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Keto Start Here

Whether you’re just starting keto or you want to understand it better, you probably have a ton of questions! This article will answer a few of the most frequently asked questions we get about a ketogenic diet.

keto faq

When you’re just beginning a keto lifestyle, there is a lot of information to take in. And the volume of info coming at you can be overwhelming! Here we explain a few basics about a ketogenic way of life, and tackle a few keto FAQs.

In This Article

  • Keto Diet for Beginners
  • Keto Diet Explained
  • What is a Ketogenic Diet?
  • Why Do I Need to Limit My Carbohydrates on a Ketogenic Diet?
  • Why Do I Have to Limit My Protein Intake on a Ketogentic Diet?
  • What Types of Fat Should I Eat on a Ketogenic Diet?
  • What Are Net Carbs?
  • How Many Carbs Should I Eat on Keto?
  • What Are Exogenous Ketones?
  • What Are Endogenous Ketones?
  • What Are MCTs?
  • What is Fasting or Intermittent Fasting?
  • More Helpful Keto Articles

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Keto Diet for Beginners

We have a full category dedicated to providing information on the Keto Diet for Beginners.


keto diet explained

Keto Diet Explained

If you’re ready for a more in-depth look at a ketogenic diet, check out our category on the Keto Diet Explained.


What is a Ketogenic Diet?

A ketogenic diet is one in which the body predominantly uses ketone bodies for fuel. This may look like 70 to 80% fat, 15 to 25% protein, and 5 to 10% of calories coming from carbohydrates.

Some people following a ketogenic diet try to stay under 20 grams total of carbohydrates per day. Others choose to stay under 20 grams of net carbs per day. And some (depending on how long they have been in ketosis and the amount of their energy expenditure) are able to stay in a ketogenic state taking in more carbohydrates. 

Also, some people take exogenous ketones which help put them back into a ketosis if they’ve kicked themselves out by consuming too many carbohydrates.


Why Do I Need to Limit My Carbohydrates on a Ketogenic Diet?

If you do not limit your carbohydrates, your body will use glucose instead of fat for its main source of fuel.

On a ketogenic diet, we restrict carbohydrates so our bodies must use fat as fuel. It does this in the liver by breaking down fats into ketone bodies, which are then used as fuel.


Why Do I Have to Limit My Protein Intake on a Ketogenic Diet?

If you consume too much protein on a ketogenic diet, your body may have an insulin response. This process inhibits the body’s ability to produce ketone bodies.

The amount to which you need to limit your protein varies person to person and depends on many factors just like carbohydrates.


What Types of Fat Should I Eat on a Ketogenic Diet?

Good sources of fat on a ketogenic diet include the following:

  • Coconut oil (because it’s high in medium chain triglycerides C8, C10, and C12)
  • Extra-virgin olive oil
  • Avocado oil
  • Grass-fed butter
  • Clarified butter
  • Ghee
  • Tallow
  • Olives
  • Walnuts
  • Coconut
  • Bacon
  • Bacon fat

Most of these are saturated, and they are less likely to be oxidized when cooked. Extra-virgin olive oil should be used on salads or in areas where it will not be cooked, as it oxidizes more easily. Avocado oil has a higher smoke point, so it can be used with cooking.

Quality of fats is extremely important because when fats are oxidized (meaning when they are heated to a certain temperature and they produce oxygen-reactive species) they can form free radicals. Free radicals can oxidize LDL cholesterol, which in turn can damage our arteries’ lining and cause hardening of the arteries.


What Are Net Carbs?

Net carbs are total number of carbohydrates minus fiber minus sugar alcohols.


How Many Carbs Should I Eat on Keto?

Our article Macros for a Keto Diet: How to Calculate Them Without an Indirect Calorimetry Device will help you calculate your macros. After going through that article, you will know how many calories you need per day, broken down into grams of fat, protein, and carbs.


What Are Exogenous Ketones?

Exogenous ketones are ketones that are ingested, meaning they were made outside the body.


What Are Endogenous Ketones?

Endogenous ketones are foods that are high in medium chain triglycerides and when ingested, the body will produce ketone bodies in the liver.


What Are Medium Chain Triglycerides (MCTs)?

Medium chain triglycerides (like coconut oil, palm kernel oil, and dairy) contain 6 to 12 carbon atoms. The liver rapidly breaks MCTs down for energy or turns them into ketones, making them less likely for the body to store as fat.


What is Fasting or Intermittent Fasting?

Fasting means going without food certain for amount of time. Intermittent fasting is usually done for a 16 hour period with an 8 hour feeding window. In many cases, people decide to have their eating window from 12 p.m. to 8 p.m. with no eating from 8 p.m. to 12 p.m.

While fasting, some people consume some type of fat about 30 minutes after waking, such as coffee with heavy whipping cream, MCT oil, MCT oil powder, or clarified butter. Consuming these foods allows them to stay in a fasting state because they don’t produce an insulin response, meaning they are still using ketone bodies predominantly for fuel.

People may also choose to consume tea, coffee, and bone broth during a fasting state.


More Helpful Keto Articles

  • Keto Shopping List – Beginner Keto Grocery List Guide
  • What is Lazy Keto?
  • What are Adaptogens?
  • Is Stevia Safe on a Keto Diet?
  • What is the Keto Flu?
  • The Experts’ Guide to a Ketogenic Lifestyle

Keto Meal Plan Resources

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Keto Start Here

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How to Calculate Macros

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Keto Food Guide

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Keto Grocery List

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How to Make a Keto Meal Plan

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Hello! Whether you’re a keto newbie, already keto-adapted, or just keto-curious, you’re in the right place. Here at The Keto Queens, we share keto lifestyle tips, informative tidbits, and of course tasty low carb and keto recipes that your whole family will love. We want to inspire you, and show you that you can do this! Welcome to the family.

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The Keto Queens is monetized in part though affiliate links, and as an Amazon Associate we earn from qualifying purchases. This means that if you click on an affiliate link and/or purchase an item after clicking on an affiliate link, The Keto Queens may receive a percentage of the sales price. We only recommend products that we love and use. To learn more, please read our Privacy Policy.
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