Topic: Vitamin D3

Vitamin A and Zinc are identified as critical nutrients for lung health and immune function, with liver being the richest source of Vitamin A. Gedgaudas notes that stress can triple the rate of zinc excretion, making individuals more vulnerable to infection. She also cites statistics showing that individuals with Vitamin D3 levels over 40 nanograms per deciliter have a significantly higher chance of recovery from illness.

Because modern soil is often depleted of nutrients, supplements like multivitamins, Omega-3 fatty acids, and Vitamin D3 are recommended to complement a healthy diet. Specific botanicals such as cordyceps mushrooms can aid energy metabolism and immune function without the "crash" associated with energy drinks. These natural tools offer a better risk-benefit ratio for managing daily energy and stress than alcohol or stimulants.