Dr. Martin has always been against eating only from the plant kingdom. It’s not that vegetables are bad, but so many essential nutrients are missed when you choose to avoid eating meat.

In this two part series, Dr. Martin looks at 17 things that are not adequately sourced from plants, with some being found only in the animal kingdom. He highlights the role these nutrients play in optimizing the immune system, supporting brain and heart health, and promoting overall well-being.