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Vitamin K2 + D3, 120 Capsules

by Futurebiotics

50 reviews analysed · 1 sources · Last verified: 28 Mar 2026 · Price data: 19 Feb 2026 · Confidence: 17% · Reviewed by Bart, Health & Tech Enthusiast
Vitamin K2 + D3, 120 Capsules
80
Overall Score
Very Good

Compare Prices

Verdict: Very Good 🥉 #3 in Vitamin K View Vitamin K Rankings →

5,000 IU of cholecalciferol paired with 90 mcg of K2 as MK-7 — this is the combination that actually makes sense. Best for People with confirmed vitamin D deficiency needing a therapeutic dose to correct low levels and Those supplementing D3 at higher doses who need K2 to prevent calcium misrouting.

According to the AIScored 0–100 scoring system, Vitamin K2 + D3, 120 Capsules by Futurebiotics scores 80.0/100, ranking #3 out of 6 products in Vitamin K (2026). Strongest category: Side Effects (88.0/100). Weakest: Certifications (38.0/100).

Data quality note: this page currently has limited evidence coverage (low review/source volume or lower confidence). Treat this as directional and cross-check with primary sources.

Is Vitamin K2 + D3, 120 Capsules worth buying?

“Futurebiotics Vitamin K2 + D3 scores 79/100 and uses MK-7 for the K2 component, which has better absorption and a longer half-life than cheaper alternatives like MK-4. Users have reported measurable improvements in their blood vitamin D levels, which is what you want to actually see happening after taking supplements.”

— AIScored Editorial Team, Mar 2026

What Do Reviewers Say About Vitamin K2 + D3, 120 Capsules?

Sample excerpts from currently available source material used in this product analysis.

"Supports bone and dental health: Vitamin D3 promotes the absorption of calcium and phosphorus, which is important for maintaining strong bones and teeth. Strengthens the immune system: Vitamin D3 plays a role in modulating the immune respon..."

Iherb • DILBARTAJETDINOVA

"For the bones. My family loves using it, I need to take daily doses but I don't need to take it beforehand. I use my father's diet and I am sure they are sick. When using vitamin D, it is necessary not to neglect zinc and magnesium. If so,..."

"Vitamin D3+K2 in the form of MK-7. Good vitamin D3+K2 from Futurebiotics, and most importantly, it works! Vitamin D3 is necessary to maintain our health and the functioning of the immune system, as well as to prevent many diseases. I choose..."

"Vitamin D with K2. Quality Ingredients Quantity Dosage Sun immunity Package Effect Lack of bone absorption Taste Guys, forgive me, I will not comment because everything is from Eherb. I took it and benefited from it, but I was never able to..."

"Efficiently combined K and D. A quality combination of vitamins K2 and D3 which I find useful to dose only two to three times per week. I have no deficiency with either vitamin but I benefit from this dosage when under heavier stress than u..."

How does Vitamin K2 + D3, 120 Capsules score?

Detailed score breakdown and key findings from our analysis of 50 reviews across 1 source.

Effectiveness How well the product works based on user reviews
83.0/100
Good
Ingredient Quality Clean label, bioavailable forms, minimal fillers
86.0/100
Good
Value for Money Price relative to quality and quantity
82.0/100
Good
Side Effects Profile Higher = fewer/milder side effects reported
88.0/100
Good
Certifications & Testing Third-party testing, GMP, and quality certifications
38.0/100
Below Average
Overall Score Weighted overall recommendation
80.0/100
Good

Pros

  • +K2 supplied as MK-7 — the superior form for directing calcium away from arteries and into bone tissue
  • +5,000 IU D3 is a proper therapeutic dose for correcting deficiency, not a token maintenance amount
  • +Multiple reviewers report measurable improvements in vitamin D blood levels after switching to this product
  • +Small capsule size and no aftertaste — frequently mentioned as making daily use easy
  • +Clean excipient list with no artificial dyes or unnecessary fillers; gluten and soy free

Cons

  • -No independent third-party testing (NSF, USP, or equivalent) — the 'lab tested' label claim is manufacturer self-testing only
  • -5,000 IU daily is above typical maintenance doses — not suitable for self-prescribing without a blood test first
  • -K2 is contraindicated with warfarin and other anticoagulants, which the label warns about but users often overlook
  • -Not vegan — D3 is almost certainly lanolin-derived despite the plant-based capsule shell

Best For

People with confirmed vitamin D deficiency needing a therapeutic dose to correct low levels Those supplementing D3 at higher doses who need K2 to prevent calcium misrouting Anyone living in low-sunlight climates who takes D3 through autumn and winter Over-50s concerned about bone density and cardiovascular calcium management

Watch Out

  • !Test your D3 levels before and during use — 5,000 IU daily can push levels too high if you're not actually deficient
  • !Anyone on anticoagulants (warfarin, heparin) should not take K2 without medical supervision
  • !No independent certification means you're trusting the manufacturer's own quality claims

What is Vitamin K2 + D3, 120 Capsules?

Vitamin K2 + D3, 120 Capsules is a vitamin k product by Futurebiotics, scoring 80.0/100 on AIScored.

  • Product overview Description Vitamin K2 as MK-7 2-in-1 support Supports strong bones Healthy cardiovascular support Free from gluten and soya Food supplement GMO free – lab tested Futurebiotics® Vitamin K2 + D3 provides the perfect match.
  • While the benefits of vitamin D are well known, many don’t realise that vitamin D needs vitamin K2 to maximise its benefits.
  • This formula helps the proper absorption of calcium with D3 while providing the correct distribution to your bones, where you need it most.
  • Futurebiotics® K2 + D3 is truly the perfect pair for healthy bone and heart support.
  • Suggested use As a food supplement for adults, take 1 capsule daily, preferably with a meal or as directed by a healthcare professional.
  • Other ingredients microcrystalline cellulose, modified cellulose capsule, magnesium stearate,, silicon dioxide Warnings Do not take this product if you are pregnant or breastfeeding.
  • Consult a doctor before use if you have a medical condition or are taking medication, especially anticoagulant drugs.
  • Do not use if the seal under the cap is broken or missing.
  • Keep out of the reach of children.
  • Protect from light.
  • Disclaimer While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site.
  • Although items may occasionally be despatched with alternative packaging, freshness is always guaranteed.
  • We recommend that you read labels, warnings and directions of all products before use and do not rely solely on the information provided by iHerb.
  • This website has been machine translated as a courtesy to customers.
  • iHerb does not represent or warrant that the translations are complete or error-free and iHerb is not responsible for any translation errors or omissions.
  • Supplement information Serving Size:one capsule Servings per container:120 Amount per serving %Reference Intake Vitamin D3 (as cholecalciferol) 125 mcg (5,000 IU) 625% Vitamin K2 (as MK 7 Menaqui.

Is Vitamin K2 + D3, 120 Capsules Independently Tested?

?

No Third-Party Testing Visible

We could not find evidence of independent third-party testing for this product. This doesn't mean it's unsafe, but independent verification provides additional assurance.

How We Score Supplements

Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:

1

Effectiveness

How well the product delivers its claimed benefits, based on reviews and ingredient evidence.

2

Ingredient Quality

Bioavailable forms, clinically effective dosages, clean label, minimal fillers.

3

Value for Money

Price relative to ingredient quality, dosage count, and effectiveness.

4

Side Effects Profile

Higher score = fewer side effects. 100 means virtually no adverse reactions reported.

5

Certifications & Testing

Third-party lab testing, GMP certification, and independent quality verification.

6

Overall Score

Weighted combination of all factors. Our bottom-line recommendation.

How Does Vitamin K2 + D3, 120 Capsules Compare?

See how this product stacks up against the top-rated vitamin k in our database.

Product Score Price
Vitamin K2 + D3, 120 Capsules (this) 80.0 £12.99
NOW Foods MK-7 Vitamin K-2 100mc... 85.0 £21.99
MK-7 Vitamin K-2, 100 mcg, 120 V... 83.0 £24.23
Vitamin K2 + D3, Extra Strength,... 77.0 £14.72

Price History (90 days)

Quick Facts

Vegan
No

Frequently Asked Questions

Is Vitamin K2 + D3, 120 Capsules worth buying in 2026?
Vitamin K2 + D3, 120 Capsules scores 80.0/100 in our analysis, based on 50 reviews. 5,000 IU of cholecalciferol paired with 90 mcg of K2 as MK-7 — this is the combination that actually makes sense. MK-7 is the long-acting form of K2 with superior half-life compared to MK-4, and the dose here is clinically relevant rather than token....
What is the best price for Vitamin K2 + D3, 120 Capsules in the UK?
The best price we found is £12.99 at iHerb. We compare prices from 1 UK retailer and update them regularly.
What are the pros and cons of Vitamin K2 + D3, 120 Capsules?
Pros: K2 supplied as MK-7 — the superior form for directing calcium away from arteries and into bone tissue. 5,000 IU D3 is a proper therapeutic dose for correcting deficiency, not a token maintenance amount. Multiple reviewers report measurable improvements in vitamin D blood levels after switching to this product. Cons: No independent third-party testing (NSF, USP, or equivalent) — the 'lab tested' label claim is manufacturer self-testing only. 5,000 IU daily is above typical maintenance doses — not suitable for self-prescribing without a blood test first. K2 is contraindicated with warfarin and other anticoagulants, which the label warns about but users often overlook.
Is Vitamin K2 + D3, 120 Capsules third-party tested?
We could not find evidence of third-party testing for this product. While this does not mean the product is unsafe, independent testing provides additional quality assurance.
How does Vitamin K2 + D3, 120 Capsules compare to NOW Foods MK-7 Vitamin K-2 100mcg - 60 Veg Capsules?
Vitamin K2 + D3, 120 Capsules scores 80.0/100 while NOW Foods MK-7 Vitamin K-2 100mcg - 60 Veg Capsules scores 85.0/100. Read full comparison →

Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.

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