The Peptide Report
MK-7 and MK-4 are the two dominant K2 isoforms — but they behave very differently in the body. Here's how to choose the right form to pair with vegan D3 for bone, heart, and immune support.
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 both forms of vitamin K2 — but they behave very differently in the body. Here's how each performs when paired with vegan D3, and which one belongs in your daily routine.
