Vitamin K2 (Bone Health) vs Vitamin K2 (MK-7)
Two forms of the same compound. What differs is how much of it your body absorbs, how well you tolerate it and what it costs per month.
Side by side
Green marks the better value| Vitamin K2 (Bone Health) | Vitamin K2 (MK-7) | |
|---|---|---|
| Bioavailability | 85% | 80% |
| Safety rating | 9/10 | 9/10 |
| Cost per month | $35 | $25 |
| Daily dose | 100-200mcg | 100-200 mcg |
| Best timing | With fats | With fat meal |
| Evidence level | A | B |
Verdict
Too close to call on the numbers.
Both forms score the same on the measurable metrics. Pick by tolerance and price.
What actually differs
Vitamin K2 (Bone Health)
Essential fat-soluble vitamin that directs calcium to bones and teeth while preventing soft tissue calcification, crucial for optimal bone health and cardiovascular protection
- Optimal calcium direction
- Bone density support
- Cardiovascular protection
- Long half-life
- Warfarin interactions
- Fat-soluble absorption
- Cost
- Individual variation
Vitamin K2 (MK-7)
Essential vitamin for proper calcium utilization, bone health, and cardiovascular protection
- Longest half-life
- Best studied
- Most bioactive
- More expensive than K1
- Limited food sources
How these numbers are read
- Bioavailability is the share of the dose that reaches your bloodstream — the single most useful number when choosing a form.
- Safety rating reflects tolerance at normal doses, not toxicity risk.
- Cost is per month at the typical daily dose, so a cheaper form taken at double the dose is not cheaper.
- Evidence level A means the form itself was studied, not just the parent compound.
Where to buy
Both forms deliver the same compound — pick by the numbers above, then check the label matches.
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Common questions
Which is better, Vitamin K2 (Bone Health) or Vitamin K2 (MK-7)?
Vitamin K2 (Bone Health) absorbs better — 85% against 80%. Absorption decides how much of the dose actually reaches you, so it usually matters more than the milligrams printed on the label.
What is the difference between Vitamin K2 (Bone Health) and Vitamin K2 (MK-7)?
Both deliver the same active compound. They differ in how well the body takes them up, how they are tolerated and what a month costs: $35 against $25.
Can you take Vitamin K2 (Bone Health) and Vitamin K2 (MK-7) together?
You can, but there is rarely a reason to. Two forms of the same compound stack the same active dose, so the usual approach is to pick the better absorbed one and dose it properly.