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Carrier Oils for CBD: How to Choose the Best One

Adrienne Dellwo is an experienced journalist who was diagnosed with fibromyalgia and has written extensively on the topic.

Verywell Health articles are reviewed by board-certified physicians and healthcare professionals. These medical reviewers confirm the content is thorough and accurate, reflecting the latest evidence-based research. Content is reviewed before publication and upon substantial updates. Learn more.

Lana Butner, ND, LAc, is a board-certified naturopathic doctor and licensed acupuncturist in private practice in New York City .

If you’ve ever used a CBD oil, you’ve gotten more from the product than just cannabidiol (CBD). For multiple reasons, manufacturers include a carrier oil, too.

As its name suggests, a carrier oil delivers (or carries) the contents of the active compound. In this case, it’s CBD. In the realm of beauty products, carrier oils dilute essential oils because the essential oil may be too strong on its own. (For example, a lavender reaction from lavender oil can cause the skin to itch, burn, or break out in blisters.)

Carrier oils are important to CBD because they help dissolve the cannabinoid’s molecules so they can be absorbed by the body. Many carrier oils are similar, but they may have differences that could be important to you for various reasons. For example, most of them are nut-based or plant-based, and you could be allergic to them. Oils that are taken orally may not taste good to you. Reading the label is a smart move—as long as you know what you’re looking for.

This article explains the purpose of carrier oils and the possible side effects. It also describes the six carrier oils you’re likely to see in stores and online, including their advantages and drawbacks.

Marketing Outpaces Science

CBD is an abbreviation for cannabidiol. It’s one of 100-plus chemicals in the cannabis plant that may have health benefits. It’s widely assumed that CBD oil can relieve arthritis pain, chronic pain, and chronic nerve pain as well as reduce inflammation, ease anxiety, and improve sleep. Researchers are actively studying other uses for CBD oil, particularly in terms of slowing cancer cell growth.

Purpose of CBD Carrier Oils

CBD products use different carrier oils, sometimes alone and sometimes in combinations. They serve several important functions:

Better Absorption

One key reason for using a carrier oil is that it improves bioavailability, which means it helps your body absorb CBD oil. CBD is fat-soluble, which means that it dissolves in oil rather than water. Fat-soluble substances are better absorbed when digested along with fat, even in small amounts.

When you digest water-soluble substances, like sugar or many vitamins and minerals, your digestive tract sends them directly into your bloodstream (because blood is a water-based liquid).

Fat-soluble substances can’t be absorbed this way. Instead, your digestive tract sends them into fatty tissues and they’re distributed through your body by the lymphatic system, which is part of your immune system. Any excess is stored in your liver and fatty tissues for later use.

All carrier oils are fat-soluble, which means CBD dissolves in it. Then the oil carries the CBD into the proper tissues so they’re more accessible by your body.

Know Your Tinctures

CBD products have introduced consumers to a new lexicon. For example, concentrated CBD oil usually taken through a dropper is known as a tincture.

Easier Dosing

CBD is a potent chemical, which means you don’t need much of it for a medicinal effect. However, this poses a problem when it comes to dosing. To deliver accurate and consistent doses, it’s easier to measure out a dropperful of CBD-infused oil than a tiny amount of crystalline isolate (which is CBD in pure form).

Added Health Benefits

Carrier oils sometimes include health benefits all on their own. For example, olive oil has gotten a lot of attention for its heart-healthy benefits.

If there’s an oil you’d like to get more of in your diet, adding it to your CBD regimen is one way to get it. (This said, it remains debatable whether one or two droppers of carrier oil a day is enough to have any tangible effect on your health. This is another CBD-related topic that falls under the category of “more research is required.”)

CBD Products Come From Hemp

CBD products almost always are derived from hemp, which is botanically and legally different from the marijuana plant. By law, CBD products can’t contain more than 0.3% THC (short for delta-9- tetrahydrocannabinol ), which is the chemical in marijuana that creates a high.

Side Effects and Precautions

Most people don’t have side effects from common carrier oils. Some oils, though, may not be right for people with certain illnesses or who take certain medications. Always check with your healthcare provider before adding anything to your dietary regimen—even a “natural” product like CBD in a carrier oil. Natural doesn’t always mean safe.

If you have tree-nut allergies or other food allergies, be especially diligent about selecting CBD products with carrier oils you know are safe for you. All ingredients should be specified on the label.

For topical preparations, know that some carrier oils or other added ingredients may cause an itchy, red rash called allergic contact dermatitis. Others may cause a skin reaction after sun exposure. Be sure you’re familiar with the potential side effects of whatever products you’re using. And play it safe by testing a miniscule amount of topical oil on an obscure patch of skin to see if you develop a reaction.

What About Essential Oils?

Carrier oils aren’t the same thing as essential oils used for aromatherapy. Essential oils are highly concentrated, which is why they have a strong fragrance. Many essential oils can cause poisoning when ingested or absorbed through the skin, even in small amounts. This is true even if the oil comes from something that is normally safe to ingest, such as nutmeg.

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Essential oils are often used topically (on the skin) after being diluted by a carrier oil. Essential oils themselves, however, should never be used as a carrier oil. Some topical CBD formulations may include essential oils such as lavender or eucalyptus oils because of their purported health benefits.

Before using these products, be sure you’re familiar with the ingredients and that you’re not allergic to any of them. Watch also for side effects, which can occur soon after using them.

Common Carrier Oils

Some CBD oils may contain one or more carrier oils. Some common carrier oils are:

  • Medium-chain triglyceride (MCT) oil
  • Hemp seed oil
  • Olive oil
  • Avocado oil

MCT Oil

MCT oil is the most common carrier oil for CBD products. It can be derived from coconut or palm kernel oil, but coconut is the most common source. On labels, it’s sometimes listed as fractionated coconut oil, which means it contains more liquid than solid compared to normal coconut oil, thanks to fatty acids.

Medium-chain triglycerides are a type of fatty acid that your body can quickly absorb because it doesn’t have to break it down via digestion before sending it off to the lymph system. It also absorbs easily through the skin.

Long-chain triglycerides require more digestion time. Short-chain triglycerides are often consumed by gut bacteria before they’ve had time to be absorbed. So MCTs are the most useful.

Pros:

  • Quick absorption due to molecular structure
  • 90% saturated fat, which also aids absorption
  • Light, thin oil
  • Almost flavorless
  • Doesn’t require chemical processing
  • Less expensive than some carrier oils
  • Slow to break down and go rancid

Cons:

  • Temporary digestive side effects (nausea, gas, diarrhea, vomiting) in some people
  • Possible excessive build-up of ketones in the body (dangerous with poorly controlled diabetes)
  • Not recommended for people with liver disease
  • May interact with cholesterol-lowering statin drugs

Additional Health Claims

Some scientific evidence suggests that MCT oil may:

  • Help with weight loss by reducing your appetite, increasing metabolism, and making your body burn calories faster
  • Have benefits for people with autism, epilepsy, cancer, type 2 diabetes, and Alzheimer’s disease
  • Activate the immune system to fight yeast and bacterial overgrowth

While promising, much of this research is preliminary. More research is needed before MCT oil can be recommended for these uses.

Scrutinize Coconut Oil Labels

If the label of a CBD product says “coconut oil,” it’s likely regular coconut oil and not MCT. While perfectly fine as a carrier oil, regular coconut oil may not have all of the same benefits of an MCT.

Hemp Seed Oil

It may come from the same plant, but hemp seed oil (sometimes called hemp oil) and CBD oil aren’t the same thing. CBD comes from the flower while hemp seed oil comes from the seeds. The seeds contain fewer beneficial chemicals (cannabinoids and terpenes) than the flower and in much lower concentrations. However, they do contain some hemp phytochemicals that aren’t present in the flowers.

Using hemp seed oil as a carrier oil for CBD may contribute to what’s called the “entourage effect,” which basically means that combining parts of the plant may make each component more effective than it would be alone.

This quality makes hemp seed oil a popular choice for “full-spectrum” products, which contain all of the component chemicals of the hemp plant rather than just CBD.

Pros:

  • Rich in omega-3 fatty acids, which may lower inflammation
  • Ideal ratio of omega-3 to omega-6 fatty acids
  • High antioxidant levels
  • Good source of fiber
  • Contains magnesium, calcium, iron, and zinc
  • Possible entourage effect

Cons:

  • Lower solvency than MCT oil, meaning it can’t hold as much CBD
  • Higher priced than MCT oil
  • Flavor (sometimes described as “sharp” or “herby”) may clash with some palates
  • Side effects may include diarrhea, nausea, throat irritation, slow heart rate, high blood pressure

Buyer Beware

Some companies try to pass off hemp seed oil as CBD oil. Be sure to check the ingredients and amount of CBD a product contains before you buy it. All reputable companies should provide this information on their labels and websites.

Additional Health Claims

Hemp seed has been used medicinally for a wide array of conditions, most of which have not been researched enough to say for sure whether they’re safe and effective. The conditions include:

    , for its anti-inflammatory properties and blood pressure and other conditions involving skin inflammation

Olive Oil

Olive oil is probably the carrier oil you’re most familiar with. It’s certainly the best researched. It’s become one of the most commonly used cooking oils because of its many well-established health benefits:

Pros:

  • High in iron, vitamin K, vitamin E
  • Rich in antioxidants
  • Highly trusted
  • Absorbed by the skin even faster than MCT

Cons:

  • Its long-chain triglycerides are slower to absorb than MCT (but may absorb more efficiently)
  • Lower solvency than MCT, meaning it can’t hold as much CBD
  • Thicker than most other carrier oils, which may be unpleasant
  • Flavor is relatively strong and may be distasteful to some people

Additional Health Claims

Thanks to a significant amount of research, olive oil is known to:

  • Boost immunity
  • Reduce inflammation
  • Increase good cholesterol and lower bad cholesterol
  • Prevent blood platelet clumping, which can cause heart attacks
  • Aid in blood clotting
  • Improve gut-bacteria balance
  • Support proper nerve function
  • Prevent cognitive decline
  • Protect bones from thinning (osteoporosis)

Avocado Oil

Avocado oil has become more popular for a variety of uses, including cooking, as researchers have learned about its health benefits. As a CBD carrier oil, it’s used most often in topical products, but you can also find it in products that are meant to be ingested.

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Pros:

  • Quickly and easily absorbed by your skin and digestive tract
  • Nutty flavor may be more pleasant than some alternatives
  • Especially good for topical uses
  • Rich in antioxidants
  • High in vitamins A, B, D, and E

Cons:

  • Much thicker than most carrier oils, which may be unpleasant
  • Significantly more expensive than many carrier oils
  • Higher allergy risk than many carrier oils

Additional Health Claims

Most of the research into avocado oil has been performed on animals, not people. Until researchers take this next step, preliminary evidence suggests that avocado oil may:

  • Lower bad cholesterol and raise good cholesterol, which decreases the risk of heart disease
  • Improve glucose tolerance and reduce insulin resistance, providing protection from diabetes
  • Improve metabolic markers

Avocado oil is less likely than many oils to clog your pores, so it’s popular for topical use. Plus, its slow drying time may help it last longer than some topical preparations.

Allergy Warning

Avocado allergies are possible. If you experience itching in your mouth after ingesting avocados or avocado oil, don’t ingest any more before talking with your healthcare provider about it. Some allergies tend to occur together. People with avocado allergies may be especially sensitive to:

  • Bananas
  • Watermelons
  • Cucumbers
  • Kiwis
  • Other fruits and vegetables
  • Latex

If you have an allergic reaction to any of these things, you should be tested for a reaction to the others as well.

Extreme Symptoms Are Possible

Extreme allergy symptoms, such as difficulty breathing or anaphylaxis, are uncommon (but possible) with avocados because digestive enzymes tend to break down the allergen before it’s absorbed into your body. Get emergency medical attention if you experience these symptoms.

Summary

Carrier oils are important to CBD because they help dissolve the cannabinoid’s molecules so they can be absorbed by the body. Many carrier oils are similar, but they may have differences that could be important to you for various health reasons. One key reason for using a carrier oil is that it improves bioavailability, which means it helps your body absorb CBD oil. Besides, to deliver accurate and consistent doses, it’s easier to measure out a dropperful of CBD-infused oil than a tiny amount of crystalline isolate (which is CBD in pure form). Carrier oils also may have health benefits all on their own. Four common carrier oils are medium-chain triglyceride (MCT) oil, hemp seed oil, olive oil, and avocado oil.

A Word From Verywell

Many people are quick to ask: “Which CBD carrier oil is the best?” Now you know that the answer depends on several factors, including the type and uses of the CBD product, whether you have allergies or certain health conditions, and your personal preferences. So look at it this way: If you try one oil and don’t like it, you can always try a different one. Meanwhile, be sure to ask your healthcare provider or pharmacist for advice along the way.

LeBlanc

Oils are solvents for cannabinoids like CBD and THC. They are also excellent solvents for terpenes too. Yes, we sell an infused topical oil but you can make your own hemp infused oil at home with things you already have in your kitchen. It can be used as an edible or topical. That’s right: you can eat it or rub it on.

The first step in making any infused oil is to decarb the hemp first. The plant makes CBD-A, the acid form. Heating it converts it to TCBD.

The general rule of thumb is to use a gram of decarbed hemp for every ounce of oil. Use more if you use trim or popcorn, less if you use premium flower or kief. It’s better to make a large batch instead of several smaller ones. This way you can sample and calibrate a small amount and scale your recipes up or down accordingly.

How much should you eat? Start with a small amount first and adjust the serving size up or down as needed. It may take as long as an hour or more to feel the full effect so be patient.

Coarsely crumble the decarboxylated hemp. Fill a Mason jar half full of hemp and enough oil to cover it plus an inch more. Put the lid on the jar and place it in a pan of water, making a water bath. Heat the water to just below boiling for 1 hour. Turn off the burner and allow it to cool slowly.

Coconut oil is a “good oil” and contains approx. 50% lauric acid so it’s heart healthy. It tastes good, has a high heating point, and doesn’t go rancid quickly. Use organic coconut oil (it’s worth the extra price).

Strain the oil to remove the plant material. Be sure to press all of the oil out of the hemp. A quick way to strain it is to use a french press coffee maker. Or you can use cheesecloth or a jelly bag if you’re so inclined.

At this point the infused oil can be eaten as is, used as an ingredient when cooking, or used as a topical (salve, lotions, etc.). You can cook with the oil as long as the temperature is less than the boiling point of CBD, 315° F. Add coco butter to solidify it when making suppositories.

Optional: Add lecithin to your infused oil to help the cannabinoids cross the cell membrane. Set 1/8 of the oil aside, heat the rest slightly, and add as much soy or sunflower lecithin as it will hold. When no more lecithin will dissolve in the oil it’s saturated. Add the remaining oil to dilute it enough so the lecithin won’t fall out of suspension.

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Store your strained infused oil in glass jars kept in the refrigerator.

Making an infused oil is very similar to making cannabutter. “Whatever you make is only as good as the plant material used to make it.” Begin with a cultivar you know and like. Making infused oil is an excellent way to use trim and popcorn, which is less expensive than flower and buds. Grapeseed oil is an excellent choice if you want to make an infused topical oil because it is absorbed into the skin so well.

“We only use ingredients we’d serve our own mother at the Thanksgiving dinner table.” Hemp is rich in CBD (cannabidiol) without THC and is completely non-intoxicating. We only use hemp free of pesticides and heavy metals in whatever we make.

What’s in Your CBD Oil? Why Carrier Oil Matters

CBD oils can be made with MCT, hemp seed, avocado, olive oil, and more. What’s the difference? Does the carrier oil matter? We explore this topic in-depth.

Article By

If you look at the label of your CBD oil, you’ll see that it contains more than just hemp extract.

As the name suggests, CBD oils also include an oil — which is usually some form of vegetable oil or vegetable glycerine.

These oils serve an important purpose — to help deliver the active component — in our case, CBD — to the body.

There are many different carrier oils used in CBD products — coconut, MCT, palm, olive, avocado, hemp seed, sesame, and grape seed oil — each with their own set of positives and negatives.

In this article, we’ll cover everything you need to know about carrier oil selection. We cover MCT, olive, hemp seed, grape seed, and glycerine — including the pros and cons of each.

So let’s get started.

Table of Contents
  • 1. Medium-Chain Triglyceride (MCT) Oil
  • Pros & Cons of Hemp Seed Oil
  • Pros & Cons of Grape Seed Oil

What is a Carrier Oil?

As the name implies, a “carrier oil” carries the CBD and other phytochemicals. It’s a simple solution. The carrier oil acts as a solvent to dissolve the compounds of the hemp plant to make them easier to use.

This concept isn’t unique to CBD products. The same concept applies when making Kool-aid by dissolving the flavored powder into water, or when making soapy water to wash the dishes.

The only difference here is that a fat is used instead of water. This is because cannabinoids are soluble in oils and fats instead of water.

What Are the Benefits of Adding Carrier Oils to CBD?

There are three main reasons carrier oils are used. Let’s cover each one in more detail.

1. Carrier Oils Enhance CBD Absorption

One of the main reasons CBD oil manufacturers dilute hemp extracts like CBD in a carrier oil is to improve absorption in the gut. This works because CBD is a fat-soluble substance.

This is important because the body has two separate pathways for absorbing compounds into the body — a water-soluble pathway and a fat-soluble pathway. This all happens at the working unit of the intestinal tract known as the microvilli (pictured below).

(Diagram of microvilli — the working unit of the digestive tract)

Water-soluble compounds like most amino acids, sugars, and minerals can travel directly through the gut lining into the water-based blood. From here, they’re transported around the body. In the diagram above, water-soluble substances enter the red portion under the surface (the blood).

(The Lymphatic System)

Fat-soluble substances on the other hand — like CBD — can’t go directly into the bloodstream. They first need to get packaged up into tiny droplets called micelles. These micelles then enter the fatty lymph tissue — a network of fat-based compounds and immune cells. They then travel up the body through the lymph, eventually entering the bloodstream directly above the heart. In the diagram above, the lymph is the green tubes (called lacteals). These lacteals carry the CBD (and other cannabinoids) to the lymphatic system.

Absorbing fats in this way requires a series of enzymes in the digestive tract to prepare the fat molecules for absorption by breaking them down and turning them into micelles. When we eat fats, taste receptors in our mouth send signals to the digestive tract to get these enzymes ready.

When we take CBD alongside other fats, it helps prime the body for this effect — signaling the rest of the body to prepare for fat absorption — which effectively increases the amount of CBD the body can absorb.

2. Carrier Oils Make Measuring Doses Easier

The difference between 5 mg and 50 mg of pure CBD crystals is minuscule — 50 mg of this highly-refined source of CBD is about the size of a match head.

Getting precise doses like 7.5 mg requires a precision scale and can’t be done accurately with the naked eye. We need special equipment for this, which simply isn’t realistic for most CBD users.

The solution is to first dilute the CBD crystals into a carrier oil at a predictable amount — such as 100 mg, 300 mg, 600 mg, or 1000 mg CBD per bottle like you’ll find listed on most CBD oils.

From here, the larger volume of the oil with CBD dissolved is much easier to measure. The same 50 mg dose can be measured by counting the drops of oil or measuring the fluid in a measuring spoon. It makes dosing CBD significantly more accurate and consistent.