If you're targeting bone density and immune support at higher doses, this combo delivers. **Vitamin D3** at 10,000 IU is double the top of the standard clinical range (1,000–5,000 IU) and well above the tolerable upper intake of 4,000 IU. At this level, you should be monitoring your blood 25(OH)D levels with your doctor — it's not a dose to take indefinitely without testing.
**Vitamin K2** at 120mcg as MK-7 lands right in the middle of the studied range (90–200mcg) and pairs well with high-dose D3 by helping direct calcium into bones rather than soft tissue. What this means for you: both forms — cholecalciferol for D3 and MK-7 for K2 — are the preferred versions.
The key caveat is the D3 dose. While 10,000 IU can be appropriate for correcting a confirmed deficiency, it's above the level most people need for daily maintenance. If you don't have bloodwork showing low vitamin D, a lower-dose D3 product would be the safer long-term choice for your daily routine.
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What it does
A combination of 2 label ingredients.
Vitamin D
Mixed formsGrade —
Supports calcium absorption and the maintenance of normal bones.
Vitamin K
mk7Premium
Supports normal blood clotting and activates proteins involved in maintaining bones.
Ingredients (2)
Other ingredients
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Silicon DioxideAnti-caking
Fine silica powder used to prevent clumping
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
Lab testing
How to take it
With a meal containing fat
On the label
Take one (1) capsule daily, preferably with a meal or as directed by a healthcare professional.
Price check
$24.99
$0.21 / serving
Near the median of 144 vitamin K supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.
Not medical advice. Consult your healthcare professional.