A little-known nutrient called vitamin K2 may inhibit the growth of two deadly forms of breast cancer. In a recent ground-breaking study, Irish researchers discovered that the most common form of vitamin K2, menaquinone-4 (MK-4), demonstrated a dramatic reduction in invasive breast cancer cell growth. A Nutrient Called Vitamin K2 MK-4 Vitamin K2 MK-4, a fat-soluble nutrient, is abundant in grass-fed animal proteins such as meat, cheese, egg yolk, and butter. Its known health benefits include potential prevention of osteoporosis, arterial plaque, and dental cavities. By partnering with vitamin D3, vitamin K2 moves calcium to the bones and teeth, as […]