Nasal strips don’t magically increase performance or VO2max, but by improving airflow, they can reduce the perception of fatigue and—above all—are useful for sleep quality and recovery.
- The Trend: They’re back in style among elite and amateur athletes, but they aren’t new.
- How They Work: It’s pure mechanics. An adhesive “spring” widens the nostrils, reducing airflow resistance by up to 30%.
- The Science (The Bad News): They don’t increase VO2max or total lung capacity. If you’re looking for a race-day “turbo,” this isn’t it.
- The Science (The Good News): They reduce the perception of effort (RPE) and facilitate nasal breathing, which is more efficient.
- The Real Game Changer: Using them at night. They improve sleep, reduce snoring, and promote better recovery. That’s where they really make a difference.
Soccer Players and Marathoners Use Them. But Does That Strip on the Nose Really Do Anything?
Turn on the TV to watch a soccer game or scroll through your Instagram feed after a major marathon, and you’ll see them: those little adhesive strips placed on the bridge of the nose of athletes worth millions.
It seemed like a 90s fad, yet they’ve come back with a vengeance. The implied promise is seductive: “Stick this on and you’ll breathe like a racehorse.” And runners know that air is the most precious fuel.
But is it true? Or is it just another placebo effect making us spend money at the pharmacy? We decided to play “MythBusters” of running and analyze what really happens when you stick that strip on your nose.
How They Work: The Simple Mechanics Behind the Sticker
No magic, no chemistry. The principle is stupidly simple: pure mechanics.
Nasal strips feature two flexible bars (like “springs”) embedded in the adhesive. When you apply them by bending them over your nose, these bars try to straighten out, returning to their original shape. In doing so, they gently pull the nostril walls outward, widening the nasal valve (the narrowest part of the nose).
The result? The passage widens. Resistance to airflow decreases. Imagine switching from drinking with a cocktail straw to drinking with a fast-food soda straw. The air enters with less turbulence and less effort.
What Does Science Say: Do They Improve Performance? (Spoiler: No)
Here is where marketing clashes with physiology. If you breathe more air, you run faster, right?
Wrong.
Sports science has studied nasal strips for decades. The verdict is fairly unanimous:
- They don’t increase VO2max: The maximum amount of oxygen your body can use doesn’t depend on how wide your nostrils are, but on the heart’s ability to pump blood and the muscles’ ability to extract oxygen. The strip doesn’t change the engine.
- They don’t improve race times: In a maximal effort, most air enters through the mouth (which is a huge “tube” compared to the nose). Widening the nose is irrelevant when you are gasping at 180 beats.
However…
There is an important “but.” Studies show that strips reduce the perception of fatigue. Breathing better through the nose seems easier. And if the brain perceives less respiratory fatigue, it allows you to push with more mental comfort. It’s not a direct physiological advantage, but a psychological one. And in running, the head counts.
The Real Benefit of Nasal Strips: Sleep and Recovery
If they are (practically) useless for setting a 10k record, there is a moment when nasal strips are true lifesavers: the night.
Recovery is the most important workout, and sleep is the foundation. Many of us breathe poorly at night without knowing it: slightly deviated septum, allergy congestion, or simple anatomy. The result? We breathe with our mouths open, snore, or have micro-awakenings that ruin deep sleep quality.
Put on a strip before bed, and the tune changes.
- Forced nasal breathing: The strip facilitates air entry through the nose, encouraging you to keep your mouth closed.
- Deeper sleep: Breathing through the nose activates the parasympathetic nervous system (the relaxation one), improving rest quality.
- Less snoring: If the nose is clear, air doesn’t have to “force” the passage creating vibrations. Your partner will thank you.
An athlete who sleeps better is an athlete who recovers sooner and gets injured less. That is the real competitive advantage.
Verdict: Buy Them If You Snore or Have a Stuffy Nose, Not If You’re Chasing a Personal Best
Is it worth spending that money?
- YES, IF: You have a deviated septum, suffer from seasonal allergies, snore, or wake up with a dry mouth. Use them at night or during easy runs (where nasal breathing is key). They will change your life.
- NO, IF: You think they will shave 5 minutes off your marathon time just by wearing them.
Nasal strips aren’t a turbo button; they are comfort optimization. And sometimes, running (or sleeping) more comfortably is all you need to do it better.