Getting on top of K2, the vitamin

K2 towers over China and Pakistan, reaching 28,251 feet above sea level, making it the secondhighest mountain on Earth. As of 2021, only 377 people had made it to the top. Not many people make it to the top of a healthful dose of K2, the vitamin, either. That has a negative impact on bone and heart health and your gut’s microbiome. Vitamin K comes in two forms -- K1 and K2. K1 is fo...