O

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The following is a list of foods that are allowed (legal) and foods that are not allowed (illegal) while following the Paleo diet. 

Oats, Oatmeal Not allowed  
Okra Allowed  
Olive oil Allowed Buy organic, extra-virgin, and cold-pressed.
Olives Allowed  
Onion powder Allowed  
Onions Allowed  
Oranges Allowed  
Oregano Allowed  
Ostrich Allowed  
Oysters Allowed