According to nutritional psychiatrist Uma Naidoo, M.D., utilizing spices and herbs is a surprisingly easy way to increase the nutritional value of a dish. 

“In the U.S., we rarely think about these ingredients in terms of nutrition,” Naidoo says. “Salt and pepper have been widely used as a main seasoning, but the benefits packed in herbs and spices are mind-blowing.” 

https://www.mindbodygreen.com/articles/nutritional-psychiatrist-favorite-healthy-spices