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Why do you put CBD oil under your tongue?

For CBD to be absorbed by your body, it has to be delivered to your body tissues in a quick and effective way.

There are a number of methods for taking CBD oil. They vary depending on the product itself, and your preference. You can use CBD oil under the tongue, swallow it, or apply it topically. 

This isn't including the other forms that CBD comes in, such as:

Each method varies when it comes to how fast the CBD reaches the bloodstream and how long it lasts in your system.

When it comes to taking CBD oil orally, for experienced users the choice is clear. Administering CBD oil under the tongue is generally the favoured option. You may hear it described a little differently. For instance, you may hear the phrase “take CBD oil sublingually”. But in this case, the same method is being referred to.

Given the popularity of this method, you may well be wondering:

  • Why do you put CBD oil under your tongue?
  • What advantages and disadvantages does it have?
  • How does it compare to other methods?

In this post, we will explore all the various reasons why do you put CBD oil under your tongue. We will also compare it with other methods, and tell you how to do it correctly.

Finally, we've provided a list of frequently asked questions to make sure you're fully informed.   

How best to take CBD oil under your tongue?

When it comes to taking CBD oil, there are a range of methods on offer. But this can sometimes be off-putting, especially for beginners. How to decide on the best method, or the easiest? Often, you'll find directions for use on the label of your CBD oil, especially if you buy from a reputable supplier.

The chances are that putting the CBD oil under your tongue will be near the top of the list. In fact, most bottles come with a dropper for this purpose.

A green background with the Supreme CBD logo to the right and a bottle of Supreme CBD oil in the centre.

So, when it comes to taking CBD oil under the tongue, or "sublingually" as the experts say, you will use the dropper to place the oil under the tongue.

The process is quite straightforward:

  1. Open your mouth and lift your tongue.
  2. Using the dropper, place the required number of drops under it.
  3. Then allow the oil to sit under your tongue for one to two minutes 

You can leave your mouth open or close it. It will not affect the absorption of the oil.   

Taking CBD on a full stomach is known to increase the ease with which it is absorbed into the bloodstream. However, it is better not to take CBD oil a few minutes after eating. Wait at least twenty minutes after a meal to administer your CBD oil.

Also, try to avoid eating or drinking immediately after taking CBD oil. Give it 20 minutes before you ingest anything.  

Why do you put CBD oil under your tongue?

Experts agree that using this method to deliver substances to the bloodstream is very effective. However, it is not suitable for all chemical compounds. For instance, some vitamins need activation by the liver to work. For others, including CBD, the sublingual mode of delivery is fast and efficient.

A green background with the Supreme CBD logo to the right of the image with a woman placing CBD oil under her tongue to show the sublingual method of taking CBD.

When placed under the tongue for a short period, the mucous membrane absorbs it. It goes straight into the bloodstream, but the final destination is the body tissues. 

It is important to note that other factors, such as the quality of the CBD oil and its pH can have an affect how sublingual methods of taking CBD oil work. Also, some studies have shown that CBD products that utilize MCT oils as the carrier are absorbed better.

Our Supreme CBD oils are the best on the market. We use MCT oils for optimum absorption, and our CBD oil comes from organic, non-GMO hemp, which is processed using the CO2 method of extraction. This method ensures that no solvents remain in the final product. Our products contain less than 0.2% THC, putting them firmly within the legal standards.

For fast-acting full-spectrum CBD oil, use our pipette for easy sublingual application. Our high concentration means you only need a few drops of CBD oil to get the daily recommended dosage.

Why do people use the sublingual method?

It is simple to administer your daily dose of CBD oil using the sublingual method. No preparation is required. Using the dropper, you simply need to measure the recommended dose and place it in your mouth. Special equipment is not necessary.  

CBD is absorbed into your bloodstream quickly; hence, it becomes available to your body after only a short period. This is what makes the sublingual method a popular choice.

A green background with the Supreme CBD logo to the right with a bottle of CBD oil in the centre to show sublingual method of taking CBD.

Micro-dosing is a great option for beginners, and it is made possible with the sublingual method. Micro-dosing means taking small doses and incrementing with time until you find the perfect dosage for you. Why not record the number of drops you take every day and include how you feel with each dose?

Potential downsides

There are many good reasons to take CBD under the tongue. It should be no surprise that it is a popular option, especially among experienced users. However, you may encounter some difficulties, particularly if you are a beginner. Nevertheless, many of these difficulties can be easily remedied.

Firstly, not everyone is keen on the taste of CBD oil. Many people describe the taste of CBD oil as earthy and grassy. Some find this unpleasant, which makes the task of holding the CBD oil under the tongue for the recommended time more difficult.

To remedy the situation, you can: 

  • Take a glass of water to wash the taste from your mouth after use. 
  • Some users have reported eating chocolate right before taking CBD oil as a good way to mask the taste.
  • You can also consider taking advantage of the many flavoured oils now on the market.

For new users, it can also be hard to know the number of drops you have taken if you don’t know what to expect. Sometimes positioning the dropper may present issues for first-time users.

There are two easy ways you can solve this problem.

  • Firstly, you can simply stand in front of a mirror to check on the positioning of your dropper.
  • Secondly, many companies are now marking their droppers so that you know the dose without having to guess.

Comparison to other methods

The various methods of taking CBD each come with their own benefits. In many ways, the choice is down to individual preference. You want to find the perfect combination of taste, convenience, and speed to suit you.

Topical application (on the skin)

Balms and creams infused with CBD enable you to absorb it through the skin. CBD applied in this way does not travel to the bloodstream but concentrates on a target area. This a great choice if you want to easily incorporate CBD use into your daily skincare routine, or if you are a regular gym-goer, you might like to use a CBD muscle and joint rub.

A green background with the Supreme CBD logo to the right and in the centre displays a bottle of Supreme CBD muscle and joint balm rub.


Edibles are the perfect choice if you like a sweet treat – CBD gummies come in a wide variety of forms, including gummy bears and other sweet treats. They are a convenient and discreet way to take CBD every day. Pop a packet of CBD gummies in your bag or pocket and take one whenever suits you.

The range of flavours available also makes this a good option for those who do not enjoy the natural taste of CBD.

A green background with the Supreme CBD logo to the right and a bottle of Supreme CBD edible capsules in the centre


Like the sublingual method, vaping is an efficient way to get CBD into your bloodstream fast. It involves the use of special equipment that heats CBD-infused e liquids, turning them into vapour. When you inhale the vapour it gets to your lungs and through the lung membranes to the bloodstream. This makes it a particularly speedy delivery method for CBD. However, be sure to buy specially-designed CBD e-liquids. As our blog post explains, you should not simply add CBD oil to your existing e liquid.

Key takeaways on why do you put CBD oil under your tongue:

Taking CBD sublingually is a convenient way of enjoying your daily dose of CBD. It is discreet and requires no setup or equipment. If you don't enjoy the earthy, grassy taste of CBD, consider trying the many flavoured oils that are available.

Above all, be sure to check the quality of the product you are taking by insisting on third-party lab test results. Reputable suppliers will have these lab results clearly posted on their website for you to consult.

CBD oil under tongue: FAQs

Why do you put CBD oil under your tongue?

When you place CBD oil under the tongue, it is absorbed into the bloodstream quickly. With this method, more of the CBD gets to your system.

Should you swallow the remaining oil in your mouth after the required time?

Yes. When the recommended time is up, you can swallow the remainder.

Can you wash the taste down with water?

Yes. If you find the taste of CBD bitter, wash down the taste with a glass of water. But it is better not to drink or eat anything for twenty minutes after taking CBD oil.

Is vaping more effective than the sublingual method?

When you vape CBD, it gets to your bloodstream faster when compared to taking it sublingually. However, taking oil sublingually is a quicker and more straightforward process that requires no additional equipment.

Should you close or open your mouth after placing drops under your tongue?

The choice is yours. It does not affect the absorption whether you open or close your mouth.

How much CBD does a drop of oil contain?

It depends on the concentration of the oil - at Supreme CBD we carry oils in a range of different strengths from a lighter 1000mg CBD oil right up to a super strength 6000mg CBD oil. Many companies indicate the amount of CBD in a drop to help you follow your dosage directions.

Can’t I swallow the CBD instead of placing it under the tongue?

Simply swallowing CBD, while not wrong as such, limits the amount of CBD that ends up in the bloodstream.

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