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Low Dose Vitamin K2 (MK-7) 45 mcg

Life Extension
4.8
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(6699 ratings)
Vitamin K 45 mcg
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Score87
A well-delivered, low-dose MK-7 softgel fits maintenance use, though it may be too modest for more targeted supplementation.
How scoring works
Quantity:90 Softgel(s) • (90 servings)
Goals:

Score 87

A well-delivered, low-dose MK-7 softgel fits maintenance use, though it may be too modest for more targeted supplementation.
How scoring works

Also available as

1 option
K:2600mcg • 90 Softgel(s) servings K 2600 mcg • 90 Softgel(s) • 90 servings $22.47 ($0.24 per serving)
$13.50($0.15 per serving)
Vitacost
$ 13.50
Pure Formulas
$ 13.50
iHerb
$ 13.50
Vitacost
$ 13.50
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Analysis

The single active is 45 mcg of menaquinone-7, a long-acting vitamin K2 form. That amount may suit gentle maintenance but is below many more targeted daily formulas.

Softgel delivery is a practical strength for a fat-soluble nutrient. The uncomplicated label also makes it easy to combine with a diet or supplement plan without overlapping unrelated ingredients.

People wanting a low-dose K2 product may find the balance attractive. Those seeking more intensive bone or vascular support may prefer a higher MK-7 amount or a broader formula.

Who is it for
  • Adults seeking low-dose MK-7
  • People sensitive to higher supplement amounts
  • Users who prefer a simple softgel
Best for
  • Gentle vitamin K2 maintenance
  • Single-ingredient supplementation
  • Fat-compatible delivery

Pros

  • Clearly identifies MK-7
  • Softgel suits a fat-soluble vitamin
  • Simple one-active formula
  • Low serving cost

Cons

  • 45 mcg is a modest MK-7 amount
  • The supplied label does not identify a branded or verified all-trans MK-7 source
  • Does not include complementary vitamin D3
  • Offers narrow pathway coverage

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

92 Highest impact

A well-regarded form and conservative amount create a focused routine supplement. The dose is measured rather than high potency.

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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

73 High impact

Aggregate satisfaction is very strong and supported by an extensive evidence base. No firsthand experience details are supplied, so recurring complaints and purpose alignment cannot be checked.

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Value for money

97 Highest impact

High-quality forms and a favorable serving position create strong value. The package compares very well with similar vitamin K products.

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Ingredients

IngredientAmount per serving
Vitamin K2 (Menaquinone-7)
 45 mcg
Gluten Free Adults 18–50
Report overview
Vitamin K (Menaquinone-7) · 45 mcg OverallScore82
A- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyB- Value

Generic MK-7 is clearly disclosed at a low maintenance amount. The softgel format provides a favorable fat-compatible delivery approach. Very low cost gives it good value for modest K2 maintenance, though the amount remains below the clinical sweet spot.

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86 Performance

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

Carlson
Compared with 45 mcg of MK-7 vitamin K2, the alternative provides 90 mcg of MK-7 vitamin K2, and the supplied analysis indicates stronger alignment with the Vitamin K collection. 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 45 mcg of MK-7 vitamin K2, the alternative provides 100 mcg of MK-7 vitamin K2, and the supplied analysis indicates stronger alignment with the Vitamin K collection. Vitamin K2 can reduce the effect of warfarin-type anticoagulants.
87 Performance

Vitamin K2 100 mcg

SR Sports Research
Compared with 45 mcg of MK-7 vitamin K2, the alternative provides 100 mcg of MK-7 vitamin K2, and the supplied analysis indicates stronger alignment with the Vitamin K collection. 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.
86 Budget

Liquid D-3 & MK-7

NOW
The supplied serving cost is lower, while the formula provides 62.5 mcg of vitamin D3 with 100 mcg of MK-7 vitamin K2. Its vitamin K can oppose warfarin and related vitamin-K-antagonist anticoagulants, while vitamin D should be considered alongside other supplemental sources.
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 ingredient profile remains focused for the same Vitamin K collection. Its long supply supports strong value, though vitamin K can conflict with warfarin and similar vitamin K antagonists.
86 Value

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

Carlson
90 mcg of MK-7 vitamin K2 offers a practical value trade-off because the ingredient profile remains focused for the same Vitamin K collection. Its focused formula offers solid 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 ingredient profile remains focused for the same Vitamin K collection. 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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