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Sports Research Vitamin D3 + K2
Both vitamins in one softgel — same habit, better pairing.
$24.95on Amazon
Price and availability may change on Amazon. Checked 2026-05-12.
Quick take
D3 5,000 IU with K2 as MK-7 (the more bioavailable form). One bottle replaces two if you're already taking D.
Why it’s useful
Vitamin D directs calcium absorption; K2 directs where it goes. Pairing them in one softgel means you can't accidentally take one without the other.
Best for
Anyone already taking vitamin D who hasn't paired it with K2. Cleaner than managing two bottles.
Things to consider
Not for people on blood thinners (warfarin) — K2 interacts with vitamin K antagonists. Talk to your doctor first if that's you.
Highlights
- D3 5,000 IU + K2 MK-7 in one softgel
- MK-7 is the longer-lasting form of K2
- Coconut-oil base — fat-soluble vitamins absorb better with fat
- Non-GMO, soy-free
In the wild
How it looks at home
Sports Research Vitamin D3 + K2
$24.95 · on Amazon