Product Image

Raw K-Complex

4.8
★ ★ ★ ★ ★
(550 ratings)
Vitamin K 120 mcg
Product Image
Score73
Best suited to adults seeking several vitamin K forms with an included oil carrier; small fruit, mineral, and probiotic blends add label complexity without enough detail to judge their contribution.
How scoring works
Capsule
Quantity:60 Capsule(s) • (60 servings)
Goals:
Heart Health
Bone Health
General Health
Cardiovascular Support
Anti-Aging

Score 73

Best suited to adults seeking several vitamin K forms with an included oil carrier; small fruit, mineral, and probiotic blends add label complexity without enough detail to judge their contribution.
How scoring works
$23.79($0.39 per serving)
iHerb
$ 23.79
Pure Formulas
$ 23.79
Walmart
$ 23.79
Vitacost
$ 26.27
Vitacost
$ 26.27
Report prices

Analysis

Vitamin K1, MK-7, MK-4, and flax oil create broad vitamin K coverage with a useful lipid carrier. The label provides enough detail to judge the central vitamin strategy.

Small fruit, mineral, and probiotic blends add label complexity without enough detail to judge their contribution. Format, dose, and companion nutrients determine whether it is appropriate for daily use.

The best fit is adults seeking several vitamin K forms with an included oil carrier. Vitamin K and vitamin D support normal physiology, but the practical benefit depends on baseline intake and individual need.

Who is it for
  • Adults seeking several vitamin K forms with an included oil carrier
  • Adults whose current vitamin intake matches the listed potency
  • Users able to account for vitamin K medication interactions
Best for
  • Includes K1, MK-7, and MK-4
  • Flax oil supports fat-soluble delivery
  • Users who accept that fruit and mineral blend components are hidden

Pros

  • Includes K1, MK-7, and MK-4
  • Flax oil supports fat-soluble delivery
  • Useful MK-7 amount
  • Broad heart and bone relevance

Cons

  • Fruit and mineral blend components are hidden
  • Probiotic strain and viable count are absent
  • MK-4 amount is very small
  • Higher serving cost than simple MK-7 products

Warnings

  • The combined K1, MK-7, and MK-4 serving can counteract warfarin and related vitamin K antagonist anticoagulants.
  • The undisclosed fruit, vegetable, and mineral blends make the product difficult to screen fully for allergies.
  • The probiotic blend lacks strain and viable-count details, so it is unsuitable when a specific organism has been medically directed.

Nutrient quality

87 Highest impact

MK-7, MK-4, and K1 are identified, and flaxseed oil provides a useful lipid carrier, and the 100 mcg MK-7 amount is meaningful, with supporting K1 and a small MK-4 amount. The disclosed vitamin K amounts are substantial but not obviously excessive for a focused K complex, while k1, MK-7, MK-4, and flax oil form a coherent vitamin K complex.

.

Ingredient transparency

58 Moderate impact

Core vitamins have amounts, but the three supporting blends disclose only combined totals, and several named blends hide their component identities and individual amounts. Serving count is supplied, but complete daily-use directions are not provided, while inactive ingredients and excipients are not included in the supplied label details.

.

Customer satisfaction

73 High impact

The supplied average rating is strong, and moderate review volume provides a reasonable evidence base. Specific review themes are unavailable, so repeated negatives and real-world fit remain uncertain.

.

Value for money

76 High impact

Useful ingredient forms support fair value despite incomplete delivery details, and the moderate serving cost is reasonable for the disclosed actives. The fruit, vegetable, trace-mineral, and probiotic blends add bulk without disclosed component amounts, while the formula and serving value compare well with similar products.

.
Report analysis

Goals

Heart Health
Impact
Highest effect
A Goal FitA+ Strength of SupportB+ CoverageA- Formula Quality
Vitamin K · 10 mcg

MK-7 directly supports arterial calcium handling, while K1 and MK-4 broaden vitamin K coverage. Flaxseed oil provides a lipid carrier and a small additional cardiovascular pathway.

The MK-7 amount is fully disclosed and well aligned with targeted use. Vitamin K can counteract warfarin, so people using that anticoagulant need prescriber guidance before changing intake.

Study evidence
Vitamin K Mixed 62 studies
Bone Health
Impact
Highest effect
A- Goal FitA+ Strength of SupportC+ CoverageB+ Formula Quality
Vitamin K · 10 mcg

MK-7, MK-4, and vitamin K1 provide strong support for proteins that regulate calcium placement in bone. The MK-7 amount is well aligned, and flaxseed oil supplies a useful lipid carrier.

The active vitamin forms and amounts are clearly separated in one capsule. Vitamin K can oppose warfarin and other vitamin K antagonists, so intake changes require supervision from the prescriber managing that medicine.

Study evidence
Vitamin K Supportive 78 studies
General Health
Impact
Highest effect
A- Goal FitA Strength of SupportB- CoverageA- Formula Quality
Vitamin K · 10 mcg

The formula delivers a well-aligned MK-7 amount alongside clearly separated K1 and MK-4. Flaxseed oil supplies a lipid source that may help absorption of these fat-soluble nutrients.

Its scope is intentionally limited to vitamin K rather than broad nutritional coverage. Vitamin K can counteract warfarin and related medicines, so users of those drugs need consistent intake and prescriber guidance.

Study evidence
Vitamin K Supportive 34 studies
Cardiovascular Support
Impact
Highest effect
A- Goal FitA+ Strength of SupportC CoverageB+ Formula Quality
Vitamin K · 10 mcg

A meaningful MK-7 amount directly supports proteins involved in keeping calcium out of arterial walls. K1 and MK-4 broaden vitamin K coverage without obscuring the main cardiovascular form.

Flaxseed oil provides a lipid base that may support absorption of these fat-soluble vitamins. Vitamin K can interfere with warfarin and related vitamin K antagonist therapy, so consistent intake and clinical guidance are important for those users.

Study evidence
Vitamin K Supportive 40 studies
Anti-Aging
Impact
High effect
B Goal FitA- Strength of SupportC CoverageB+ Formula Quality
Vitamin K · 10 mcg

A meaningful MK-7 amount, additional MK-4 and K1, and flaxseed oil create focused support for bone and vascular maintenance. Human evidence is strongest for vitamin K status and related proteins rather than a broad slowing of aging.

The forms and amounts are clearly separated, and the lipid base may support absorption. Vitamin K can counteract warfarin and related vitamin K antagonists, so users of those medicines need stable intake coordinated with their prescriber.

Study evidence
Vitamin K Supportive 27 studies

Ingredients

IngredientAmount per serving
Vitamin K (K1)
120 mcg
Vitamin K2 (Menaquinone-7)
100 mcg
Vitamin K2 (Menaquinone-4)
10 mcg
cold pressed omega rich Flax seed Oil
300 mg
Raw Organic Fruit & Vegetable Blend
130 mg
Trace Mineral Blend
65 mg
Raw Probiotic Blend
5 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Vegetarian
Report overview
Vitamin K (K1) · 120 mcg OverallScore94
B+ Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value

A well-aligned MK-7 dose is paired with clearly separated K1 and MK-4 amounts. Flaxseed oil supplies a lipid source that may support absorption, although the MK-7 is not branded or confirmed as all-trans. The low serving cost makes the formula efficient for meaningful MK-7 intake.

Loading alternative details
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  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