The diet eliminates all grains, including whole grains, which are a good source of vitamins, minerals, antioxidants and heart healthy fiber, and foods such as beans, peanuts and sweet potatoes, all of which have numerous health-promoting qualities.

CNN: Is the Paleo diet healthy?

Fruits are a good source of vitamins, minerals, fiber, antioxidants and phytonutrients, all of which are important for diabetics.

CNN: Which fruits are OK for a diabetic to eat?

Turns out that a vegan diet is the one mostly likely to contain natural antioxidants and minerals that neutralize waste products like lactic acid.

FORBES: In Praise Of (Mostly) Vegan Diets