Severely restricting carbohydrates to less than 0.7 ounces (20 grams) a day can result in a process called ketosis. Ketosis occurs when you don't have enough sugar (glucose) for energy, so your body breaks down stored fat, causing ketones to build up in your body. Side effects from ketosis can include nausea, headache, mental and physical fatigue, and bad breath.
However, the more weight you want to lose, or the more your health has suffered on the SAD way of eating, the fewer carbs you may want to consume at the start of the low-carb, high-fat diet. If you stay under 20 grams of carbs a day, you will be eating a very low-carb diet or ketogenic diet, in which your body converts from burning carbs (glucose) to burning fat (ketones) for fuel. Ketogenic diets can also suppress appetite, so you end up eating less without getting hungry.
However, there’s no evidence that following a low-carb diet is any more beneficial in managing diabetes than other approaches in the long term, including a healthy, balanced diet. Research suggests that the best type of diet is one that you can maintain in the long term, so it's important to talk to your healthcare professional about what you think will work for you. Another option is the Mediterranean diet, which is also linked to reducing the risk of heart diseases and stroke.
Another option is to decrease the intake of carbohydrates slowly, over a few weeks, to minimize side effects. But the “Nike way” (Just Do It) may be the best choice for most people. Removing most sugar and starch often results in several pounds lost on the scale within a few days. This may be mostly fluids, but it can still be great for motivation.
Want to try intermittent fasting but not sure how to start? Follow Darya’s meal plan! A graphic designer at Diet Doctor, she eats a ketogenic diet and works out twice a week. While she enjoys cooking on the weekend, during the weekdays she usually cooks easy, quick meals and often skips breakfast. So this meal plan is perfect if you want to do intermittent fasting (16:8) Darya’s way! Then splurge on yummy keto breakfasts on the weekend. 
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