Bone Health
How Calcium Absorption Works: Dairy, Vitamin D, and the Bone Density Evidence
Calcium absorption varies widely by food source. Dairy absorbs at ~30%, broccoli at ~50%, spinach at ~5%. Here's the science behind why.
IntermediateVitamin D: How Your Body Makes and Uses It
How vitamin D is made from sunlight, processed by the liver and kidneys, and used to regulate calcium, bone health, and immune function in the body.
BeginnerVitamin K1 vs K2: Blood Clotting, Bone Health, and the Warfarin Interaction
Vitamin K1 from greens runs blood clotting. K2 from fermented foods directs calcium to bone, not arteries. Here's the science and the warfarin interaction.
Intermediate