MCT oil: Benefits, side effects, dosage, uses, precautions

Have you ever wondered about MCT oil and its place in the health and wellness scene? What is this oil, and why is it gaining so much attention?

MCT oil, a specialized supplement derived mainly from coconut oil, is unique due to its medium-chain triglycerides. These are fats that your body processes differently, often leading to various health benefits.

Keep reading as we delve into the world of MCT oil, examining its advantages, potential side effects, and the best ways to use it. Whether you’re a health enthusiast or just curious, this guide will illuminate what MCT oil offers.

What is MCT oil?

MCT oil, short for medium-chain triglyceride oil [1], is a distinctive supplement due to its particular type of fat. 

Unlike the common long-chain triglycerides (LCTs) found in most dietary fats, MCTs have a shorter chain length, making them easier to digest and metabolize. 

This unique composition allows for rapid conversion into energy, a feature highly appreciated in various dietary regimes, especially among those who follow a ketogenic lifestyle.

Source and extraction process

The primary source of MCT oil is coconut oil, which contains a high concentration of MCTs, making it an ideal base. 

However, it’s also found in smaller quantities in palm kernel oil and some dairy products. 

Extracting MCT oil involves fractionation, where the MCTs are isolated and concentrated from these sources [2]. 

This method ensures that the beneficial medium-chain triglycerides are separated from the rest of the fatty acids, resulting in a pure and potent MCT oil.

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Different types of MCTs

MCT oil is not a one-size-fits-all; it comprises various types of medium-chain fatty acids, each with unique properties [3]:

  • Caproic acid (C6): The shortest form of MCT, but less commonly found in MCT oil due to its pungent taste and smell.
  • Caprylic acid (C8): Highly valued for its ability to convert into ketones quickly, providing rapid energy to the brain and body.
  • Capric acid (C10): Another efficient ketone producer, slightly slower in absorption than C8 but still faster than longer-chain fats.
  • Lauric acid (C12): The longest chain found in MCT oil, lauric acid is known for its antimicrobial properties, though it behaves more like a long-chain triglyceride in the body.

Each type of MCT has its unique pathway and speed of metabolism, contributing to the overall appeal of MCT oil in dietary and health practices. 

Its ability to provide a quick source of energy, alongside other potential health benefits, makes MCT oil a fascinating and valuable addition to a health-conscious individual’s diet.

What are the benefits of MCT oil?

Exploring the benefits of MCT oil reveals why it’s become a go-to supplement for many health enthusiasts.

Its versatility in dietary use and potential health advantages make it a valuable addition to a health-conscious lifestyle. 

Here’s a closer look at how incorporating MCT oil into your diet could be beneficial:

1. Energy boost and metabolism enhancement

MCT oil is renowned for its ability to provide a quick source of energy. Unlike other fats that undergo a longer digestive process, MCTs are rapidly absorbed and transported to the liver, where they’re converted into ketones [4]. 

This makes them an immediate energy source, especially beneficial for people following a low-carb or ketogenic diet. Moreover, MCT oil has been shown to increase metabolic rate, potentially aiding in weight management.

2. Weight management and appetite control

Several studies suggest that MCT oil can play a role in weight loss and management [5]. It may help increase feelings of fullness and enhance calorie burning. 

By promoting a sense of satiety and reducing the urge to overeat, MCT oil can be a helpful tool in a weight management strategy.

weight management and appetite control

3. Cognitive function and brain health

Ketones produced from MCTs provide an alternative energy source for the brain, which can be particularly beneficial in conditions where brain cells have difficulty utilizing glucose, such as Alzheimer’s disease. 

Some research indicates that MCT oil might support cognitive function, memory, and focus [6].

4. Digestive and gut health

MCT oil can aid in balancing gut bacteria and has been found to have a positive effect on digestive health. 

It’s easier to digest compared to long-chain triglycerides and can be beneficial for those with malabsorption issues or certain digestive disorders.

5. Support in sports and exercise

For athletes and those engaged in regular physical activity, MCT oil offers benefits like enhanced endurance and reduced lactate buildup during exercise [7]. 

This makes it a popular supplement among sports enthusiasts for both endurance and strength-based activities.

6. Versatility in usage

The neutral taste and high smoke point of MCT oil make it versatile for cooking and baking. 

It’s also easily added to smoothies, coffee, and other beverages, enhancing their nutritional value without altering the flavor.

What are the side effects and risks of taking MCT oil?

MCT oil is generally safe for most people but you should be aware of its potential side effects especially when consumed in large quantities or introduced rapidly into your diet. 

Common side effects

The most frequently reported side effects of MCT oil are related to the digestive system. These can include:

1. Digestive discomfort

Some individuals may experience gastrointestinal issues such as diarrhea, gas, bloating, and cramps, particularly when they first start using MCT oil or if consumed in high amounts [8].

2. Nausea and vomiting

MCT oil, especially when taken on an empty stomach, can cause nausea or vomiting in some people.

3. Fatigue and irritability

In rare cases, initial use of MCT oil can lead to feelings of fatigue or irritability, likely due to the body adjusting to metabolizing MCTs as a primary energy source.

Risks for certain groups

Certain individuals should exercise caution or avoid MCT oil due to specific health conditions:

1. People with liver disease

Since MCTs are processed in the liver, individuals with liver disease or disorders should be cautious [9]. Excessive intake of MCT oil could potentially strain the liver.

2. Those with a history of dyslipidemia

As MCT oil influences fat metabolism, it could affect lipid profiles. Individuals with dyslipidemia or high cholesterol should consult with a healthcare professional before incorporating MCT oil into their diet.

3. Individuals with a tree nut allergy

Although rare, some MCT oils, particularly those derived from coconut, could trigger allergies in individuals sensitive to tree nuts [10].

How to avoid these MCT oil side effects?

The key to avoiding side effects is to start with a small dosage and gradually increase it:

  • Begin with one teaspoon per day and gradually increase to one to two tablespoons daily, allowing your body to adjust.
  • Consuming MCT oil with food can help mitigate some digestive side effects.
  • Choose MCT oil products that are pure and do not contain additives or fillers.
  • Consider the source of the MCT oil, opting for reputable brands that provide clear information about their extraction and processing methods.
  • While MCT oil can be beneficial, it should not be the sole source of fat in your diet. A balanced approach, incorporating various types of healthy fats, is crucial for overall health.

How much MCT oil should you take per day?

Navigating the right dosage and usage of MCT oil can significantly impact its effectiveness, especially for specific goals like weight loss or energy enhancement. Here’s a guide to help you understand the recommended dosages:

For energy boost

  • Begin with 1 teaspoon per day. This amount is sufficient to start experiencing an increase in energy levels without overwhelming your digestive system.
  • Slowly increase to 1-2 tablespoons per day over several weeks, as your body adjusts.

For weight loss

  • Start with a small dose of 1 teaspoon per day to help your body adapt.
  • Gradually work up to 1-2 tablespoons per day. This dosage can aid in appetite suppression and increase metabolic rate, contributing to weight loss efforts.

Remember, individual responses to MCT oil can vary. It’s crucial to listen to your body and adjust the dosage accordingly. 

Consult a healthcare provider before starting MCT oil, especially if you have underlying health conditions. This tailored approach ensures you reap the benefits of MCT oil in line with your health goals and personal tolerance.

How to incorporate MCT oil into your diet

Incorporating MCT oil into your diet can be both simple and enjoyable, with various ways to integrate it into everyday meals and drinks. Here are some practical tips to get you started:

1. Add MCT oil to your morning coffee or tea. Known as ‘Bulletproof Coffee,’ this combination can provide a sustained energy boost and mental clarity to kickstart your day.

2. Elevate your smoothies by blending in a tablespoon of MCT oil. It’s an effortless way to incorporate healthy fats into your diet without altering the taste of your favorite smoothie.

3. Create your own salad dressings by mixing MCT oil with vinegar, herbs, and spices. This not only adds a nutritional punch to your salads but also brings a smooth texture to your dressings.

4. Use MCT oil in low-temperature cooking or as a finishing oil on cooked dishes. Its mild flavor doesn’t overpower the taste of your meals.

5. Drizzle MCT oil over snacks like yogurt or oatmeal for an added energy boost.

6. Consume a small amount of MCT oil before your workout for an extra energy source during exercise.

Remember, the key is to start small and gradually increase the amount, allowing your body to adjust. With its versatility and numerous health benefits, MCT oil can easily become a valuable addition to your daily dietary routine.

What is MCT oil used for?

MCT oil, a versatile and beneficial supplement, can be seamlessly integrated into various aspects of daily life, from cooking to sports nutrition.

For athletes, it provides an efficient energy source and aids in recovery. Whether you’re a culinary enthusiast, someone following a specialized diet, or an athlete looking for a nutritional edge, MCT oil offers a range of uses to enhance your daily life.

Cooking and baking

MCT oil is a unique ingredient for cooking and baking due to its neutral flavor and high smoke point. Here’s how to use it effectively:

  • Replacement for other oils: MCT oil can substitute traditional oils in recipes, especially in low-heat cooking or baking. Its mild taste ensures it doesn’t overpower the flavors of your dish.
  • Salad dressings: An excellent base for homemade salad dressings, MCT oil mixes well with vinegar and herbs, adding a nutritious boost to your salads.
  • No-heat recipes: Best used in no-heat recipes like smoothies, cold soups, or yogurt, as high temperatures can degrade its beneficial properties.
cooking and baking


MCT oil plays a significant role in specialized diets, particularly the ketogenic diet.

  • Ketogenic diet: As MCTs are converted into ketones, they are an ideal supplement for those on a ketogenic diet, helping maintain ketosis.
  • Weight management: Its ability to promote satiety and increase energy expenditure makes MCT oil a popular supplement in weight management diets.
  • Nutrient absorption: MCT oil can aid in the absorption of fat-soluble vitamins and nutrients, making it beneficial for those on restrictive diets.

Sports nutrition

Athletes and individuals with active lifestyles can greatly benefit from incorporating MCT oil into their diets.

  • Energy source: MCT oil provides a quick source of energy, ideal for pre-workout consumption to boost endurance and performance.
  • Muscle recovery: Post-exercise, MCT oil can aid in muscle recovery and reduce lactate buildup, helping athletes train more effectively.
  • Weight management: For athletes focusing on weight management, MCT oil can assist in appetite control and fat burning, while maintaining energy levels.
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Who should avoid MCT oil?

While MCT oil is safe for most people and offers numerous health benefits, there are certain individuals who should exercise caution or avoid it altogether:

People with liver issues: Because MCTs are processed in the liver, individuals with liver disorders or a history of liver disease should be cautious. Excessive consumption of MCT oil could potentially burden an already compromised liver.

Those with fat malabsorption disorders: Individuals who have difficulty absorbing fats due to conditions like Crohn’s disease, celiac disease, or pancreatitis may experience adverse effects from MCT oil, as it is a concentrated source of fat.

People with a tree nut allergy: While MCT oil is typically derived from coconut or palm kernel oil and does not contain allergenic proteins, those with a severe allergy to tree nuts should consult with a healthcare professional before using MCT oil to ensure safety.

Individuals with dyslipidemia: As MCT oil can influence fat metabolism, those with dyslipidemia or abnormal cholesterol levels should use it cautiously and under medical supervision, especially if they are taking medications for their condition.

Pregnant or breastfeeding women: There is limited research on the effects of MCT oil during pregnancy or breastfeeding. It’s advisable for pregnant or nursing mothers to consult with their healthcare provider before adding MCT oil to their diet.

Can you take MCT oil with other medications?

MCT oil’s interaction with certain medications and medical conditions is an important consideration if you are looking to include it in your diet. It’s best to consult a healthcare provider before adding MCT oil to your regimen. 

This precaution helps identify any potential interactions and ensure a tailored approach to its use, aligning with your overall health plan.

Diabetes medications

Individuals on diabetes medications should monitor their blood sugar levels closely when incorporating MCT oil into their diet. MCTs can influence insulin sensitivity and glucose metabolism, potentially requiring adjustments in medication dosages.

Cholesterol-lowering drugs

As MCT oil can impact lipid profiles, those taking statins or other cholesterol-lowering medications need to be cautious. Regular monitoring of cholesterol levels is advised to avoid any adverse interactions.

Blood thinners

MCT oil does not directly affect blood clotting, but its impact on fat metabolism could indirectly influence the effectiveness of blood-thinning medications. Consultation with a healthcare provider is recommended for those on such medication.

Liver medications

Since MCTs are processed in the liver, individuals on liver medications should use MCT oil under medical supervision. It’s crucial to ensure that MCT oil does not interfere with the effectiveness of these medications or overburden the liver.

Gastrointestinal disorders

For conditions like IBS or gallbladder issues, MCT oil might exacerbate symptoms due to its rapid digestion and absorption. It’s advisable to start with a lower dose and closely monitor any changes in symptoms.

What foods contain MCT oils?

MCT oils are primarily found in coconut oil, constituting about 55% of its fat content. Other notable sources include:

  • Palm kernel oil 
  • Dairy products from grass-fed cows (butter, cheese)
  • Yogurt
  • Milk
  • Ghee

While these foods contain MCTs naturally, the concentration is much lower compared to pure MCT oil supplements. 

Incorporating these foods into your diet can provide MCTs alongside other beneficial nutrients, offering a more holistic approach to consuming these unique and beneficial medium-chain triglycerides.

How does MCT oil compare with other oils?

Comparing MCT oil with other popular oils like coconut oil, olive oil, and fish oil helps to understand its unique properties and benefits:

MCT oil vs. coconut oil


While MCT oil is derived from coconut oil, it is more concentrated in medium-chain triglycerides. Coconut oil contains about 55% MCTs [11], along with other long-chain triglycerides, whereas MCT oil is composed almost entirely of MCTs.

Digestion and energy

MCT oil is absorbed more quickly and efficiently by the body, providing a rapid source of energy, compared to coconut oil which contains LCTs that require longer digestion.

Health benefits

Both oils have health benefits, but MCT oil is often preferred for its potent source of caprylic and capric acids, known for their specific therapeutic effects, including enhanced ketone production and antimicrobial properties.

MCT oil vs. olive oil

Fat composition

Olive oil is primarily composed of monounsaturated fats (oleic acid), which differ from the saturated fats (MCTs) found in MCT oil.

Health benefits

Olive oil is renowned for its heart health benefits, largely due to its antioxidant content and ability to improve cholesterol levels. MCT oil, on the other hand, is celebrated for its metabolism-boosting properties and rapid energy supply.

Cooking use

Olive oil is a staple in cooking, especially suitable for dressings and medium-heat cooking, whereas MCT oil is often used as a dietary supplement or in low-heat cooking.

MCT oil vs. fish oil

Type of fats

Fish oil is rich in omega-3 fatty acids, specifically EPA and DHA, which are long-chain polyunsaturated fats. These contrast with the saturated medium-chain triglycerides in MCT oil.

Health benefits

Fish oil is best known for its benefits in heart health, brain function, and inflammation reduction. MCT oil’s benefits are more aligned with energy metabolism and weight management.


Fish oil is commonly used as a supplement to support overall health, particularly for heart and brain, while MCT oil is frequently utilized by those looking for quick energy sources and supporting a ketogenic diet.

Closing thoughts

Understanding MCT oil, its benefits, potential side effects, and how it compares with other oils equips you with valuable knowledge for making informed decisions about your health. 

Whether you’re seeking a quick energy boost, weight management support, or cognitive health benefits, MCT oil offers a unique set of properties that might be just what you’re looking for. 

As with any supplement, it’s important to consider your individual health needs and consult with a healthcare professional. 

Integrating MCT oil into your diet could be a simple yet effective step towards enhancing your overall wellness.


Is MCT oil and coconut oil the same?

No, MCT oil and coconut oil are not the same. MCT oil is a concentrated source of medium-chain triglycerides extracted from coconut oil, which contains both MCTs and long-chain triglycerides in a less concentrated form.

What type of MCT oil is best?

The best type of MCT oil typically contains a higher concentration of caprylic acid (C8) and capric acid (C10), as these are more rapidly absorbed and converted into energy. Pure, high-quality, and sustainably sourced MCT oil is also preferable.

Is MCT oil bad for cholesterol?

MCT oil is generally not bad for cholesterol; it can actually help improve cholesterol levels by increasing the concentration of good HDL cholesterol and potentially reducing bad LDL cholesterol when used as part of a balanced diet.

Is MCT oil healthy or unhealthy?

MCT oil is generally considered healthy when used in moderation, as it provides quick energy, supports metabolism, and can aid in weight management and cognitive function. However, it should be integrated into a balanced diet and used responsibly.

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Photograph: Olga_Kochina/Envato
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