MCT Oil in Coffee: What It Is and Why It Works

If you've read a coffee bag lately and wondered what MCT oil is doing in there, you're not alone. It's one of the most common functional ingredients in coffee — and one of the least understood. Here's the plain-English version.

What Is MCT Oil?

MCT stands for Medium-Chain Triglyceride — a type of fat that's metabolised differently to the long-chain fats found in most everyday foods. MCTs are naturally found in coconut oil and palm oil, and they're absorbed and used by your body faster than other fats, which is the whole reason they've become a go-to ingredient in functional coffee.

We use organic MCT oil across several of our blends, chosen for the same reason athletes and keto dieters have used it for years: it's a quick, clean source of energy that doesn't require the digestive work a heavier fat would.

Why We Add It to Coffee

MCT oil pairs naturally with coffee because of what it does alongside caffeine, not instead of it. Where caffeine gives you the initial lift, MCT oil is there to help smooth out the energy curve that follows — which is why you'll find it in blends built around sustained energy rather than a quick spike.

It's also a big part of why our functional blends are keto-friendly: MCTs are pure fat with no carbs, so they fit cleanly into a low-carb or keto eating pattern without any extra thought.

Does MCT Oil Actually Work?

This one has a genuinely solid answer. MCT oil is one of the more established ingredients in the functional nutrition space — it's been used in clinical and sports nutrition contexts for decades, well before it became a coffee trend. What it does is fairly modest and specific: it's a fast-digesting energy source, not a stimulant and not a miracle ingredient.

The honest framing: MCT oil won't make a bad coffee habit good, and it's not going to out-perform a proper night's sleep. What it does well is take the edge off the "spike then crash" pattern that comes from caffeine and sugar alone, by giving your body a steadier fuel source to draw on alongside it.

How Much MCT Oil Is in Your Coffee?

You don't need to measure or think about this — it's already blended into the bag at a food-level amount designed to sit comfortably alongside your normal coffee habit. One cup a day is all it takes to get the benefit.

This matters because MCT oil taken in large, concentrated doses (like a big spoonful of pure MCT oil added to a drink) can cause stomach upset in some people. The amount in a cup of functional coffee is far lower than that — it's a food ingredient, not a supplement dose — which is one of the advantages of getting it this way rather than adding your own.

MCT Oil Coffee vs. "Bulletproof" Coffee

If you've heard of Bulletproof coffee — the DIY trend of blending coffee with butter and MCT oil in a blender — this is worth clearing up, because it's a different thing:

• Bulletproof coffee: you buy MCT oil and butter separately, blend them into your coffee yourself, and end up with a high-fat, high-calorie drink that needs a blender to get the texture right.
• Brewdy's MCT-fortified blends: the MCT oil is already blended into the coffee itself, at a food-level dose, with no butter, no blender, and a fraction of the calories.
• Texture: ours dissolves like a normal instant or ground coffee — no oily film, no separation.
• Effort: none. Scoop, hot water, done.

Same underlying ingredient, much simpler execution.

Who Should Be Careful?

MCT oil is generally very well tolerated at the levels used in functional coffee, but a few things are worth knowing. If you have a sensitive stomach or a history of digestive issues, introduce any new functional coffee gradually rather than switching your whole routine overnight. If you're pregnant, breastfeeding, or managing a medical condition — particularly anything involving fat digestion or the pancreas or liver — check with your doctor before adding a new functional ingredient to your diet, same advice as with any supplement.

Frequently Asked Questions

Is MCT oil the same as coconut oil?
Related but not the same. MCT oil is extracted from coconut oil (or palm oil) and concentrated down to just the medium-chain fats, rather than being the whole oil.

Will MCT oil help me lose weight?
MCT oil is often associated with weight management because it's used differently to other fats by the body, but it isn't a weight-loss ingredient on its own — it works best as part of an overall approach, not a shortcut.

Does MCT oil affect the taste of coffee?
No — at the amount used in our blends, it's not noticeable. You get the same coffee flavour, with the MCT oil working quietly in the background.

Can I have MCT coffee if I'm keto?
Yes — it's one of the reasons MCT oil is used in functional coffee in the first place. Pure fat, zero carbs, fits straight into a keto or low-carb pattern.

Which Brewdy blends contain MCT oil?
The GOAT, Natural Energy Coffee, and Decaf Joe all include organic MCT oil.

Try It for Yourself

• The GOAT Collagen Coffee — MCT oil alongside collagen and turmeric, for energy and recovery in one cup
• Natural Energy Coffee — 100% vegan, built around MCT oil for clean, steady energy
• Decaf Joe — same MCT-fortified formula, zero caffeine

Or browse the full Performance & Energy collection.