1 article tagged with "vitamin D3"
Vitamin D is far more than a bone vitamin — it's a hormone-like compound that regulates over 1,000 genes, supports immunity, mood, and cardiovascular health. With 40–50% of the global population deficient, this evidence-based guide covers optimal levels, D3 vs D2, dosing protocols, essential cofactors (K2 and magnesium), and the best supplement strategies to optimize your vitamin D status.
