What it is
A combined oil-based formulation delivering vitamin D3 (cholecalciferol) and the MK-7 form of vitamin K2 — the most studied long-half-life K2 form.
Supplement · Vitamin & Bone
Vitamin D3 + K2 (MK-7) Combo
D3+K2 stack
2000–5000 IU D3 + 100–200 mcg MK-7 · vegan · gluten-free · 60 caps
vitamin-d-deficiencyosteopeniavascular-calcification boneheartimmune system
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How it works
D3 supports calcium absorption; K2 (via osteocalcin and matrix Gla protein) directs calcium into bone and away from arteries. Together they protect both bone density and vascular health.
Who should take it
Adults supplementing D3 long-term, midlife bone-health users, vascular calcification concerns.
Avoid / careful
Coordinate K2 with warfarin (Rx). Watch D3 in granulomatous diseases.
When to take it
Morning
Noon
Evening
Night
How to take it
With food
Empty stomach
Before food
FAQs
Frequently asked
Can I take this with other calcium supplements?
Yes, but ensure your total daily calcium intake (from diet and supplements) does not exceed recommended levels to avoid hypercalcemia. This combination optimizes calcium use.
How long does it take to see benefits?
Bone density changes are gradual. While improved calcium utilization may begin sooner, significant bone health improvements typically require months to years of consistent use. Vascular benefits may be observed over a longer period.
Is MK-7 the best form of K2?
Vitamin K2 as MK-7 has a longer half-life and higher bioavailability compared to other forms like MK-4, making it effective for sustained vitamin K activity in directing calcium.
Research summary
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Multiple RCTs show K2 reduces vascular calcification and supports bone density vs D3 alone.
From the blog
Editorial notes
SacredBod's longer take on Vitamin D3 + K2 (MK-7) Combo — context the structured blocks above don't capture.
Vitamin D3 + K2 (MK-7) Combo is a vitamin & bone supplement. A combined oil-based formulation delivering vitamin D3 (cholecalciferol) and the MK-7 form of vitamin K2 — the most studied long-half-life K2 form.
How it works
D3 supports calcium absorption; K2 (via osteocalcin and matrix Gla protein) directs calcium into bone and away from arteries. Together they protect both bone density and vascular health.
Who it’s for
Adults supplementing D3 long-term, midlife bone-health users, vascular calcification concerns.
Dosage & timing
- Typical dose: 2000–5000 IU D3 + 100–200 mcg MK-7
- Best time: morning
- With food: with-food
- Expected onset: 4–8 weeks for 25(OH)D; 12+ weeks for bone markers.
India context
Availability on Amazon India is currently limited or import-only for this form. International brands (iHerb, NOW Foods, Doctor’s Best) ship to India with variable customs handling. Local Ayurvedic equivalents may offer overlapping benefits.
Safety
Coordinate K2 with warfarin (Rx). Watch D3 in granulomatous diseases.
Added to your stack.