Life What is the healthiest vegetable? There isn’t one ‘best,’ but these are great nutrient-dense options. March 19, 2023April 25, 2023 Clare Mulroy, USA TODAY Comments Off on What is the healthiest vegetable? There isn’t one ‘best,’ but these are great nutrient-dense options. There isn't just one "healthiest" vegetable, but some vegetables do have different nutrients than others. Here's what a registered dietitian suggests.