You can take CBD oil by swallowing it, by absorption through the mucus membranes in your mouth, by inhaling it, by absorption through the skin or by suppository.
Each method has its advantages and disadvantages, each is more or less efficient at getting CBD into your bloodstream. There’s also a large element of personal choice and it depends on the reason you’re using CBD.
The most obvious method is a few drops of highly concentrated oil in your mouth. The best way is under your tongue and hold it there for as long as you can. That way at least some of it will be absorbed through your mucus membranes directly into your bloodstream. When you swallow what’s left it will pass through your gastrointestinal system and into your liver. Studies show that as little as 6% of what you ingest orally will actually end up in your bloodstream but this is much the same for any substance that is metabolised through your liver. So those few seconds holding the oil in your mouth may significantly increase this.
Studies suggest that 18% to 30% of inhaled CBD will be absorbed
through the lungs into the bloodstream. Research suggests that the
beneficial effects of CBD take place more quickly when inhaled but may last for a shorter period of time. When swallowed the effect takes longer but also lasts for a longer period.
CBD creams or body salves can be rubbed into the skin and absorbed
directly into the small capillary blood vessels. Some people using CBD
as a supplement to help with aches and pains find this directly targets the area of their body that is affected.