They are equal, as anybody with rudimentary knowledge of biochemistry can tell. Modern processed food have the added benefit of micronutrient fortification so your need of vitamins should be met mostly in case you actually plan to follow that diet.

The appeal of a "balanced and natural" diet has a mostly puritan origin but its benefits are far from clear. The only proven method to delay the onset of aging is caloric restriction. Kale and supplements are mostly placebo.