Ketogenic Diets for Diabetes and Pre-diabetes

Ketogenic Diets

People with diabetes and pre-diabetes need to reduce the amount of glucose-sugar from carbohydrates in their blood stream. And it is important to know there are two completely different types of diabetes.  Type 1 diabetes mellitus is a permanent condition, caused when your pancreas has never been able to produce enough insulin.

However, Type 2 diabetes is a different medical condition, which is linked with obesity causing insulin resistance, and this alters the way your body processes blood sugar. Type 2 is not necessarily a life-long condition; it often starts when people become over-weight. And in the last few years, researchers have found it can be controlled and even cured by changing your diet and losing surplus weight.

Keto dieting for Type 2 diabetes

This article is aimed at informing those with Type 2 diabetes and pre-diabetes on how to improve blood sugar levels and reduce the need for insulin. However, it is not intended for anyone with Type 1 diabetes, as without stringent medical supervision, serious complications can arise for Type 1 patients who try a keto diet.

Energy from fat not sugar

The big difference between the keto diet and other medically backed weight-loss diets, is that you change your diet to include more fats and less carbs. This switches your liver away from using glucose-sugar from carbohydrate foods. So instead you eat a high-fat diet, which deprives the liver of sugar, so it’s forced to use surplus fat as the brain and body’s energy source.

And this includes your reserves of extra body fat! Carbs from any source just become sugar once you’ve eaten them, so if you reduce your carb intake dramatically with the keto diabetic diet, you will lose weight and improve your symptoms. In the keto diet for diabetics and pre-diabetics, the following foods should be cut out or greatly reduced:

Foods to avoid on keto diabetic diet

  • Alcohol: Due to its high-sugar content, alcohol can prevent you achieving ketosis
  • Beans and other legumes: Chickpeas/garbanzos, lentils, peas, kidney/red beans
  • Fruit: All types of fruit, with the exception of small amounts of berries such as strawberries
  • Grains and starches: Cereals, pasta, rice and wheat products
  • Low-fat and ‘diet’ products: These highly-processed foods are usually packed with carbs
  • Root vegetables and tubers: Carrots, turnips, sweet potato, potato, parsnips
  • Sauces and condiments: Highly-processed additions which are full of unhealthy fats and sugar
  • Sugar-free ‘diet’ foods: Highly-processed foods, which instead of normal sugar, mostly contain high levels of sugar alcohols that lower ketone levels.
  • Sugary foods: Fruit juices, soft drinks, ice-cream, smoothies, cake, sweets and caramels
  • Unhealthy fats: Avoid all processed vegetable oils and variations on mayonnaise

Best foods for Keto diet for diabetes

Try to cook your meals from scratch with whole, unprocessed ingredients. Avoid as many processed foods and drinks as possible, as they are very unhealthy for everyone and will prevent you reaching a state of ketosis.

  • Avocados: Whole avocado or fresh, home-made guacamole
  • Butter and cream: Preferably from grass-fed cows
  • Cheese: Cheddar, cream-cheese, goat, blue, mozzarella and other non-processed cheeses
  • Condiments: Fresh herbs and spices, salt and pepper
  • Eggs: Preferably omega-3 or pasteurized, whole eggs not processed products
  • Fatty fish: Salmon, trout, sardines, mackerel and other fatty fish
  • Healthy oils: Natural oils including extra-virgin olive oil, avocado oil, and coconut oil
  • Low-carb vegetables: Green leafy vegetables, onions, peppers, tomatoes
  • Meat: Bacon, ham, sausages, steak, red meats, turkey and chicken
  • Nuts and seeds: Chia seeds, almonds, pumpkin seeds, flax seeds, walnuts

Sample one week keto diet meal plan


  • Breakfast: Fried eggs, bacon and mushrooms
  • Lunch: Beef-burger with hot sauce, cheese and freshly-made guacamole
  • Dinner: Steak and fried or scrambled eggs with a side salad


  • Breakfast: Ham and cheese omelette with veg
  • Lunch: Slices of cheese and ham with nuts
  • Dinner: White-fish, with an egg and spinach, fried in coconut oil


  • Breakfast: Egg, tomato, fresh basil and goat cheese omelette or scrambled eggs
  • Lunch: Milkshake with peanut butter, cocoa powder, stevia and almond milk
  • Dinner: Meatballs, cheddar and low-carb vegetables


  • Breakfast: Eggs, bacon and tomatoes
  • Lunch: Chicken salad with feta cheese and olive oil
  • Dinner: Salmon plus asparagus (frozen or fresh) or green leafy vegetables cooked in butter


  • Breakfast: Omelet with avocado, salsa, peppers, onion and spices
  • Lunch: A handful of nuts and celery sticks with guacamole and salsa
  • Dinner: Chicken stuffed with pesto and cream cheese, along with vegetables


  • Breakfast: Sugar-free yogurt with peanut butter, cocoa powder and stevia
  • Lunch: Beef stir-fry cooked in coconut oil with vegetables
  • Dinner: Bun-less burger with bacon, egg and cheese


  • Breakfast: A ketogenic strawberry milkshake with stevia extract drops, chia seeds whipped cream or coconut milk
  • Lunch: Shrimp and avocado salad dressed with olive oil
  • Dinner: Pork chops covered with Parmesan cheese, with broccoli and salad
Sample one week keto diet meal plan
Sample one week keto diet meal plan


Healthy Keto Snacks

  • Strawberries and cream
  • 1or 2 hard-boiled eggs
  • A handful of nuts or seeds
  • A low-carb almond milk milkshake with pure cocoa powder and nut butter
  • A few squares of 90% cocoa solids dark chocolate
  • Celery with salsa and freshly-made, not supermarket, guacamole
  • Unprocessed cheese including cottage cheese with or without olives
  • Fatty meat or fish
  • Full-fat yogurt with nut butter and pure cocoa powder
  • Small portions of leftovers

Eat healthy fats

Don’t take the keto diet as an opportunity to overdose on saturated fats, even though you will be eating more of these in fatty meat, butter and cream. Remember to load up on the healthy unsaturated fats you get from these tasty foods:

  • avocado
  • cottage cheese
  • eggs
  • fatty fish such as mackerel, sardines and salmon
  • all types of nuts and nut butters
  • olives, but not too many as they contain a lot of salt, and olive oil
  • a wide variety of delicious seeds

Nutrition & Diabetes journal study

According to the Nutrition & Diabetes Journal study, the keto diet is recommended as a slimming diet, which improves the symptoms of pre-diabetes, metabolic syndrome and Type 2 diabetes. Various other studies have found that:-

  1. The keto diet can improve insulin sensitivity by an impressive 75%.
  2. In another study, one-third of the 21 Type 2 diabetic participants were cured of their diabetes and no longer needed to use any diabetes medications.
  3. A comparative study between a keto diet group and a diet group eating more carbs, the keto group lost 244 lbs./111 kgs., but the higher-carb dieters only lost 152 lbs./69 kgs.
  4. And in this same study, 95.2 per cent of the keto dieters were able to stop or reduce diabetes medication, compared to a paltry 62 per cent in the higher-carb diet group.

Consult your doctor

This article is intended as a general guideline on keto dieting for Type 2 diabetics and pre-diabetics. It is not intended as medical advice. You should always discuss your diet with your doctor and never embark on a special diet without close medical supervision.

More From Beauty
What's New