Reminiscent of the 'Got Milk?' adverts of the past, Trump's milk mustache promotes the USDA's newly released nutrition guidelines.

Whole wheat bread generally offers more overall benefits over white bread when blood sugar is the primary consideration. White bread is more likely to trigger a sugar spike because it lacks the amount of fiber necessary to slow absorption.

Walmart's entry into groceries, and supermarkets' reaction, sent some shoppers to Whole Foods, co-founder John Mackey said.

Both are packed with protein and probiotics, but the choice between nonfat and whole-milk Greek yogurt depends on your health goals, calorie needs, and how you like your yogurt to taste.