The most critical decision when buying Vitamin K2 is choosing the correct subtype. While both forms activate proteins like osteocalcin (for bones) and matrix GLA protein (for arteries), they behave differently in your system .

The Informed Consumer's Guide to Vitamin K2 Purchasing Vitamin K2 is more than a simple transaction; it is an investment in a specialized "traffic controller" for your body’s calcium . While many consumers focus on calcium intake for bone health, Vitamin K2 is essential for ensuring that calcium actually reaches the bones instead of accumulating in the arteries—a phenomenon often called the "Calcium Paradox" .

2. Purity and Bioavailability: What to Look for on the Label MK4 or MK7, Which is Better for Bones? - NBI Health

Widely considered the gold standard for supplementation .

Usually naturally derived from fermented foods like natto or chickpeas .