Vitamin K2 and the Calcium Paradox: How a Little-Known Vitamin Could Save Your Life

For decades, conventional medicine’s answer to thinning bones has been as simplistic as it is incomplete: just take more calcium. Yet millions of women diligently taking high-dose calcium supplements continue to lose bone density while simultaneously developing arterial plaque and soft-tissue calcification. In Vitamin K2 and the Calcium Paradox, Dr. Kate Rhéaume brilliantly exposes this … Read more

What Is Sex Hormone–Binding Globulin (SHBG)?

SHBG-mechanism-of-action

Sex hormone–binding globulin (SHBG) is a protein made mainly in the liver. It binds strongly to key sex hormones like testosterone, dihydrotestosterone (DHT), and estradiol. By doing so, SHBG controls how much of these hormones stay “free” (unbound) and biologically active in the body. Think of SHBG as a gatekeeper: it influences how much hormone is available to tissues in both men and women.

Read more