The Peptide Report
MK-7 and MK-4 are the two dominant forms of vitamin K2, and they behave very differently in the body. Here's how each pairs with vegan D3 — and why doctor-formulated formulas in 2026 increasingly use both.
MK-7 and MK-4 are the two dominant forms of vitamin K2 — but they behave very differently in the body. Here's how they compare when paired with vegan D3, and why the right combination matters for once-daily use.
