You train hard. You're meticulous about protein, sleep, and periodization. But if you're not paying attention to vitamin K2 MK-7 D3 magnesium synergy, you are leaving a massive performance gap on the table — one that goes all the way down to the molecular level of your cells, your arteries, your neurons, and even your hair follicle stem cells. This isn't another generic supplement listicle. What follows is a deep dive into the biochemical and molecular biology of how these th