
The ketogenic diet is a popular, low-carbohydrate approach to eating that has been shown to be effective in reducing blood sugar levels and aiding weight loss. However, some people find it challenging to maintain due to its restrictive nature. While following a keto diet, it is essential to monitor blood sugar levels closely, as they can drop too low, resulting in a condition called ketotic hypoglycemia. To manage low blood sugar on keto, consuming carbohydrates is crucial, and some recommended foods include juice, fruit, and high-protein snacks.
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What You'll Learn

Eat more protein and healthy fats
While a ketogenic diet is an effective way to manage blood sugar levels, it can be hard to maintain due to its restrictive nature. The diet is very high in fat, with 65% to 75% of calories derived from fat, and low in carbohydrates, with 5% to 10% of calories from carbohydrates.
If you are experiencing low blood sugar on a keto diet, it is important to eat some carbohydrates to raise your blood sugar quickly. However, in the long term, you can manage low blood sugar by eating more protein and healthy fats. This involves consuming non-starchy vegetables, fish, poultry, lean meat, eggs, olive oil, avocados, nuts and seeds, Greek yogurt, low-carb milk, and small amounts of cheese. These foods provide energy in the form of protein and fat while also being highly nutritious.
Protein raises blood sugar more steadily than carbohydrates. Eating more protein and healthy fats can help manage blood sugar levels by forcing your body to rely on energy sources other than carbohydrates, cutting your appetite, and reducing the burden on your pancreas. This is because eating fewer carbohydrates lowers insulin resistance, which means your body will respond more effectively to the insulin you make.
It is important to note that serving size matters, and eating large amounts of low-glycemic carbohydrate foods will still raise your blood glucose. Additionally, there is a lack of high-quality long-term research on the benefits of a low-carb diet for managing blood sugar. It is always best to work with a healthcare provider or registered dietitian to determine a safe, effective, and realistic diet plan.
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Limit or avoid dairy, fruits, legumes, beans, grains
Dairy products are a mixed bag on the keto diet. Some are keto-friendly, but most highly-processed dairy products are not. It also depends on your dairy tolerance. If you are lactose intolerant, for example, you should avoid dairy. If you can tolerate dairy, it can provide a rich source of nutrients, such as calcium. Good keto dairy options include butter, ghee, and most cheeses, such as mozzarella, gouda, brie, muenster, cheddar, and cream cheese.
Fruits are generally restricted on the keto diet because of their high natural sugar content, which can quickly add to your daily carb intake. However, some fruits are lower in carbs than others and can be consumed in moderation on the keto diet. These include watermelon, berries, avocado, and cantaloupe. Fruit smoothies and juices are also discouraged, except for those made from lemon or lime.
Legumes, including beans, are off-limits on keto because they are loaded with fiber and antioxidants. For example, half a cup of black beans contains about 13 grams of net carbs. However, this does not mean they are unhealthy; it just means that they do not fit into the keto diet's strict rules about carbohydrates.
Grains, especially refined grains, are also restricted on keto. Even whole-grain quinoa, which is high in protein, contains 17 grams of net carbs in a half-cup serving.
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Consume non-starchy vegetables, fish, poultry, lean meat, eggs, avocados, nuts and seeds
Consuming non-starchy vegetables, fish, poultry, lean meat, eggs, avocados, nuts, and seeds is a great way to manage low blood sugar on a keto diet. These foods are rich in proteins and healthy fats, which can help stabilise blood sugar levels and provide sustained energy.
Non-starchy vegetables, such as leafy greens, provide essential vitamins and minerals without spiking blood sugar levels. Fish, poultry, and lean meat are excellent sources of protein, which can help regulate blood sugar and promotes muscle health. Eggs are another high-protein food that can help balance blood sugar levels and keep you feeling fuller for longer.
Avocados are a unique fruit that is high in healthy fats and fibre, which can aid in blood sugar control and improve overall health. Nuts and seeds are also excellent sources of healthy fats, fibre, and protein. They make for nutritious snacks and can be easily incorporated into meals.
While a keto diet typically involves a significant reduction in carbohydrate intake, it is important to monitor your blood sugar levels closely and be mindful of how your body responds. Some people may find that they need to adjust their carbohydrate intake within the keto diet framework to maintain stable blood sugar levels.
Additionally, it is worth noting that while a keto diet can be effective for managing blood sugar, it may not be suitable for everyone. It is always advisable to consult with a healthcare professional or registered dietitian to determine the best dietary approach for your individual needs and long-term sustainability.
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Avoid heavily processed products and empty calorie foods
A ketogenic diet is a low-carb, high-fat diet that promotes the body's breakdown of fats instead of carbohydrates for energy. While keto can be effective for weight loss and blood sugar control, it may not be sustainable or suitable for everyone due to its restrictive nature.
When following a keto diet, it is essential to avoid heavily processed products and empty calorie foods. These include items like soda, candies, pastries, and other refined grain products. Such foods provide little nutritional value and can hinder your blood sugar management and weight loss goals.
Instead, focus on whole, unprocessed, or minimally processed foods that provide your body with essential nutrients like fiber, protein, and healthy fats. Prioritize non-starchy vegetables, such as leafy greens, avocados, and tomatoes. Include adequate protein sources like fish, poultry, lean meat, and eggs. Also, incorporate healthy fats like olive oil, nuts, and seeds into your meals.
By avoiding heavily processed and empty calorie foods, you not only improve your blood sugar levels but also enhance your overall health and well-being. This approach ensures your body receives the nutrients it needs to function optimally while still maintaining the principles of a keto diet.
Remember, serving size is also crucial. Even when choosing nutritious foods, excessive consumption can impact your blood glucose levels. Consult with a healthcare professional or registered dietitian to determine the appropriate serving sizes and macronutrient ratios for your specific needs and goals.
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Consider breaking your diet to raise blood sugar
If you are experiencing low blood sugar on a keto diet, it is important to prioritize your health and well-being. While the keto diet has been praised for its benefits in weight loss and blood sugar management, it is essential to recognize that it may not be suitable for everyone and can sometimes lead to hypoglycemia, especially in children and individuals with diabetes.
Consider breaking your keto diet to raise your blood sugar levels and prevent any potential health risks. Here are some suggestions:
- Consume glucose: Glucose is essential in treating low blood sugar, especially in cases of prolonged periods of low BG, as it can help prevent permanent brain damage. Consider drinking juice or eating fruits, gummies, or other high-glucose foods to quickly raise your blood sugar levels.
- Introduce carbohydrates: Carbohydrates are necessary to raise blood sugar levels. Consider eating starchy carbs or having a high-protein snack with some carbohydrates. You can also try maltodextrin, which is a straight carb/glucose option.
- Opt for protein and healthy fats: While carbohydrates are essential in raising blood sugar, including protein and healthy fats in your diet can help sustain your energy levels. Consider a juicy cheeseburger or a spoonful of pure peanut butter to raise your blood sugar and keep you full.
- Listen to your body: If you experience symptoms such as malaise, sugar cravings, mental fogginess, nausea, abdominal pain, or fatigue, it may be a sign that your body is struggling with the keto diet. Listen to your body and don't hesitate to break the diet if you feel these symptoms.
Remember, it is crucial to monitor your blood sugar levels and overall health. If you are experiencing severe or persistent low blood sugar, seek medical advice or consult a healthcare professional to determine the best course of action for your specific needs.
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Frequently asked questions
If you have low blood sugar on keto, you should eat or drink something with glucose or carbohydrates, such as juice or fruit. You can also eat something high in protein, like a burger, or a spoon of peanut butter.
Ketosis is a metabolic state in which the body breaks down fats instead of carbohydrates for energy, producing ketones.
Hypoglycemia is when blood sugar levels drop too low. It can be caused by long periods without eating, illness, or vomiting.
Ketotic hypoglycemia is a combination of low blood sugar and elevated ketones, which can occur when the body lacks glucose for energy and starts to break down fats instead.
Yes, a Mediterranean diet, rich in whole grains, fish, and vegetables, is also effective in controlling blood glucose. Other low-carb diets may also be effective, but it is important to work with a healthcare provider to determine the best approach for your individual needs.











































