Do nasal strips increase blood oxygen? Airflow, SpO2 and VO2 max

Airflow, oxygen saturation and VO2 max are not interchangeable

Nasal airflow concerns air moving through the nose. An external strip supports the nasal sidewalls rather than delivering oxygen. Our nasal valve guide explains where this mechanical support acts.

SpO2 is a pulse-oximeter estimate of how much haemoglobin is saturated with oxygen. It is not a score for how easy nasal breathing feels. The Austrian public health portal explains saturation and its measurement.

VO2 max describes maximal oxygen consumption during intense exercise. It is not the percentage displayed on a fingertip oximeter. An exercise study reporting VO2 max therefore does not automatically answer a question about blood oxygen saturation.

Ask what an oxygen claim actually measures

Before accepting a percentage, identify the outcome, the participants, the device and the testing conditions. A change in nasal opening, a change in blood oxygen and a faster finish time are different claims requiring different evidence.

A laboratory measurement taken during a nasal inspiration does not necessarily describe breathing throughout a race. Your nose may feel more open while an oxygen reading stays unchanged. Both can be true because they concern different outcomes.

Also separate research on nasal dilators as a category from evidence for a particular product. The papers discussed here are not presented as clinical trials of BreathersBliss strips.

Exercise studies do not establish a universal oxygen boost

A 2021 meta-analysis by Dinardi and colleagues found no significant VO2-max improvement in the healthy participants studied.

A 2022 running-focused review reported a favourable VO2-max result against placebo, but rated the evidence certainty very low.

Read these findings in context rather than selecting only the most attractive headline. Neither establishes a guaranteed benefit for every wearer or a percentage increase in blood oxygen. Our wider guide to nasal strip research helps put measured effects alongside individual comfort.

At night, nasal comfort is not treatment for desaturation

A 2016 meta-analysis in obstructive sleep apnoea found no significant improvement in lowest oxygen saturation with the nasal dilators studied.

Do not use a strip to self-treat low overnight oxygen or replace prescribed CPAP. A comfortable-feeling nose does not establish that breathing pauses have stopped. The questions are different: nasal comfort is one outcome; a sleep-related breathing disorder needs appropriate assessment.

If someone notices breathing pauses, or you wake gasping or experience marked daytime sleepiness, describe these symptoms to a clinician. A wearable graph or another customer's experience cannot provide your diagnosis.

Why a home before-and-after test is not proof

The FDA notes pulse-oximeter limitations, including effects from circulation, skin temperature, pigmentation and nail polish.

A change between two readings cannot by itself show that the strip caused it. An unchanged reading also cannot tell you whether nasal breathing feels better. Do not use the experiment to diagnose a condition or change prescribed treatment.

Seek medical advice about concerning or repeatedly unusual readings. Severe breathing difficulty, chest pain or blue lips warrant urgent medical help, not another strip trial. MedlinePlus explains why symptoms matter alongside oximetry.

What is worth checking when you try a strip?

For a comfort trial, ask practical questions: does nasal breathing feel less restricted, is the position comfortable, do the edges stay down, and does your skin tolerate the adhesive? Keep those observations separate from race times or a wearable's oxygen estimate.

BreathersBliss Intense strips are external, drug-free, single-use strips designed for reinforced adhesion during sport. Their purpose does not require a guaranteed oxygenation claim. If nasal discomfort persists despite correct placement, seek its cause instead of stacking strips or chasing a higher reading.

Frequently asked questions