Diabetics can find a list of foods that contain no carbohydrates on Low Carbe Diem's website. Foods that contain no carbohydrates include natural meats, seafood, and oils and fats.
Natural meats consist of fat and protein. Carb-free meats include beef, lamb, pork, chicken and turkey. Organ and game meats are also carb-free. Fish and shellfish likewise consist of fat and protein. Some carb-free fish and shellfish are sardines, salmon, tuna, shrimp and lobster.
Consisting only of fat, some carb-free oils are olive oil, coconut oil, sunflower oil, avocado oil and grapeseed oil. Additionally, animal fats such as butter and lard are carb-free.