According to the National Institute on Mental Health, research suggests that depression is caused by a combination of genetic, biological, environmental and psychological factors. One of the biological factors not often discussed is nutritional imbalance. Nutrition plays a major role in our ability to regulate psychological and emotional well-being, and deficiencies in key vitamins and minerals can compromise optimal brain functioning and increase levels of stress and anxiety.
The good news is that we can address the majority of common nutritional deficiencies by incorporating specific foods and supplements into our diets. It usually does not require medication and can be good first step in the treatment of depression. The best way to start is to have a comprehensive set of laboratory tests done to evaluate the nutritional status.