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Low carbohydrate diets are popular again, and the ketogenic or "keto" diet is part of the low-carb trend. Oil made from medium-chain triglycerides, or MCT oil, is often used in the keto diet. On top of being useful for the ketogenic diet, MCT oil may have many potential health benefits. Some possible benefits include weight loss, decreased appetite, decreased body fat, and improved athletic performance. In this product review, we'll explain what MCT oil is, cover more benefits of MCT oil, how to use it, and review MCT oil product options. Why Trust Us?The health and safety of ACTIVE's readers are of the utmost importance to us. To ensure your well-being when consuming dietary supplements, the ACTIVE.com editorial team prioritizes products independently tested by a third party. We've also consulted with a team of nutritionists and dieticians to ensure the products we feature are of the highest standard. This helps us create the most accurate, authentic review content for our readers. The Best MCT Oil - Our Top PicksBy clicking on the product links in this article, we may receive a commission fee at no cost to you, the reader. Sponsorships and affiliate commissions help support our research so we can help you find the best products. Read our full affiliate disclosure here.
Best Overall - Bulletproof Brain Octane C8 MCT OilSPECS
Bulletproof Brain Octane C8 MCT oil is gluten-free and non-GMO. It is made from 100 percent C8 fatty acids, or caprylic acid. The product website claims that this MCT oil will increase fat burning, cognitive performance, and energy while decreasing food cravings. This product seems to be marketed most heavily to people on the ketogenic diet but can be used by anyone. The company suggests working your way up to the full 1 tablespoon daily serving to make sure you tolerate it. What We Like
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BUY: Bulletproof Brain Octane C8 MCT Oil Best MCT Oil for Keto - Nature's Way MCT OilSPECS
Nature's Way MCT Oil is flavorless and odorless, so it can be easily mixed into the food or beverage of your choice. The label suggests taking 1 tablespoon 1-3 times daily, but it would be advisable to start with a smaller dose and monitor your GI tolerance. This product is certified vegan, organic, gluten-free, and non-GMO. In addition, it has been certified paleo and keto. What We Like
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BUY: Nature's Way MCT Oil Best MCT Oil for Weight Loss - Sports Research Organic MCT OilSPECS
Sports Research Organic MCT oil is USDA-certified organic, vegan, keto certified, non-GMO project verified, and certified paleo. Many users state in their reviews that they enjoy adding this MCT oil to their morning coffee since it is flavorless. The combination of C8 and C10 fatty acids in this oil may help with weight loss, though more research is needed to prove this benefit. What We Like
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BUY: Sports Research Organic MCT Oil Best MCT Oil Powder - Perfect Keto MCT Oil C8 PowderSPECS
Unlike many other MCT products, the Perfect Keto MCT Oil C8 Powder comes in powder form. The Perfect Keto MCT oil comes in unflavored but also in many creative flavors, such as matcha latte, cinnamon toast, salted caramel, and peanut butter. All of the MCT oil powders are gluten-free. The powder can be added to many foods and drink items, and the company's website provides recipes to try. What We Like
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BUY: Perfect Keto MCT Oil C8 Powder Best Organic MCT Oil - Natural Force Organic MCT OilSPECS
The Natural Force Organic MCT Oil is certified organic, certified paleo, vegan, gluten-free, and keto-certified. On top of being organic, the product comes in a sustainable 100 percent glass bottle with recycled packaging. This MCT oil is produced in a good manufacturing practice certified facility and is third-party tested for contaminants. This product is flavorless and odorless. What We Like
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BUY: Natural Force Organic MCT Oil Best MCT Oil Capsules - Pure MCT Oil CapsulesSPECS
These Pure MCT Oil capsules are gluten-free, non-GMO, and suitable for keto and paleo diets. They contain C8 and C10 fatty acids. The serving size is three capsules, but the company suggests starting with one and monitoring tolerance. The eventual goal is three capsules, five times per day, according to the label instructions. What We Like
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BUY: Pure MCT Oil Capsules Best Budget MCT Oil - NOW Sports Nutrition MCT OilSPECS
The NOW Sports Nutrition MCT oil is made by the well-known NOW Foods brand. Unlike many MCT oil products, this supplement comes in capsule form. It is dairy, corn, egg, soy, and gluten-free, and non-GMO. This supplement contains a mixture of C8 and C10 fatty acids. The MCT oil source is coconut and palm kernel oils. What We Like
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BUY: Now Sports Nutrition MCT Oil What Is MCT Oil?MCT oil is often used for low-carb diets such as the ketogenic or keto diet. The ketogenic diet was primarily used to treat children with epilepsy in the past but is now sometimes used for weight loss by adults. MCT oil has other clinical uses for illnesses that require special diets, such as liver disease or severe GI issues. As a result of the ketogenic diet increasing in popularity, more healthy people have been interested in adding MCT oil to their diets. MCT stands for "medium-chain triglycerides." A triglyceride is the main part of dietary fats. The "medium" indicates that MCTs have fatty acid chains that contain between six and 10 carbon atoms. Long-chain triglycerides (LCTs) have greater than 12 carbon atoms on the fatty acid chain. Long-chain triglycerides and medium-chain triglycerides are also digested differently. The different digestion of MCTs is partially why they are thought to have different benefits than LCTs. The source of MCT oil is usually coconut oil, dairy, or palm oil. All of these fat sources are high in saturated fat. Some health experts worry that MCT oil will have negative effects on health as a result of the high saturated fat content. How Do You Use MCT Oil?For many people, MCT oil is fairly easy to add to their daily diet. You can use unflavored MCT oil in place of other fats and oils, such as in:
MCT oil is also available in capsule or powder forms if you don't prefer to use an oil. Before taking any dietary supplement such as MCT oil, it would be best to check with your physician or a registered dietitian. MCT oil may have health benefits but may also be detrimental to people with some health conditions. What are the Benefits of MCT Oil?There are research studies that examine the benefits of supplementing with medium-chain triglycerides. However, the studies are small, and more research is needed to make sure MCT oil truly works. Also, research hasn't indicated an ideal dose of MCT oil needed to achieve potential benefits yet. Some of the potential benefits of supplementing with MCT oil are:
Despite its possible benefits, some people experience side effects when supplementing with MCT oil. Side effects of MCT oil may include gastrointestinal (GI) distress, nausea, vomiting, or diarrhea in the short term. Taking MCT oil with food can decrease the risk of GI side effects. Long term, supplementing with MCT oil may lead to fatty liver or high triglyceride levels, though more research is needed. FAQs About MCT OilWhat is the best form of MCT oil to take?While many MCT oils are made from coconut oil, coconut oil does not seem to have the same benefits as MCT oils. MCT oils are typically made from highly refined oils and contain C8 and C10 fatty acids. Most research is done on MCT oils that contain C8 and C10, so the best form to try contains a mixture of both. What type of MCT oil is best for weight loss?While some studies show that MCT oil may help with weight loss, more research is needed. MCT oils that contain a mixture of C8 and C10 fatty acids have been used in studies that show some benefits. An MCT oil that contains a mixture of C8 and C10 and no C12 fatty acids (Lauric acid) would be a good choice. Is it OK to take MCT oil every day?Yes, it is OK to take MCT oil every day for the short term. MCT oil sometimes has side effects such as nausea or diarrhea, but if you can tolerate MCT oil and like the way it makes you feel, it should be OK and safe to take daily for the short term. The long-term effects of supplementing with MCT oil are still being studied, so check with your physician or a registered dietitian if you plan to supplement with MCT oil consistently. What is the difference between avocado oil and MCT oil?Avocado oil is a type of oil made from avocados. It has a high smoke point which makes it good for high-temperature cooking like frying or broiling. Avocado oil is not a good source of medium-chain triglycerides or MCTs. MCT oil is typically made from coconut oil or palm kernel oil. MCT oil is better suited for lower temperature cooking and baking under 350 degrees Fahrenheit. How do I choose MCT oil?The key to the MCT oil is in the length of the fat molecule… the shorter the fat molecule chain the easier and quicker it is for your body to take up and utilize. This shorter chain rich oil will have a lot of the “C6” chains.
Which type of MCT oil is best for weight loss?Most MCT oils on the market contain a combination of the main MCT fractions like C8, C10, and C12. Each fraction offers unique benefits (which you can learn more about here), although C8 is the best MCT for weight loss, energy, and cognitive performance.
Is there a difference in MCT oils?You probably realize that “C8 MCT oil” is different from “regular MCT oil” (read: coconut oil). But how different? The short answer is that regular MCT oil contains all four medium-chain fatty acids (C6, C8, C10, C12) at varying concentrations [*], while C8 MCT oil is 100% pure caprylic acid (the C8 fatty acid).
Which is better C8 or C10?As it has a shorter chain length, C8 is easier for the body to break down, absorb and use as fuel. So, it is arguably a more efficient source of energy compared to C10. For that reason, if fast energy and enhanced athletic performance are on your radar - then you may choose C8 over C10.
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