Coconut oil is extracted from the meat of mature coconuts and is composed mainly of saturated fats, particularly medium-chain triglycerides (MCTs). These fats are known for their potential health benefits, including improved metabolism and energy levels. Coconut oil is solid at room temperature due to its high saturated fat content, primarily lauric acid, which constitutes about 50% of its fatty acids.

Fractionated coconut oil is a refined version of coconut oil that remains liquid at room temperature. This oil is produced through a process called fractionation, which separates the long-chain fatty acids from the medium-chain fatty acids. The resulting oil is predominantly made up of caprylic acid (C8) and capric acid (C10), while lauric acid (C12) and long-chain fatty acids are largely removed[^1^][^4^].

Fractionated coconut oil is often marketed for various applications, such as:

Skin Care: It is a popular ingredient in lotions, creams, and hair care products due to its lightweight, non-greasy texture and moisturizing properties[^1^][^4^].
Dietary Supplement: It can be consumed as a supplement for its MCT content, which provides quick energy and may support weight loss[^1^][^4^].
Carrier Oil: Due to its ability to absorb quickly into the skin, it is frequently used as a carrier oil for essential oils in aromatherapy[^4^].

MCT oil, or medium-chain triglyceride oil, is a concentrated form of MCTs derived from coconut oil or palm oil. It primarily consists of caprylic (C8) and capric (C10) acids, providing a quick source of energy that the body can readily utilize. MCT oil is usually tasteless, odorless, and liquid at room temperature, making it easy to incorporate into various foods and beverages.

MCT oil is commonly used for:

Dietary Purposes: It is favored in ketogenic and low-carb diets for its ability to promote ketosis, enhance energy levels, and aid in weight loss[^3^][^5^].
Cooking: While it has a lower smoke point than coconut oil, MCT oil can be used in salad dressings or drizzled over foods[^3^].
Supplementation: Many athletes use MCT oil to boost endurance and performance during workouts[^5^].

The main difference between fractionated coconut oil and MCT oil lies in their fatty acid profiles. While both contain caprylic and capric acids, fractionated coconut oil may contain trace amounts of lauric acid, whereas MCT oil typically does not[^1^][^3^]. This difference affects their metabolic pathways and health benefits.

MCT oil is often considered more beneficial for quick energy and weight management due to its concentrated MCT content. Studies have shown that MCT oil can promote weight loss and improve metabolic rates more effectively than regular coconut oil[^3^][^5^]. On the other hand, fractionated coconut oil, while still beneficial, may not provide the same level of metabolic advantages due to the absence of lauric acid[^1^][^4^].

Fractionated Coconut Oil: Ideal for topical applications, it is often used in cosmetics and personal care products due to its moisturizing properties and non-greasy feel[^1^][^4^].
MCT Oil: Best suited for dietary applications, MCT oil is typically used as a supplement or food additive to enhance energy levels and support ketogenic diets[^5^].

Both fractionated coconut oil and MCT oil offer unique benefits and uses. If you're looking for a versatile oil for skin care or hair care, fractionated coconut oil may be the better choice. However, if your focus is on dietary supplementation and energy enhancement, MCT oil is likely the more effective option. Understanding the differences between these oils can help you make informed decisions based on your specific needs and preferences.

References:

Healthline - What Is Fractionated Coconut Oil Good For? Link
Shay and Company Inc - MCT vs Fractionated Coconut Oil Link
Left Coast Performance - MCT Oil Vs. Coconut Oil: What's the Difference and When to Use Link
Dr. Axe - What Is Fractionated Coconut Oil? Benefits & Uses Link