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Keto Diet Basics

Everything You Need for a Vegetarian Ketogenic Diet

Published on: September 25, 2018

Everything You Need for a Vegetarian Ketogenic Diet

Vegetarian diets are touted as one of the healthiest on the planet. However, the exclusion of meat is not the only thing that makes these diets healthy. It's also the inclusion of real food and wholesome ingredients. Besides, a vegetarian binging on donuts, fries, and cheese is doing their health and environment a disservice as much as any other food junkie.

But what if a vegetarian decides to go keto? Do people risk developing deficiencies and side effects by following a vegetarian ketogenic diet? More importantly, is this type of diet even sustainable? The short answer is yes – a keto vegetarian diet can be nutritious, sustainable, and healthy when you plan it right. It can also be satisfying enough to make you stick for the long haul.

But the risk is still there since you'll be excluding foods on an already restrictive diet. If you're a vegetarian who's decided to take the leap and joint the keto community while still sticking to your plant-based principles, then read our guide on how to do it right.

The Ketogenic Diet: Some Basic Principles

The ketogenic, aka keto, diet is all about macronutrients. It's defined as a low-carb, high-fat, and moderate protein diet whose goal is ketosis – an altered metabolic state where the body switches to burning ketones instead of sugar for fuel. Being in ketosis provides a wide range of health benefits, just a couple of which include:

  • Weight loss – When you reduce your calorie intake on keto, your body starts to burn its own fat stores to make ketones. But what's even better, the diet spares your muscles in the process [1]. The keto diet is very effective for weight loss also because it has a natural appetite-suppressing effect [2].
  • Blood glucose support – Because keto is very low in carbs, it helps lower blood sugar. There's also evidence that it can help reverse diabetes and improve insulin sensitivity.
  • Reduced inflammation – Inflammation is the leading driver of chronic diseases plaguing the West, such as diabetes, cardiovascular diseases, arthritis, and even cancer. Studies show keto provides anti-inflammatory and antioxidant protection, which helps prevent these problems [3].
  • Better brain health – Ketones are your body's natural nootropics. They're a more powerful source of energy than carbs and protein, providing a constant influx of energy to the brain. Carbs, on the other hand, lead to blood sugar spikes and crashes, which can lead to brain fog. The anti-inflammatory and antioxidant action of ketones also helps protect the brain against free radical damage.

To get these and many other benefits, you have to lower your carbs to below 50 grams per day and boost your fat intake so it makes up 65-80% of your diet. However, you can adjust these macros to fit your specific needs and goals. To learn more about macronutrient ratios on the keto diet, click here.

As a general rule – pay special attention to your carb intake. Carbs are not your friend on keto because, as long as your body is getting enough of them, it will not enter ketosis. Fat, on the other hand, is the main fuel on this diet. Don't think that this higher fat intake is putting you at risk of weight gain because, on keto, your body burns fat.

Making the Keto Diet Vegetarian

To help lower their carb intake, keto dieters are advised to cut out all grains, legumes, and high-carb fruit and vegetables. Ketoers are also encouraged to boost their intake of high-fat dairy, fatty cuts of meat, fatty fish, and nuts and seeds. Ketoers also need to stay moderate with protein-rich food like eggs, lean cuts of meat, meat substitutes, and low-carb fruit and vegetables.

So, when you consider these guidelines, how do you make this diet vegetarian? After all, the diet excludes a whole range of vegetarian staples like fruit and grains. Well, with a bit of researching and careful planning, a vegetarian keto diet is possible. Here are some ways to make the keto diet vegetarian and nutritious as well:

1) Eat enough protein

You only need around 0.8 grams of protein per kilogram of body weight on keto. You can easily meet minimal protein requirements by replacing meat with other protein-rich food. Good options include:

  • High-fat dairy - Nutritionists claim milk products are likely the best sources of high-quality protein [4]. That's because milk proteins contains all 9 essential amino acids and are easier to digest than either beef or soy proteins. Just make sure you're going for products higher in fat to make it more keto. Examples include sour cream, cheese, and full-fat yogurt.
  • Pastured eggs - Right after milk, eggs are one of the best protein sources available. Go for pastured if possible because these are more nutritious than conventional eggs [5]. One large egg provides around 6.3 grams of protein with all essential amino acids as well as 24 grams of fat, making it ideal for keto.
  • Nuts and seeds - Most nuts and seeds are rich in protein. However, they usually don't contain all essential amino acids. That's why you will need to eat a variety of nuts and seeds to ensure you're meeting your protein needs. Almonds, walnuts, hazelnuts, pistachios, sesame seeds, and chia seeds are great options on keto. Nut butters should also be on your keto food list.
  • Tofu and meat substitutes - Soy products are a bit controversial in the keto community. Some dieters claim that phytoestrogens and antinutrients in soy could have a negative effect on health and nutrition. On the other hand, soy is a rare plant source of all essential amino acids, making it a valuable vegan-friendly food. While soy milk may be high in carbs, tofu only has around 2 grams net carbs in a 7 oz. serving.

2) Eat 3 servings of low-carb vegetables

While grains and legumes are not allowed on keto, low-carb vegetables definitely are. You need to eat at least 3 servings of vegetables a day to meet your daily needs for vitamins, minerals, and fiber. Vegetables are also rich in health-benefiting phytochemicals that research shows reduce your risk of heart attack, cancer, and cognitive decline [6]. Examples of low-carb vegetables are:

Leafy greens: spinach, cabbage, kale, parsley, arugula, lettuce, broccoli, endive, and celery.

Above-ground vegetables:zucchini, cauliflower, eggplants, peppers, cucumbers, asparagus, and bitter gourd.


3) Stick to berries and low-carb fruit

Fruit is nature's candy so it's definitely not allowed on keto. There are a couple of exceptions, though. Berries are generally low in carbs and there are many other low-carb keto fruit you can indulge in occasionally. Use fruit to add flavor to your keto desserts but still keep an eye on their carb count.

4) Eat a variety of fats

Fat will constitute the most part of your diet, so it's important to choose the healthiest and highest-quality fats available. You also need a variety of fats to ensure you are giving your body everything it needs. Some fats are essential, while others are not. Some fats are also health-promoting, while others put you at risk of diseases. Here's more on what fat you need to eat on a vegetarian keto diet and where to get it:

Essential polyunsaturated fatty acids (PUFAs)

Essential fatty acids are those the body needs to obtain from food because it can't make them on its own. Your body needs them for brain functioning, healthy skin and nails, inflammation regulation, and countless other functions [7]. Only two fatty acids are essential:

  • Alpha-linolenic acid (an omega-3 fatty acid)
  • Linoleic acid (an omega-6 fatty acid)

Most people are already getting enough omega-6 fatty acids since these are fairly common. But omega-3 fats are harder to obtain. The best vegetarian source of omega-3s include walnuts, olive oil, flaxseed, and chia seeds. However, studies show that your body needs fairly large amounts of plant omega-3s to convert it into its usable for [8]. Keep that in mind when planning a vegan diet.

What we also know is that certain species of algae are the most reliable source of usable omega-3s. You can find these sold as supplements or algal oil. Around 2000-3000 mg of omega-3s daily is all you need to stay healthy.

Saturated fats

For a very long time, saturated fats were blamed for causing atherosclerosis, heart attacks, and stroke. But now, researchers say that their role in causing these disorders was much exaggerated [9]. Furthermore, saturated fats are diverse compounds that can't be lumped into a single "bad" category.

On a keto diet, saturated fats are not only good but a valuable tool for raising ketones. A special type of saturated fats called medium-chain triglycerides (MCTs) are even scientifically proven to raise ketones [10]. They don't require digestive enzymes and are directly sent to the liver to be used for energy. Sources of MCTs on a vegetarian ketogenic diet are:

  • Coconut oil (68%)
  • Palm kernel oil (52%)
  • MCT oil (100%)

Dairy is another source of MCTs, but the concentration is too low to make a noticeable impact. Include any of the above oils to your keto shopping list to support ketosis while on a vegetarian ketogenic diet.

Monounsaturated fats (MUFAs)

While the topic of saturated fats has always been controversial, researchers were never divided on MUFAs. It's generally regarded as healthy since many studies showed that it has a protective effect on heart health and metabolic functioning [11]. Oils highest in MUFAs include:

  • Olive oil (75%)
  • High-Oleic sunflower oil (85%)
  • Canola oil (60%)
  • Safflower oil (77%)

Other great sources of MUFAs are avocados, pumpkin seeds, most nuts, basil pesto, and dark chocolate.

Make these fats a part of every meal to boost your fat intake. You can also use vegan margarine, coconut oil, and other substitutes for baking and cooking.

Preparing Vegetarian Keto Meals

Now that you know what ingredients you need pay attention to on your vegetarian ketogenic diet, you're probably wondering how to put this into practice. Making vegetarian keto meals can seem trick at first. But with a bit of researching and practice, you'll build a collection of vegetarian recipes to make your diet both nutritious and exciting.

Let's start by listing some staple ingredients you need to add to your fridge and pantry today:

Dairy & Eggs

  • Sour cream
  • Cream cheese
  • Melty cheese like gouda, cheddar, or parmesan
  • Cottage cheese
  • Full-fat probiotic yogurt (for gut health)
  • Free-range eggs

Fats and oil

  • Coconut oil
  • Olive oil
  • Butter
  • Margarine (trans-free)


  • Almond flour
  • Coconut flour
  • Chickpea flour

Low-carb vegetables

  • Avocados
  • Cauliflower
  • Zucchini
  • Broccoli
  • Leafy greens
  • Peppers
  • Tomatoes
  • Spring beans
  • Eggplants
  • Mushrooms
  • Seaweed
  • Sauerkraut (rich in probiotics)


  • Blueberries
  • Raspberries
  • Goji berries

Nuts & Seeds

  • Walnuts
  • Almonds
  • Hazelnuts
  • Pumpkin seeds
  • Sesame seeds
  • Chia seeds
  • Flax seeds

Nut Butters & Pastes

  • Peanut butter (sugar-free)
  • Almond butter
  • Tahini (sesame paste)

Plant milks

  • Almond milk
  • Coconut milk

Meat substitutes

  • Tofu
  • Seitan
  • TVP

Condiments and spices

  • Mayonnaise
  • Mustard
  • Hot Sauce
  • Soy sauce (light)
  • Apple cider vinegar (ACV)
  • Basil Pesto
  • Ranch dressing
  • All herbs and spices

The above list of ingredients, of course, isn't complete. But it's a good starting point for a vegetarian ketogenic diet. Consider visiting our keto recipes section to get inspirational ideas for your next plant-based meal.

Otherwise, take a look at the tips below for making vegetarian ketogenic diet recipes:

Tip 1

Make all three macros part of your meals, considering the recommended ratios for the ketogenic diet (5% carbs, 25% protein, 70% fat). This way, you'll know you're getting every necessary nutrient while also ensuring you'll get into and stay in ketosis.

Tip 2

Snack on nuts, seeds, and low-carb sweets. On a vegetarian diet, nuts and seeds are a perfect source of important macros as well as fiber. Just make sure to keep an eye on your carb intake when enjoying these low-carb, high-fat snacks. Using apps like MyFitnessPal definitely helps with this.

Tip 3

Get creative with substitutes. There's no reason you shouldn't enjoy your favorite meals just because you're on a low-carb diet. Zucchini noodles (zoodles), cauliflower rice, almond flour muffins, avocado spreads and stevia-sweetened desserts are some great low-carb twists to your favorite meals.

Tip 4

Don't shy away from a handful of processed foods if they help you meet your macros. Normally, you'll hear that excluding processed food is the way to go on keto. And while that is a wise thing to do, it can cause trouble when you adopt a more restricted version of the ketogenic diet. Adding TVP, trans-free margarine, and canned goods can be a convenient way to get all the nutrients you need on your vegetarian ketogenic diet as long as it's low-carb and rich in healthy fats.

Tip 5

Opt for low-carb and high-fat vegetables whenever possible. There's a range of low-carb fruit you can enjoy on your vegetarian ketogenic diet. You can also find a few high-fat examples with avocado being the most notable. Make sure to track your carb intake when making meals with these as it's easy to go overboard with carbs on a vegetarian ketogenic diet.

Tip 6

Supplement when necessary. Keto supplements include MCT oil, exogenous ketones, and collagen peptides, among many others. These help you meet your macros, reach ketosis, and feel good on a keto diet. Add a supplement of your own liking to make your vegetarian ketogenic diet easier.


The ketogenic diet usually not considered a plant-based diet. Its focus is more on specific macronutrients than on food groups. That's why you'll see meat and dairy on the top of keto foods lists. But making this diet vegan or vegetarian friendly is possible, albeit a bit challenging.

Opting for high-fat plant foods like avocados, coconuts, and nut butters is one way to meet your keto macros on a vegetarian ketogenic diet. Making sure you're eating high-quality protein is also important. But one of the biggest concerns on a vegetarian ketogenic diet is omega-3 fatty acids intake. These essential nutrients are difficult to obtain on plant-based diets, so make sure to eat foods rich in this fatty acid or go for supplements.

Other than that, a vegetarian ketogenic diet can be just as nutritious and healthy as any other version of this revolutionary dieting approach. With a bit of practice and researching, any diet can also become a keto diet.


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