vitamin d — Terrain

Vitamin D: Restoring the Sun–Hormone Connection

Feb 28, 2026 — Vitamin D is not just a vitamin — it is a hormone shaped by sunlight, membrane health, age, and critical cofactors. A practical guide to restoring the sun–terrain connection.

The Great Fat Reversal

May 24, 2026 — A deeper look at dietary fat as structural biology, connecting membranes, oxidation, mitochondria, antioxidants, and slow tissue remodeling.