; Kim IY; Hodge AM; English DR; Muller DC · International journal of environmental research and public health · 2019
    Systematic review84 studies pooledGeneral Health forVitamin D
  31. Meta-analysis of long-term vitamin D supplementation on overall mortality.
    Zheng Y; Zhu J; Zhou M; Cui L; Yao W; Liu Y · PloS one · 2014
    Meta-analysis42 studies pooledGeneral Health forVitamin D
  32. 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
  33. 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
  34. 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
  35. 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
  36. Vitamin D supplementation for cardiometabolic risk markers in pregnant women based on the gestational diabetes mellitus or obesity status : a randomized clinical trial.
    Yin WJ; Wang P; Ma SS; Tao RX; Hu HL; Jiang XM; Zhang Y; Tao FB; Zhu P · European journal of nutrition · 2024
    Randomized trial1,537 participantsHeart Health forVitamin D
  37. Vitamin D Supplementation, Serum 25(OH)D Concentrations and Cardiovascular Disease Risk Factors: A Systematic Review and Meta-Analysis.
    Mirhosseini N; Rainsbury J; Kimball SM · Frontiers in cardiovascular medicine · 2020
    Meta-analysis81 studies pooledHeart Health forVitamin D
  38. Does vitamin D supplementation modulate metabolic risk factors of cardiovascular disease? A systematic review and meta-analysis of clinical trials.
    Abumweis S; Alqadi S; Al Tarteer A; Alrefai W; Alzoughool F; Jew S; Qudah T · Asia Pacific journal of clinical nutrition · 2026
    Meta-analysis45 studies pooledHeart Health forVitamin D
  39. 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