Patrick Holford, nutrition expert, leading spokesman, and author of 46 books, returns to discuss the benefits of vitamin D. Today, Holford shares why vitamin D is promoted more than vitamin C, where we get our source of vitamin D, and how much of it do we need. We discuss the benefits of vitamin D in the brain, how it's produced, and how to know if we have a vitamin D deficiency. We talk about:

Why is vitamin D promoted more for Covid-19 than vitamin C

How vitamin D is produced

Where we get our vitamin D

How much vitamin D do we need

Vitamin D deficiency

Benefits of vitamin D in the brain