Top 5 MCT Oils for Keto: A Quick Review Guide

Ever feel like your energy dips halfway through the day, even on a strict keto diet? You hit your macros, but that brain fog just won’t lift. Many people turn to the ketogenic diet for sustained energy and mental clarity, but finding the right fuel source can be tricky. That’s where Medium-Chain Triglycerides, or MCT oil, steps in as a keto superstar.

Choosing the best MCT oil for your needs, however, can feel like navigating a maze. Do you need C8? What about C10? And how much should you actually take without upsetting your stomach? These common questions stop many keto dieters from unlocking MCT’s full potential.

This guide cuts through the confusion. We will break down exactly what makes an MCT oil effective for ketosis. You will learn which types to look for, how to spot low-quality fillers, and the best ways to incorporate it into your daily routine for smooth, clean energy. Get ready to stop guessing and start optimizing your keto journey right now.

Top Mct Oil For Keto Recommendations

No. 1
Nature's Way Organic MCT Oil, 16 Fl Oz, Brain and Body Fuel from Coconuts*, C8 Caprylic Acid and C10 Capric Acid, Keto and Paleo Certified, Organic, Non-GMO Project Verified
  • Nature's Way MCT Oil Organic provides medium chain triglycerides (MCTs) from coconut. 100% Potency and contains 14 grams of MCTs per serving, including caprylic (C8) & capric (C10) acids. See Supplement Facts for Total Fat and Saturated Fat Content
  • At Nature’s Way, we believe nature is the ultimate problem solver. For over 50 years, we have looked to the natural world for inspiration. Our quality vitamins and supplements, like mct oil C8 C10, support your way to wellness
  • Coconut MCT oil helps you feel full and is quickly absorbed and converted into energy for your brain and body*
  • Adults take 1 tablespoon (15mL) of organic MCT oil from coconuts one to three times daily as needed; can be added to your favorite beverage or food
  • MCT coconut oil from premium coconuts with no palm or filler oils. Hexane-free. Paleo, Keto, and Vegan-Certified
No. 2
Nature's Way Organic MCT Oil, 30 Fl Oz, Brain and Body Fuel from Coconuts*, C8 Caprylic Acid and C10 Capric Acid, Keto and Paleo Certified, Organic, Non-GMO Project Verified
  • Nature's Way MCT Oil Organic provides medium chain triglycerides (MCTs) from coconut. 100% Potency and contains 14 grams of MCTs per serving, including caprylic (C8) & capric (C10) acids. See Supplement Facts for Total Fat and Saturated Fat Content
  • At Nature’s Way, we believe nature is the ultimate problem solver. For over 50 years, we have looked to the natural world for inspiration. Our quality vitamins and supplements, like mct oil C8 C10, support your way to wellness
  • Coconut MCT oil helps you feel full and is quickly absorbed and converted into energy for your brain and body*
  • Adults take 1 tablespoon (15mL) of organic MCT oil from coconuts one to three times daily as needed; can be added to your favorite beverage or food
  • MCT coconut oil from premium coconuts with no palm or filler oils. Hexane-free. Paleo, Keto, and Vegan-Certified
No. 3
Sports Research Organic MCT Oil - Keto & Vegan MCTs C8, C10, C12 from Coconuts - Fatty Acid Brain & Body Fuel, Non-GMO & Gluten Free - Flavorless Oil, Perfect in Coffee, Tea & Protein Shakes - 32 oz
  • BRAIN & BODY FUEL: Sports Research MCT Oil is packed with c8, c10 & c12 fatty acids that may help keep the body in a state of ketosis (when your body uses fat as its main fuel source) while providing valuable brain-boosting energy support*
  • NEVER PALM OIL: Our organic MCT (medium chain triglycerides) oil is only made from sustainably-sourced 100% organic coconut oil. This means, unlike other MCT oils, we don’t use refined palm oil or contribute to the degradation of palm forests
  • KETO, ORGANIC, & VEGAN: Sports Research supplements are formulated with quality in mind. Our organic MCT oil is steam distilled without chemicals, certified USDA Organic, as well as Informed Choice quality tested, Non-GMO Project verified, gluten-free and dairy-free
  • FLAVORLESS OIL: Our MCT Oil is unflavored, so you can make your morning complete by mixing it into your favorite coffee, tea, protein shake, or keto smoothie. It can also act as an alternative to traditional oils or fats when cooking your favorite food'
  • THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out
No. 4
Bulletproof Coconut Brain Octane C8 MCT Oil, 16 Ounces, Premium Keto Supplement for Sustained Energy, Brain and Body Fuel, Unflavored, Add to Coffee and Smoothies, Packaging May Vary
  • Premium & Highly Ketogenic: Contains one 16-ounce bottle of premium Bulletproof Brain Octane C8 MCT Oil, the purest form of MCT Oil available for the highest quality and longest-lasting energy boost, Packaging May Vary
  • Triple-Steam Distillation: Our caprylic acid (C8) MCT oil is composed of 100% medium-chain triglycerides harvested from the most ketogenic part of the coconut.
  • Quick & Long-Lasting Energy: C8 MCT oil turns into ketones within minutes. Ketones quickly cross the blood-brain barrier and can be used as a fuel source for brain cells, giving you steady energy
  • Supports Metabolism: C8 MCT oil jumpstarts your metabolism-boosting journey and cognitive function. C8 produces 4x the ketone energy of plain coconut oil
  • Purity Matters: At Bulletproof, we only use science-backed ingredients to deliver maximum benefit. For sustained energy, blend Brain Octane C8 MCT Oil into Bulletproof Coffee, or add it to soups, smoothies, and more. Start small to help your stomach adjust. Use 1 tsp, then build to the full 1 tbsp serving
No. 5
Keppi MCT Oil - from 100% Coconuts - Flavorless C8 and C10, Non-GMO, Certified Gluten-Free, Palm Oil Free, Vegan, Kosher, Halal, 32 oz Coconut Oil
  • Pure Coconut-Sourced MCT Oil – Made exclusively from 100% non-GMO coconuts, Keppi MCT Oil contains only Caprylic Acid (C8) and Capric Acid (C10) – no fillers or palm oil. A clean option for those following a keto, vegan, or Paleo lifestyle.
  • C8 + C10 – Efficiently Converted by the Body -These two medium-chain triglycerides are quickly converted into energy, making this oil a convenient addition to your daily routine. Suitable for those looking to maintain a balanced routine or mindful nutrition.
  • Flavorless & Odorless Versatility – Mix into coffee, smoothies, protein shakes, or salad dressings. The neutral profile makes it easy to integrate into meals without altering taste or smell.
  • Supports Your Daily Routine – Whether you're following a low-carb plan, staying active, or looking for clean fats, Keppi MCT Oil helps support your nutrition goals with a straightforward, easy-to-use supplement.
  • Clean, Conscious, Certified – Keppi MCT Oil is Certified Keto, Paleo, Vegan, Gluten-Free, Kosher, and Halal. It's also palm-free and made without artificial flavors, colors, preservatives, or fillers. Just clean, premium MCTs from coconuts.
No. 6
KETO SCIENCE Ketogenic MCT Oil, Dietary Supplement, Made from 100% Coconuts, Promotes Energy, Unflavored, 15 Fl Oz
  • Pure Mct Oil: 100% coconut oil naturally distilled for MCTs to ensure purity and potency.
  • For A Ketogenic Lifestyle: Just one tablespoon daily can help boost energy and brain support.
  • Supports Ketosis: Keto Science MCT Oil promotes healthy ketosis.
  • Natural Energy Boost: Full of MCTs that provide a natural energy boost and replace the body's craving while supporting body’s natural process.
  • Great With Coffee & Shakes: Colorless and unflavored MCT Oil gives coffee, tea and shakes a nutritious, non-carb boost without altering taste or color
No. 7
Sports Research Organic MCT Oil - Keto & Vegan MCTs C8, C10 from Coconuts - Fatty Acid Brain & Body Fuel, Non-GMO & Gluten Free - Flavorless Oil, Perfect in Coffee, Tea & Protein Shakes - 32 oz
  • BRAIN & BODY FUEL: Sports Research MCT Oil is packed with c8 & c10 fatty acids that may help keep the body in a state of ketosis (when your body uses fat as its main fuel source) while providing valuable brain-boosting energy support*
  • NEVER PALM OIL: Our organic MCT (medium chain triglycerides) oil is only made from sustainably-sourced 100% organic coconut oil. This means, unlike other MCT oils, we don’t use refined palm oil or contribute to the degradation of palm forests
  • KETO, ORGANIC, & VEGAN: Sports Research supplements are formulated with quality in mind. Our organic MCT oil is steam distilled without chemicals, certified USDA Organic, as well as Informed Choice quality tested, Non-GMO Project verified, gluten-free and dairy-free
  • FLAVORLESS OIL: Our MCT Oil is hydrolyzed, so you can make your morning complete by mixing it into your favorite coffee, tea, protein shake, or keto smoothie. It can also act as an alternative to traditional oils or fats when cooking your favorite food
  • THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life through research-backed products created for every body—inside and out
No. 8
Bulletproof MCT Oil Made with C10 and C8 Oil, 16 Ounces, Keto Supplement for Sustained Energy, Brain and Body Fuel, Add to Coffee and Smoothies, Packaging May Vary
  • Promotes Brain & Body Energy: Contains one 16-ounce bottle of Bulletproof MCT Oil (medium chain triglycerides), a premium oil sourced from pure coconut oil for brain and body fuel. Packaging May Vary
  • Highly Ketogenic: Made with C8 and C10 MCT fatty acids, MCT Oil helps power your day by supporting metabolism and supporting brain function. Free from additives and fillers.
  • Triple-Steam Distillation: Made from 100% coconut oil, MCT Oil rapidly converts into ketones to give you long-lasting energy. Start with just a teaspoon to give your body time to adjust.
  • Flavorless & Convenient: Fuel up with MCT Oil morning, noon or night. Add this flavorless, scentless and versatile quality fat to your favorite drinks and recipes. Formulated for easy digestion.
  • Purity Matters: At Bulletproof, we only use science-backed ingredients to deliver maximum benefit. For long-lasting energy, blend MCT Oil into Bulletproof Coffee or add it to soups, smoothies and more.

Your Essential Guide to Buying MCT Oil for Keto

Starting or sticking to a ketogenic diet often means looking for ways to boost your energy and stay in ketosis. Medium-Chain Triglycerides (MCT) oil is a popular choice. This guide helps you pick the best MCT oil for your needs.

Key Features to Look For

When shopping, check the label carefully. Not all MCT oils are the same. Here are the most important things to find:

  • Source Material: Look for MCT oil derived from coconuts. Coconut is the best natural source.
  • MCT Ratio (C8 and C10): This is crucial. MCT oil contains different types of fatty acids (C6, C8, C10, C12). C8 (Caprylic Acid) and C10 (Capric Acid) convert to ketones fastest. Aim for an oil that is high in C8 and C10. A good ratio often exceeds 90% combined.
  • Purity and Processing: The oil should be highly refined. This removes unwanted fats and flavor.
Important Materials and Composition

MCT oil is made from saturated fats. These fats break down differently in your body. They go straight to the liver to create ketones.

  • Coconut vs. Palm Kernel Oil: Most high-quality MCT oils come from coconuts. Some cheaper versions use palm kernel oil. Coconut is generally preferred by keto dieters for its clean profile.
  • No Fillers: Make sure the ingredients list only shows MCT oil. Avoid oils with added flavors, colors, or cheap filler oils like soybean oil.
Factors That Improve or Reduce Quality

The way the oil is made directly affects how well it works for you.

Quality Boosters:
  • Fractionation: High-quality oils use a process called fractionation. This process isolates the beneficial C8 and C10 chains. This creates a purer product.
  • Odorless and Tasteless: The best MCT oil has almost no taste or smell. This makes it easy to mix into coffee or shakes.
Quality Reducers:
  • High C12 (Lauric Acid): If the oil contains too much C12, it acts more like a long-chain fat. It digests slower and does not produce ketones as quickly. This lowers the oil’s effectiveness for immediate energy.
  • Improper Storage: While less common when buying, remember that MCT oil should be stored in a cool, dark place. Sunlight and heat can degrade the quality over time.
User Experience and Use Cases

How you use MCT oil impacts your satisfaction. Think about how you plan to use it daily.

  • Mixing Capability: If you love “bulletproof coffee” (coffee blended with butter and MCT oil), you need a neutral-tasting oil. A bad-tasting oil ruins your morning drink.
  • Digestive Tolerance: Start small! Even the best MCT oil can cause stomach upset if you use too much too soon. Begin with one teaspoon per day. Gradually increase your serving size.
  • Energy Levels: Users often report sustained energy without the jitters associated with too much caffeine. This is a primary reason people choose it for workouts or long work sessions.

10 Frequently Asked Questions (FAQ) About Keto MCT Oil

Q: What is MCT oil?

A: MCT stands for Medium-Chain Triglycerides. These are special fats that your body quickly turns into energy, or ketones, which is helpful for the keto diet.

Q: Where does the best MCT oil come from?

A: The best MCT oil usually comes from coconuts. Some oil comes from palm kernel oil, but coconut is generally preferred by keto followers.

Q: What is the ideal MCT ratio I should look for?

A: You want a high ratio of C8 (Caprylic Acid) and C10 (Capric Acid). Aim for a product where these two make up 90% or more of the total oil.

Q: Does MCT oil have a taste?

A: High-quality MCT oil should be odorless and tasteless. This lets you mix it into anything without changing the flavor.

Q: How much MCT oil should I take daily?

A: Start very slow, maybe one teaspoon. Most people work up to one or two tablespoons per day. Do not start with a large amount.

Q: Can I cook with MCT oil?

A: You can use it in low-heat cooking, like sautéing. However, it is best used raw, such as mixing it into your coffee or salad dressing, because it has a low smoke point.

Q: Will MCT oil kick me out of ketosis?

A: No. MCT oil helps your body produce more ketones, which keeps you firmly in ketosis.

Q: Is there a difference between MCT oil and coconut oil?

A: Yes. Coconut oil contains about 50% MCTs, mostly C12. Pure MCT oil is concentrated to contain only the most beneficial C8 and C10 chains.

Q: Can MCT oil cause digestive issues?

A: Yes, if you take too much too fast. Digestive upset is a common side effect when first starting out. Always introduce it slowly.

Q: Should I refrigerate my MCT oil?

A: No, refrigeration is not necessary. Store your MCT oil in a cool, dark pantry away from direct sunlight.