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#3 in Vitamins Third-Party Tested
Sports Research Vitamin D3 + K2 (5000 IU / 100mcg MK-7)
by Sports Research
"The synergistic duo—D3 directs calcium absorption, K2 directs calcium to bones not arteries"
Amazon Rating
4.7/5
Reviews
52,300
Price Range
$14.99 - $19.99
Servings
60
Non-GMO Project VerifiedIgen Tested
Our Editorial Rating
8.8
Very Good
Overview
Combines 5,000 IU vitamin D3 with 100mcg vitamin K2 (as MK-7) in coconut oil for optimal absorption. D3 increases calcium absorption while K2 ensures calcium goes to bones and teeth rather than arteries. The most important vitamin combo for bone and cardiovascular health.
Key Ingredients
| Ingredient | Amount |
|---|---|
| Vitamin D3 (Cholecalciferol) | 5,000 IU (125mcg) |
| Vitamin K2 (MK-7) | 100mcg |
2 ingredients linked to detailed encyclopedia profiles
Pros & Cons
What We Like
- 52,000+ Amazon reviews
- D3 + K2 synergy
- Coconut oil base
- Affordable
What Could Be Better
- 60 softgels only
- 5,000 IU may be high for some
- No K1 included
Who Is This For?
Best For
- Vitamin D optimization
- Bone health
- Cardiovascular calcium management
Not Ideal For
- Warfarin users (K2 interaction)
- Those with adequate D levels
Our Verdict
8.8/10 — Very Good
The essential vitamin duo. D3 + K2 for calcium direction with 52K+ reviews.
Alternatives to Consider
No direct alternatives listed for this product yet.