A reasonable target is to consume minimally processed foods for approximately 80% of one's diet.

“So what do you think about just a general statement that we should try and eat foods that are low to no-- minimally to not processed for about 80% of our foods. Is that a reasonable number?”

“most people should strive to get anywhere from 70 to 90% of their food from nonprocessed minimally processed Quality Foods and then allow some space for the you know some processed food highly processed foods and sweets and things like that”