Low Carb High Fat Diet: What It Is, Benefits & Foods List In 2023
Recently, the low-carb, high-fat diet, or LCHF diet, has gained significant popularity. The LCHF diet plan is a nutritional approach focusing on reducing carbohydrate intake while increasing healthy fat consumption.
This special diet has proven beneficial for various groups, including those looking to lose weight, manage diabetes, and prevent other chronic conditions. This low-carb diet offers a different perspective on carbs, protein, and fat distribution. It shows that reducing carb intake and embracing healthy fats helps to achieve health and lifestyle goals. The problem with this diet is that it lacks clear macronutrient goals.
Below, we will explore the numerous benefits of the LCHF diet, discuss delicious meal ideas, and provide tips on effectively implementing this lifestyle change. You will also get a comprehensive list of foods to eat and avoid and tips to help you sustain the diet.
- The low-carb high-fat diet, or LCHF diet, is a nutritional approach that reduces carbohydrate intake and increases healthy fat consumption. It suits various individuals, including those looking to lose weight, manage diabetes, and prevent other chronic conditions.
- Benefits of the LCHF diet include weight loss, improved blood sugar control, increased satiety, enhanced mental clarity, improved energy levels, and better heart health.
- Foods to eat on the LCHF diet include healthy fats, proteins, and low-carb vegetables. The diet is limited to high-carb foods, sugar-sweetened beverages, trans fats, fried foods, processed meats, and artificial sweeteners.
What Is The Low Carb, High Fat Diet?
The low-carb, high-fat diet is a nutritional approach focusing on reducing carbohydrate intake and replacing it with healthy fats. Originating in Sweden, this diet can be effective in promoting weight loss, managing diabetes, and improving other health conditions like cardiovascular disease.
In a typical LCHF diet, a person obtains less than 45% of their daily calories from carbohydrates, while fat intake ranges from moderate to high. Simply put, you add fats to a diet. Also, the diet includes proteins, vitamins, and minerals.
Moreover, the LCHF diet promotes satiety due to the consumption of healthy fats, which can help reduce overall calorie intake and support weight loss. The LCHF diet shares similarities with the Atkins and ketogenic diets — they all fall under the same umbrella. They all involve reducing carbohydrate intake and increasing fat consumption, but Atkins and ketogenic diets usually require a higher level of carb restriction.
Who Is This Diet For?
The high-fat, low-carb diet is suitable for a variety of individuals. It is a good option if you want to be proactive with your health. However, it is often recommended to people who have struggled with traditional low-fat diets.
It also works for people who are looking to manage specific health conditions. Some specific conditions that may benefit from the LCHF diet include:
While adequate research shows that the LCHF diet can benefit these conditions, it’s essential to consult a healthcare professional before making significant dietary changes. Individual needs and health conditions may vary.
Benefits Of Low-Carb High-Fat Diets
Low-carb, high-fat diets have numerous potential health benefits and effectiveness for weight loss. Some of these high-fat diet benefits include:
- Weight Loss: One of the primary reasons people adopt an LCHF diet is for weight loss. When you reduce carbohydrate intake and increase healthy fats, the body enters a state of ketosis. This encourages the body to burn stored fat for energy instead of glucose.
- Improved Blood Sugar Control: Another high-fat diet benefit is that it can help regulate blood sugar levels and improve insulin sensitivity. This is particularly beneficial for people with type 2 diabetes or those at risk of developing the condition.
- Increased Satiety: High-fat foods are often more satiating than high-carb foods, helping to reduce hunger and cravings. This can lead to a reduced calorie intake, making it easier to stick to a healthy diet.
- Enhanced Mental Clarity: Many people who follow an LCHF diet report increased mental clarity and focus. This may be due to the brain’s ability to efficiently use ketones as a fuel source when glucose is limited. The LCHF diet also contains specialized vitamins that help improve brain function.
- Improved Energy Levels: Once the body adapts to using fat for fuel, energy levels may become more stable and consistent throughout the day without the energy crashes often associated with high-carb diets.
- Better Heart Health: Although an LCHF diet is high in fat, it often emphasizes healthy fats, such as avocados, nuts, and olive oil. These fats can help improve cholesterol levels and support overall heart health.
Fantastic Low Carb High Fat Foods List
While there are numerous benefits to eating high-fat, low-carb foods, we need to specify the types of food that are the healthiest on this diet. You should include some low-carb, high-fat foods in your list:
Foods To Eat
- Avocado and avocado oil.
- Extra-virgin olive oil.
- Coconut oil and coconut cream.
- Butter and ghee.
- Nuts (e.g., almonds, pecans, walnuts, Brazil nuts).
- Seeds (e.g., chia seeds, flaxseeds, pumpkin seeds).
- Fatty fish (e.g., salmon, mackerel, sardines).
- Meat (e.g., beef, pork, lamb, chicken, turkey).
- Cheese (e.g., cheddar, mozzarella, feta, brie).
- Full-fat yogurt and Greek yogurt.
- Leafy greens (e.g., spinach, kale, Swiss chard).
- Bell peppers.
- Green beans.
- Brussels sprouts.
Remember to choose high-quality, minimally processed options whenever possible in your low-carb diets to maximize health benefits. You can also try specialized options like smoothies, milkshakes, and low-carb cereals.
However, always consult with a healthcare professional before making significant changes to your diet.
Foods To Limit
Here are some foods to limit on the LCHF diet:
- High-carb foods like sugary snacks and desserts.
- Sugar-sweetened beverages (e.g., soda, energy drinks).
- Trans fats (found in processed foods).
- Fried foods (e.g., French fries, fried chicken, doughnuts).
- Processed meats (e.g., hot dogs, sausages, deli meats).
- Artificial sweeteners and sugar alcohols (e.g., aspartame, sucralose, maltitol).
- Excessive Alcohol.
Tips To Follow The Low-Carb High-Fat Diet
As we have seen, following a low-carb, high-fat diet is a great way to improve your health and achieve your weight loss goals. Here are some tips to help you succeed on this diet:
- Plan Your Meals: Take the time to plan your meals for the week. Focus on low-carb, high-fat foods. This will help you avoid last-minute temptations and make healthier choices. To save time, you can also arrange to deliver your food through meal delivery services.
- Keep Track of Your Carb Intake: Monitor your daily carbohydrate intake to ensure you stay within your desired range. Use a food diary or a smartphone app to track your meals and carb consumption.
- Choose Healthy Fats: Opt for high-quality fats like avocado, olive oil, and coconut oil, and avoid unhealthy fats like trans fats and refined vegetable oils.
- Stay Hydrated: Drink plenty of water throughout the day to help control your appetite and support overall health.
- Exercise Regularly: Combine your low-carb, high-fat diet with regular physical activity to boost your weight loss efforts and improve overall health.
Following these tips, you can successfully navigate the low-carb, high-fat diet and enjoy its potential health benefits. Remember to consult with your doctor before starting out with a new diet plan such as this one.
Low Carb High Fat Diet Side Effects
While many people experience benefits from following a low-carb, high-fat diet, there can be some side effects, especially during the initial adaptation period. Here are some common potential side effects:
- Muscle cramps.
- Bad breath.
- Elevated cholesterol levels.
These side effects can vary among individuals and often subside as the body adapts to the new diet. Drinking plenty of water, ensuring adequate electrolyte intake, and gradually transitioning can help mitigate some of these side effects.
The low-carb, high-fat diet is practical for people seeking weight loss and improved health. While some people may experience side effects, many of these can be managed with proper hydration, electrolyte supplementation, and gradual adaptation to the diet.
It’s essential to consult with a healthcare professional before embarking on any dietary changes, as individual needs and medical conditions may vary.
By focusing on nutrient-dense foods, maintaining a balanced macronutrient intake, and listening to your body, the LCHF diet can be a sustainable and beneficial lifestyle choice for many.
+ 12 sources
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- Brouns, F. (2018). Overweight and diabetes prevention: is a low-carbohydrate–high-fat diet recommendable? [online] 57(4), pp.1301–1312. doi:https://doi.org/10.1007/s00394-018-1636-y.
- Paoli, A., Rubini, A., Volek, J.S. and Grimaldi, K.A. (2013). Beyond weight loss: a review of the therapeutic uses of very-low-carbohydrate (ketogenic) diets. [online] 67(8), pp.789–796. doi:https://doi.org/10.1038/ejcn.2013.116.
- Zinn, C., Rush, A. and Johnson, R.N. (2018). Assessing the nutrient intake of a low-carbohydrate, high-fat (LCHF) diet: a hypothetical case study design. [online] 8(2), pp.e018846–e018846. doi:https://doi.org/10.1136/bmjopen-2017-018846.
- Tay, J., Luscombe-Marsh, N.D., Thompson, C.H., Noakes, M., Buckley, J.D., Wittert, G.A., Yancy, W.S. and Brinkworth, G.D. (2015). Comparison of low- and high-carbohydrate diets for type 2 diabetes management: a randomized trial. [online] 102(4), pp.780–790. doi:https://doi.org/10.3945/ajcn.115.112581.
- Beilharz, J.E., Jayanthi Maniam and Morris, M.J. (2015). Diet-Induced Cognitive Deficits: The Role of Fat and Sugar, Potential Mechanisms and Nutritional Interventions. [online] 7(8), pp.6719–6738. doi:https://doi.org/10.3390/nu7085307.
- Ruth, M.R., Port, A., Shah, M., Bourland, A.C., Istfan, N.W., Nelson, K.P., Noyan Gokce and Apovian, C.M. (2013). Consuming a hypocaloric high fat low carbohydrate diet for 12 weeks lowers C-reactive protein, and raises serum adiponectin and high density lipoprotein-cholesterol in obese subjects. [online] 62(12), pp.1779–1787. doi:https://doi.org/10.1016/j.metabol.2013.07.006.
- Pohlmeier, A.M., Phy, J.L., Watkins, P., Boylan, M., Spallholz, J.E., Harris, K.S. and Cooper, J.A. (2014). Effect of a low-starch/low-dairy diet on fat oxidation in overweight and obese women with polycystic ovary syndrome. [online] 39(11), pp.1237–1244. doi:https://doi.org/10.1139/apnm-2014-0073.
- Ross, L.J., Byrnes, A., Hay, R.L., Cawte, A. and Musial, J.M. (2020). Exploring the highs and lows of very low carbohydrate high fat diets on weight loss and diabetes‐ and cardiovascular disease‐related risk markers: A systematic review. [online] 78(1), pp.41–56. doi:https://doi.org/10.1111/1747-0080.12649.
- Ahmed, S., Sridevi Bellamkonda, Mihail Zilbermint, Wang, J. and Kalyani, R.R. (2020). Effects of the low carbohydrate, high fat diet on glycemic control and body weight in patients with type 2 diabetes: experience from a community-based cohort. [online] 8(1), pp.e000980–e000980. doi:https://doi.org/10.1136/bmjdrc-2019-000980.
- Soraiya Ebrahimpour-Koujan, Ammar Hassanzadeh Keshteli, Afshar, H., Esmaillzadeh, A. and Adibi, P. (2019). Adherence to low carbohydrate diet and prevalence of psychological disorders in adults. [online] 18(1). doi:https://doi.org/10.1186/s12937-019-0513-8.
- Crosby, L., Brenda Darlene Davis, Joshi, S., Jardine, M., Paul, J., Neola, M. and Barnard, N.D. (2021). Ketogenic Diets and Chronic Disease: Weighing the Benefits Against the Risks. [online] 8. doi:https://doi.org/10.3389/fnut.2021.702802.
- Kjetil Retterstøl, Svendsen, M.N., Ingunn Narverud and Holven, K.B. (2018). Effect of low carbohydrate high fat diet on LDL cholesterol and gene expression in normal-weight, young adults: A randomized controlled study. [online] 279, pp.52–61. doi:https://doi.org/10.1016/j.atherosclerosis.2018.10.013.