Learn the best time to take vitamin K2, why it absorbs better with fat, and how it supports bone and heart health when paired with vitamin D.

Cynthia Sass is a nutritionist and registered dietitian with master's degrees in both nutrition science and public health. Frequently seen on national TV, she's Health's contributing nutrition editor ...

Lauren Manaker is an award-winning registered dietitian, book author, speaker, and entrepreneur. She has been practicing dietetics since 2004, and has worked in a wide variety of settings. She earned ...