nutrient dense foods Circadian Reboot – E31 Morley Robbins on Copper, Iron, and the Root Causes of Fatigue (Part 3) Pam In their third interview, Pam Killeen and Morley Robbins discuss the important role of cerulosplamin and the controversy surrounding vitamin D supplementation. Circadian Reboot – E30 Morley Robbins on Copper, Iron, and the Root Causes of Fatigue (Part 2) Pam Pam Killeen and Morley Robbins explore how copper, iron, enzymes, and vitamin A impact mineral metabolism and chronic fatigue.