Why Nutrient Deficiencies Happen - Even With a “Healthy” Diet I’m a big believer in getting most of our nutrients from food. Whole foods contain a synergistic blend of vitamins, minerals, and phytochemicals that generally improve how nutrients are absorbed and used by the body. But even with a healthy diet, there are many reasons we may still fall short on key nutrients - and over time, that can lead to deficiencies. 10 Causes of Nutrient Deficiencies 1. A highly processed di