What Does Putting Salt Under Your Tongue Do? Exploring the Little-Known Uses and Effects
You might have heard whispers or seen anecdotes about people putting salt under their tongue. It sounds a bit peculiar, right? But there are actually a few reasons why someone might do this, ranging from common remedies to more niche applications. Let's dive in and explore what putting salt under your tongue can do.
The Science Behind Salty Sensations
Before we get into the specifics, it's helpful to understand how salt, or sodium chloride, interacts with our bodies. When salt comes into contact with the moist surface under your tongue, it dissolves rapidly. This dissolution releases sodium and chloride ions. These ions can then interact with your taste receptors, and in some cases, with your bloodstream through the thin membranes present there.
Relief for a Sore Throat
One of the most common reasons people put salt under their tongue is for temporary relief from a sore throat. While not a cure, a small amount of salt dissolved under the tongue can create a temporary osmotic effect. This means it can help draw out some of the excess fluid from swollen throat tissues, potentially offering a brief reduction in discomfort and inflammation.
Here's how it's typically done for a sore throat:
- Take a pinch of fine-grained salt (like table salt).
- Place it under your tongue.
- Allow it to dissolve slowly.
- You can then swallow the salty saliva or spit it out.
This method is often used as a quick fix until you can gargle with salt water, which is a more traditional and generally more effective remedy for a sore throat.
A Quick Energy Boost or Pick-Me-Up
This is a less common, but sometimes cited, reason. For individuals experiencing a dip in energy, particularly those who have been sweating heavily or are potentially dehydrated, a tiny amount of salt can sometimes help. The theory is that the sodium ions absorbed from under the tongue can help the body retain water more effectively, and in situations of electrolyte imbalance due to significant fluid loss, it might provide a very mild, temporary boost.
Important Note: This is NOT a substitute for proper hydration or addressing underlying causes of fatigue. For true energy issues, consult a healthcare professional.
Preventing Tongue Piercing Swelling
For those who have recently gotten a tongue piercing, salt is often recommended as part of the aftercare routine. Applying a small amount of salt or rinsing with a saltwater solution can help reduce swelling and promote healing. The salt can help to draw out fluid from the inflamed area, much like its effect on a sore throat.
Aftercare instructions often include:
- Dissolving a quarter teaspoon of sea salt or non-iodized salt in a cup of warm water.
- Swishing this solution in your mouth, ensuring it contacts the pierced area.
- Spitting out the solution.
Alternatively, some may place a tiny pinch of salt directly under the tongue if advised by their piercer, though rinsing is more common.
Historical and Folkloric Uses
Throughout history, salt has been revered for its preservative and purifying qualities. While many of these practices aren't scientifically proven for oral application, it's worth noting that salt has been used in various cultural traditions for cleansing and even for warding off ailments. These uses are largely anecdotal and rooted in tradition rather than modern medical understanding.
Potential for Nausea Relief (Anecdotal)
Some individuals report that a small amount of salt under the tongue can help alleviate feelings of nausea. The exact mechanism for this is unclear, but it might be related to the way salt affects fluid balance in the body or perhaps a distraction from the queasy sensation through taste. This is purely anecdotal and should not replace medical advice for persistent nausea.
What About a "Salt Challenge"?
It's crucial to differentiate between these minor, often remedy-based uses and more extreme actions. You might have heard of "salt challenges" or people trying to eat large amounts of salt. This is extremely dangerous and can lead to severe health consequences, including hyponatremia (water intoxication), seizures, coma, and even death. Never ingest large quantities of salt, and always be cautious about what you hear online, especially if it involves extreme actions.
When to Be Cautious
While using a small pinch of salt for temporary relief is generally considered safe for most adults, there are situations where you should exercise caution:
- High Blood Pressure: If you have hypertension, you should be mindful of your sodium intake. While a tiny amount under the tongue is unlikely to cause significant issues, it's best to avoid it or consult your doctor.
- Kidney Issues: Individuals with kidney problems need to carefully manage their sodium intake.
- Children: The effects of salt on children can be more pronounced. It's generally not recommended to give children salt to put under their tongue without medical supervision.
- Open Sores or Cuts: If you have any open sores or cuts in your mouth, applying salt can cause stinging and irritation.
Always remember: For any persistent health concerns, always consult with a qualified healthcare professional. Self-treating with salt should be limited to very minor, temporary discomforts.
Frequently Asked Questions (FAQ)
How much salt should I put under my tongue?
For most remedies, a very small pinch of fine-grained salt, no more than a quarter teaspoon, is sufficient. The goal is not to ingest a large amount, but rather to allow a small quantity to dissolve and interact with the tissues under your tongue.
Why does salt help with a sore throat?
Salt can create an osmotic effect, drawing excess fluid out of swollen throat tissues. This can temporarily reduce inflammation and provide a slight numbing sensation, offering a brief period of relief from the discomfort.
Is putting salt under your tongue dangerous?
For most adults, using a tiny pinch of salt for temporary relief is generally safe. However, ingesting large amounts of salt is dangerous and can lead to serious health problems. Individuals with certain health conditions, like high blood pressure or kidney issues, should exercise caution or avoid it altogether.
Can putting salt under my tongue help me hydrate?
In very specific circumstances, such as extreme dehydration due to heavy sweating, a small amount of salt might help the body retain water by replenishing lost sodium. However, this is not a primary hydration method and should not replace drinking water or electrolyte-rich fluids. For general hydration, focus on drinking plenty of water.
Why do people use salt for tongue piercing aftercare?
Saltwater rinses or, in some cases, a small amount of salt under the tongue are used to help reduce swelling and inflammation associated with a new tongue piercing. The salt can help draw out fluid from the affected area, promoting healing and cleanliness.

