Autoimmunity: Starting at the Barrier
Different autoimmune conditions attack different tissue, but they share a mechanism — and one of the few modifiable inputs sits in the gut wall.
Vitamin D
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Vitamin K2 Decides Where the Calcium Goes
Largely absent from modern diets because it comes from fermented food and pastured animal fat — and it is the difference between calcium in bone and calcium in artery wall.
Vitamin D: The Dose Nobody Can Give You
Less a vitamin than a hormone, and one of the few supplements where deficiency is genuinely widespread at northern latitudes. The right dose varies more between people than for anything else on the shelf.