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MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules vs Vitamin K2 MK-7, 100 mcg, 240 Capsules

Side-by-side comparison of scores, ingredients, prices and real customer feedback for MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules and Vitamin K2 MK-7, 100 mcg, 240 Capsules.

Last verified: 07 Apr 2026 · Based on 100 reviews

83.0
Quick Answer

MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules scores 83.0/100 vs Vitamin K2 MK-7, 100 mcg, 240 Capsules at 76.0/100. MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules wins on effectiveness, ingredient quality, side effects. Vitamin K2 MK-7, 100 mcg, 240 Capsules is stronger on value for money.

How Do the Scores Compare?

MK-7 Vitamin K-2, 100 mcg, ...
Vitamin K2 MK-7, 100 mcg, 2...
MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules
MK-7 Vitamin K-2, 100 mcg, ...
NOW Foods
Vitamin K2 MK-7, 100 mcg, 240 Capsules
Vitamin K2 MK-7, 100 mcg, 2...
Nutricost
Overall Score 83.0 76.0
Effectiveness 82.0/100
Best
78.0/100
Ingredient Quality 88.0/100
Best
73.0/100
Value for Money 86.0/100 92.0/100
Best
Side Effects 92.0/100
Best
82.0/100
Certifications 60.0/100
Best
42.0/100
Best Price £24.23 iHerb → £14.71 iHerb →
Cheapest
Form None None
Dose None None
Third-Party Tested ✗ No ✗ No
Reviews Analysed 50 50

MK-7 Vitamin K-2, 100 mcg, 120 V...

Pros

  • Uses MenaQ7® — a patented MK-7 form with published clinical trial data, not generic menaquinone-7
  • 100 mcg is the evidence-based daily dose for bone mineralisation and vascular calcium management
  • Small capsules consistently praised across reviews as tasteless, odourless, and easy to swallow
  • Soy-free despite K2 typically being derived from natto fermentation — clean excipient list too

Cons

  • Not independently third-party tested per product specs — quality relies on NOW Foods' own GMP processes
  • Requires medical consultation for anyone taking anticoagulants such as warfarin or heparin

Best For

Anyone supplementing vitamin D3 at doses above 2000 IU daily who wants to manage calcium distribution Adults over 40 focused on long-term bone density and arterial health People who need a soy-free K2 source
View full review →

Vitamin K2 MK-7, 100 mcg, 240 Capsules

Pros

  • 240-capsule bottle makes this one of the cheapest per-serving K2 MK-7 options — repeatedly highlighted by reviewers as the primary buying reason
  • MK-7 form has a long half-life (~72 hours), making once-daily dosing genuinely effective rather than a convenience compromise
  • Small softgels with no taste or aftertaste — multiple reviewers with swallowing difficulties specifically flag this
  • Minimal ingredient list: MK-7, sunflower oil, gelatin capsule — no unnecessary fillers beyond the caramel capsule colouring

Cons

  • Gelatin capsules — not suitable for vegans or vegetarians
  • Caramel colouring in the capsule shell uses ammonia-based processing; flagged by at least one reviewer with multiple chemical sensitivities
  • One reviewer notes the brand does not publish isomer data — unclear what percentage is all-trans MK-7 (the active form) versus cis
  • Rare reports of heart palpitations and anxiety, particularly when combined with high-dose vitamin D3

Best For

Anyone already taking vitamin D3 who needs K2 to ensure calcium is deposited in bones rather than soft tissue Budget-conscious buyers wanting a long-lasting single-ingredient K2 supplement People who struggle with large capsules — the softgels are notably small Those who prefer buying D3 and K2 separately to control individual doses
View full review →

What does the data say about MK-7 Vitamin K-2, 100 ... vs Vitamin K2 MK-7, 100 m...?

MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules Winner 83.0/100

The MenaQ7® form sets this apart from budget K2 alternatives.

Effectiveness
MK-7 Vitamin K-2..
82.0/100
Vitamin K2 MK-7,..
78.0/100
Ingredient Quality
MK-7 Vitamin K-2..
88.0/100
Vitamin K2 MK-7,..
73.0/100
Value for Money
MK-7 Vitamin K-2..
86.0/100
Vitamin K2 MK-7,..
92.0/100
Side Effects
MK-7 Vitamin K-2..
92.0/100
Vitamin K2 MK-7,..
82.0/100
Certifications
MK-7 Vitamin K-2..
60.0/100
Vitamin K2 MK-7,..
42.0/100

What are the key differences?

MK-7 Vitamin K-2, 100 m.. is best for: Anyone supplementing vitamin D3 at doses above 2000 IU daily who wants to manage calcium distribution, Adults over 40 focused on long-term bone density and arterial health
Vitamin K2 MK-7, 100 mc.. is best for: Anyone already taking vitamin D3 who needs K2 to ensure calcium is deposited in bones rather than soft tissue, Budget-conscious buyers wanting a long-lasting single-ingredient K2 supplement

Frequently Asked Questions

Which is better, MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules or Vitamin K2 MK-7, 100 mcg, 240 Capsules?
MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules scores 83.0/100 overall while Vitamin K2 MK-7, 100 mcg, 240 Capsules scores 76.0/100. MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules comes out ahead, scoring higher on effectiveness (82.0 vs 78.0). MK-7 Vitamin K-2, 100 mcg, 120 is best suited for Anyone supplementing vitamin D3 at doses above 2000 IU daily who wants to manage calcium distribution and Adults over 40 focused on long-term bone density and arterial health. Vitamin K2 MK-7, 100 mcg, 240 is better for Anyone already taking vitamin D3 who needs K2 to ensure calcium is deposited in bones rather than soft tissue and Budget-conscious buyers wanting a long-lasting single-ingredient K2 supplement.
Is MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules worth the price compared to Vitamin K2 MK-7, 100 mcg, 240 Capsules?
MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules costs £24.23 while Vitamin K2 MK-7, 100 mcg, 240 Capsules is £14.71. For value, MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules scores 86.0/100 vs Vitamin K2 MK-7, 100 mcg, 240 Capsules's 92.0/100. Vitamin K2 MK-7, 100 mcg, 240 Capsules delivers better value relative to its quality.
Which has fewer side effects?
MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules scores 92.0/100 for side effects (higher means fewer reported issues) while Vitamin K2 MK-7, 100 mcg, 240 Capsules scores 82.0/100. Reviewers report fewer side effects with MK-7 Vitamin K-2, 100 mcg, 120 Veg Capsules. For certification and testing, MK-7 Vitamin K-2, 10 scores 60.0/100 vs Vitamin K2 MK-7, 100's 42.0/100. Always consult a healthcare professional before starting any supplement.

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