Taking oregano oil under the tongue, also known as sublingual use, is another method people sometimes choose. This approach is very different from capsules and requires extra care.

Oregano oil placed under the tongue is absorbed quickly, which is why this method is often described as more intense than swallowing capsules or diluted oil.

Why People Use Oregano Oil Sublingually

Sublingual use is often chosen because:

  • Absorption occurs quickly

  • Smaller amounts are typically used

  • The oil bypasses digestion initially

However, oregano oil is extremely strong, which makes this method unsuitable for many people.

Dilution Is Essential

Oregano oil is never placed under the tongue undiluted. It is typically mixed with a carrier oil before use.

Common carrier oils include:

  • Olive oil

  • Coconut oil

  • Black seed oil

Even when diluted, this method can feel intense and is usually reserved for experienced users.

Sensations to Expect

People often describe:

  • A warming or tingling sensation

  • A strong herbal taste

  • A need to rinse the mouth afterward

Because of its intensity, sublingual use is typically done sparingly and not as a daily habit.