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Low Fat Keto Diet 2024: Is It A Safe Way To Diet?

Heather Freudenthal

Updated on - Written by
Medically reviewed by Brittany Ferri, Ph.D.

low fat keto diet
With the ketogenic diet promoting high fat intake, what does it mean to be on a low fat keto diet? Photo: Thanh Thanh

The ketogenic diet, often shortened to “keto,” is traditionally a low carb, high-fat diet, divided up by roughly 70% fat, 20% protein, and only 10% carbs. To follow the diet responsibly, it’s good to know all the healthy fats for keto available. 

A low fat ketogenic diet is a little different than a standard keto in that it emphasizes not only low amounts of carbohydrates but lower amounts of fats, as well (compared to standard ketogenic diets).

In order to undertake this approach to eating, more emphasis is placed on protein and carbs than otherwise would be. To help achieve success on the diet, it’s advised to work with a qualified practitioner. 

People wishing to adopt a ketogenic diet may also choose to sign up for keto meal delivery so that the guesswork can be taken out of meal prep.

Low Fat Keto Diet

A low fat ketogenic diet breaks away from traditional keto since fat is consumed in slightly lesser amounts compared to traditional keto. A traditional keto eating approach says 70% of calories should come from fat. 

When doing low fat keto, fat is still the priority, but its overall intake is reduced to around 50%; protein and carbs get increased by 10% each (making the new breakdown: 50% fat, 30% protein, 20% carbs).

What Is A Low Fat Keto Diet?

Many variations of the ketogenic diet exist–dirty keto, lazy keto, and low fat keto, just to name a few. Like the other versions of keto, low fat keto is designed to help loosen restrictions on the diet, as keto can be very restrictive.

When a diet is too restrictive, it sets people up for failure because it’s difficult to stick to long-term. Instead of eating 70% fat and only 10% carbs, fat is reduced to roughly 50%, leaving carbs and protein to fill in the gap. 

In other words, people on a low fat ketogenic diet can enjoy more carbs (a greater amount and a wider variety of carbs) than they would on a traditional keto diet. 

This eating style can be good for those who are looking for some of the benefits of keto, but who are not prepared to follow it as closely. Weight loss can still be achieved on a low fat keto diet, but it may be slightly harder to attain[1]

Yet, an argument for weight loss is that going low fat and higher-carb makes the diet easier to stick to, which could aid in weight loss. 

Keep in mind, that doing low fat keto is not ideal for achieving and maintaining ketosis (when the body burns fat for fuel), nor does it promise the same health benefits as a standard ketogenic diet.

Low Fat Keto Food: Pros & Cons 

low fat keto diet
Fish, nuts, seeds, olives, and avocados are excellent sources of healthy fat. Photo: Shutterstock

Pros   

The pros of a low fat ketogenic diet come down to more freedom, flexibility, and variety. A low fat keto diet plan is more flexible, less restrictive, and easier to stick to than traditional keto eating approaches.

Being on low fat keto is also a healthier eating approach because you get to choose from a wider variety of foods–more carbs, more fruits, more protein, etc.

The body thrives on diversity[2], particularly a variety of whole foods, for a robust gut microbiome and better health outcomes. Expanding the diet is the best way to get a wider range of foods in.

With more varieties and more macronutrients, there’s less chance of having nutritional deficiencies that can be brought on by restrictive diets. 

For some, the low fat eating pattern may help them lose weight, not only because fat is reduced, but because dieters may find it easier to maintain the diet over time.

Cons   

In order to get the body into ketosis, it needs to burn fat for fuel, instead of its preferred energy source: carbs. In order to achieve this, the body needs to be “deprived” of carbs and fed a lot of fats, instead. This is the standard ketogenic way of eating. 

However, on a lower fat ketogenic diet, fat is reduced, and carbs are increased, which means the body will not be able to reach or maintain ketosis.

It may also be harder to lose weight while on a low fat keto diet, for some. This will be highly individual. On one hand, with more carbs, losing weight can become more difficult. On the other hand, the decrease in fat may assist in weight loss. This will vary from person to person.

Low Fat Keto Diet Plan: Safety Tips  

Low Fat Keto Diet Plan
A low fat ketogenic diet should be done responsibly. Photo: Shutterstock

Nutrient Balance 

Any time we restrict food, we run the risk of limiting or depleting valuable nutrients[3]. For example, a low fat diet may mean we miss out on omega-3 fatty acids, or a low carb diet may mean we miss out on B vitamins in whole grains. 

Work with a nutritionist to monitor your nutrient levels to ensure you’re getting enough healthy fats, protein, carbs, fiber, minerals, and vitamins.

Work With A Practitioner

Whenever embarking on a new diet, especially one that is very different from one you’re used to and/or one that is restrictive, you should enlist the help of a professional. 

Nutrition and health can be complicated and multifaceted, and one should not attempt to drastically reduce their nutrients without knowing exactly how to compensate for those deficiencies. 

A Registered Dietician, Naturopathic Doctor, or Nutritionist would be some examples of professionals who can oversee the process.

Monitor Protein

With all the attention on reducing carbs and increasing fat (but not too much) on low fat keto foods, sometimes protein[4] gets overlooked. But it is important to remember that protein is a building block of life. 

We need adequate amounts for muscles, hormone production, and overall health. Opt for nutritious protein sources like nuts, lean meat, tofu, eggs, and fish to ensure you obtain about 30% of your daily calories from eating healthy fats on a low-fat ketogenic diet.

Hydrate

Hydration is a key element in getting nutrients to our cells and flushing out toxins. When dieting, emphasis is usually placed on which foods to eat and avoid. However, we can’t assimilate food well without enough water and electrolytes. 

Be sure to drink plenty of clear, non-sugary fluid each day in between meals.

Choose Whole Foods

When we’re talking about fat intake, carbohydrate intake, and protein intake, we’re not just talking about any foods that fall into those categories. 

In order to do the low fat version of the diet safely, all food sources should be whole, unprocessed foods, preferably organic and humanely raised/grown. 

For fat, avoid saturated fat and stick with sources of omega-3 fatty acids, such as salmon, sardines, olives, nuts, seeds, and avocados.

Avoid Long-Term Dieting

It’s hard on a traditional low carb diet when carbohydrate intake is limited, to keep up the diet long-term, which is why a keto low fat diet may be just the thing some people need to stick with. 

Still, adhering to any diet for long periods of time can be challenging and unhealthy (if too many nutrients are missing or the dieter adopts a rigid mindset around food). 

Collaborate with a healthcare professional to maintain the diet for as long as it remains a healthy choice, but eventually, seek a more sustainable eating approach that doesn’t feel overly restrictive while still focusing on eating healthy fats.

Conclusion

A low fat keto diet is the anecdote to a strict standard ketogenic diet in which fats are prioritized above all else–a way of eating that can be challenging even for the most disciplined people. On a keto low fat diet, rather than aiming for 70% fat intake each day, the goal is closer to 50%.

This leaves more room for protein and carbs (macronutrients that are usually kept to a minimum on a traditional ketogenic diet). 

This low fat way of approaching keto can be liberating for many people who find standard keto too restrictive, making it easier to stick to long-term, however, losing weight and reaching ketosis may be more difficult to achieve.

Frequently Asked Questions

Can my body still go into ketosis on a low-fat keto diet?

Unfortunately, those looking to achieve ketosis will have trouble doing so on a low-fat keto diet. The body needs more fat and less carbs to start burning fat for fuel, and this is difficult to attain on any low-fat diet.

What’s the difference between low-fat keto and lazy keto?

Both versions of keto offer a more “relaxed” approach to the diet, but their emphases are different. Lazy keto focuses just on keeping carbs low and does not pay as much attention to the amount of protein and fat. Low-fat keto requires equal attention to all three macronutrients but allows less fat and more carbs than a standard keto diet.

How do I know if the low-fat keto diet is right for me?

You have to listen to your body, plain and simple. Do you feel good on the diet? Not deprived? Are you able to stick to it easily? Also, have you backed it up with medical reports? If you feel good about the diet and your medical tests are showing improvement in your weight and health, then you’ve found a good diet for yourself.

Can I still lose weight on low-fat keto?

Yes. For some people, the reduction in fat will help with weight loss. However, if too many carbs are consumed (especially processed carbs), this can hinder weight loss efforts. The best thing is to work with a practitioner and focus on whole, unprocessed sources of food, and to combine your dietary efforts with a regular workout routine.


+ 4 sources

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  1. O’Neill, B.J. and Raggi, P. (2020). The ketogenic diet: Pros and cons. [online] 292, pp.119–126. doi:https://doi.org/10.1016/j.atherosclerosis.2019.11.021.
  2. ‌Wu, Q., Gao, Z., Yu, X. and Wang, P. (2022). Dietary regulation in health and disease. [online] 7(1). doi:https://doi.org/10.1038/s41392-022-01104-w.
  3. ‌Neufingerl, N. and Eilander, A. (2021). Nutrient Intake and Status in Adults Consuming Plant-Based Diets Compared to Meat-Eaters: A Systematic Review. [online] 14(1), pp.29–29. doi:https://doi.org/10.3390/nu14010029.
  4. ‌Rodriguez, N., Di, N.M. and Langley, S. (2009). Nutrition and Athletic Performance. [online] 41(3), pp.709–731. doi:https://doi.org/10.1249/mss.0b013e31890eb86.
Heather Freudenthal

Medically reviewed by:

Brittany Ferri

Integrative Nutrition Health Coach and Wellness Writer with a holistic and functional medicine/root cause mindset. My writing style is engaging, relatable, and educational, designed to help readers digest and relate to complex topics in nutrition, gut health, hormone health, mental health, and spiritual health, then inspire them to take action.

Medically reviewed by:

Brittany Ferri

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