8 Best MCT Oils You Will Love When You Are On A Keto Diet

by Charushila Biswas
ISSA Certified Specialist in Fitness & Nutrition
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If you are on a Ketogenic diet, you must be on the lookout for the best quality MCT oil. This healthy fat fuel is essential for ketosis and weight loss. It also energizes your body and lowers blood lipid levels (1), (2), (3). But, figuring out which brand of MCT oil to buy can be tricky. That’s why we have created a list of the 8 best MCT oils you can buy from the nearest store. Read on, choose one, and get in amazing shape in no time.

Before that, check out what MCT oil is and why its quality matters.

What Is MCT And Why Does Its Quality Matter?

MCT or medium-chain triglycerides are fatty acids found in coconut flesh, dry coconut, coconut oil, or palm kernel oil (1). Unlike long-chain and short-chain fatty acids, medium-chain fatty acids are not digested in the stomach. They head straight to the liver, where they are broken down into ketones. The ketone bodies then circulate in your bloodstream, which helps curb your carb cravings, boost metabolism, and provide energy.

The quality of the MCT oil you use is crucial. Medium-chain fatty acids are of three strains – C6 (Caproic acid), C8 (Caprylic acid), and C10 (Capric acid). C8 is considered to be the gold standard of MCT oil. C10 can also get the job done, but we recommend that you invest in a good quality C8 formula and get your body into ketosis faster. Let’s now take a look at the 8 best MCT oils you can buy.

Bulletproof Brain Octane OilCheck Price
Onnit MCT OilCheck Price
Perfect Keto MCT Oil PowderCheck Price
Viva Naturals MCT OilCheck Price
Sports Research MCT OilCheck Price
Left Coast Performance MCT OilCheck Price
Now Sports MCT OilCheck Price
Clean MCT OilCheck Price

8 Best MCT Oils To Buy For Ketosis When On Keto Diet

1. Bulletproof Brain Octane Oil

Bulletproof Brain Octane is the most trusted brand of MCT oil. Created by the authoritative and popular ketogenic diet blog, Bulletproof, Brain Octane has made its mark by establishing itself as an efficient fat loss booster among thousands of customers.

  • High-energy
  • Fast fat loss
  • High amount of C8
  • High satiety
  • Less carb craving
  • Improved brain function
  • Odorless and tasteless


2. Onnit MCT Oil

One of the best on the market, Onnit MCT Oil has the right blend of 100% pure coconut oil MCT oil and lauric acid. It is easy to digest and improves mental alertness. If you want to invest in a good MCT oil, go for Onnit.

  • 100% sourced from coconut
  • Flavorless and odorless
  • Great for athletes
  • Boosts energy levels
  • Contains no palm oil
  • Organic
  • Vegan
  • Non-GMO
  • Supports mental clarity
  • No fillers or additives
  • No artificial flavors


3. Perfect Keto MCT Oil Powder

If you are on the keto diet for a while, you must have heard about Perfect Keto MCT Oil. It contains probiotics that help stimulate the gut and improve your digestion. It’s a no-brainer that a healthier gut is directly correlated to better health and improved metabolism. The most convenient part is, it comes as a powder and not a liquid.

  • No additives and fake ingredients
  • Improved digestion
  • Boosts cellular function
  • Comes in four exciting flavors
  • Portable and convenient to use
  • Improves mental clarity
  • Boosts brain function
  • The taste might need time to get adjusted to.

4. Viva Naturals MCT Oil

If you are looking for an MCT oil that is sustainably sourced from coconut and coconut-based products, go for Viva Naturals MCT oil. The best part about this brand is that the product is USDA-certified and is a great choice for someone who is new to the ketogenic diet.

  • Organic
  • Sustainably sourced
  • No palm oil
  • Boosts energy and mental alertness
  • Curbs carb cravings
  • Odorless and tasteless
  • No fillers and additives
  • Not the best packaging material for a viscous liquid

Caution: Might cause bloating and upset stomach.

5. Sports Research MCT Oil

Sports Research MCT oil is a blend of C6, C8, and C10 medium-chain fatty acids. This oil gives a perfect kick-start to your day as it blends well with coffee and smoothies.

  • Vegan
  • Tasteless and odorless
  • Organic
  • Non-GMO
  • Efficient fat burner
  • Improves metabolism
  • Boosts brain function
  • Paleo-certified
  • Keto-certified
  • Squeezing out the right amount can be a little problematic.

6. Left Coast Performance MCT Oil

This MCT oil is easy to absorb and digest. This is the perfect product for you if you have digestion issues.

  • Maintains healthy cholesterol levels
  • Kick-starts metabolism
  • Easy on your stomach
  • 100% pure
  • Practices GMP
  • BPA-free
  • Gluten-free
  • Vegan
  • Paleo-friendly
  • Keto-friendly
  • Packaging is not leakproof.

7. Now Sports MCT Oil

Now Sports MCT oil is a highly potent 100% coconut sourced MCT oil. It is slightly highly priced, but this product is surely going to get you the results you want.

  • Vegan
  • Boosts metabolism
  • Improves body composition
  • Easy on digestion
  • Does not cause lean mass loss
  • Efficient fat burner
  • No additives


Caution: Highly potent. Might cause stomach cramps if used in large doses.

8. Clean MCT Oil

If you are an athlete or someone on a serious weight loss journey, you can benefit a lot from Clean MCT oil. It is loaded with C8, which helps increase your metabolic rate, pushes your body into ketosis, curbs hunger pangs, and improves brain function.

  • Fast ketosis
  • Improved metabolism
  • Improved focus
  • Controlled blood sugar spikes
  • Vegan
  • Non-GMO
  • Gluten-free
  • Pungent smell

Caution: Might cause an upset stomach and cramps.

There you have it – the list of top 8 MCT oils. Make sure you adhere to the dosage mentioned on the label and see a doctor immediately if you experience any discomfort. Get in shape, feel good, be active, and inspire others. Cheers!

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Charushila Biswas

Charushila Biswas is a Senior Content Writer and an ISSA Certified Specialist in Fitness & Nutrition. She is an alumni of VIT University, Vellore and has worked on transgenic wheat as a part of her Masters dissertation from NRCPB (IARI), New Delhi. After completing her Masters, she developed a passion for nutrition and fitness, which are closely related to human psychology. This prompted her to author a review article in 2015. She has written over 200 articles on Fitness and Nutrition. In her leisure time, Charushila loves to cook and enjoys mobile photography.