D3 + K2 Protocol
90-day supply · 90 softgels
Foundation
D3 + K2 Protocol
The vitamins that work together.
5000 IU of cholecalciferol D3 paired with 200mcg MK-7 K2 in a single softgel. The complete combination for bone health, immune function, and cardiovascular support.
What It Does
Key benefits.
- Optimal vitamin D3 dosing for deficiency correction
- MK-7 K2 directs calcium to bones, not arterial walls
- Supports immune system regulation and function
- Promotes bone mineral density
- Best-value formula in the Nuclora line
Formula
Ingredients & doses.
Vitamin D3 (Cholecalciferol)
5000 IUThe active form of vitamin D. Regulates calcium absorption, immune modulation, and gene expression in hundreds of pathways.
Vitamin K2 (MK-7 Menaquinone)
200mcgThe long-chain K2 form with the longest half-life and best clinical evidence. Activates Matrix-Gla Protein to direct calcium safely.
Evidence Base
The research behind
this formula.
Knapen et al., Osteoporosis International (2013)
MK-7 K2 supplementation significantly improved bone mineral density and reduced arterial stiffness over 3 years.
Questions
Product FAQ.
Why do I need K2 with D3?+
D3 increases calcium absorption. K2 activates the proteins that direct that calcium into bones and teeth instead of soft tissues and arteries. Together, they are significantly safer and more effective than D3 alone.