By Dr. Chris Cormier, DC — BodyCharger
Most people who go looking for this assume the answer is to breathe more, and that is the one thing that will not work.
The reason is worth two minutes, because once you see it, everything that does work becomes obvious — and almost all of it is free.
Start with the good news about your blood
If you are generally well, the oxygen in your bloodstream is almost certainly fine.
MedlinePlus puts the normal range at 95% to 100% for oxygen saturation, and a healthy person sitting at rest is usually very near the top of it. There is no meaningful headroom to fill by breathing harder — the carrying system is already close to full. That is not a disappointment. It means the lever is somewhere more interesting.
Before going further: this page is for people who feel broadly well and want to function better. If you are getting short of breath, having chest pain or tightness, or noticing bluish lips or nails, that is a doctor conversation rather than a lifestyle one. MedlinePlus advises contacting a provider at a reading of 92% or lower, and seeking immediate attention at 88% or lower.
So where is the actual lever?
Getting oxygen into your blood is the easy half. The half that varies enormously between people is what happens next.
Oxygen is not a fuel tank you fill. It is a delivery service, and the delivery is the part you can improve.
What differs between a person who feels sharp at three in the afternoon and one who does not is rarely how much oxygen they took in. It is how well it is carried, where it is directed, and how efficiently the cells receiving it use it. Those are circulation and demand questions, and they respond very well to ordinary things. The fuller mechanism is written up at EBOO Prime.
Which gives three levers worth your attention, in order of how much they actually move.
Lever one: movement, which is not the answer people want
This is by far the biggest, and it is the least popular, so I will keep it short.
Delivery follows demand. When you move, your heart rate rises, blood vessels in working tissue open, and more blood reaches more places — including places that get very little when you sit still for nine hours. Nothing you can do with your breathing comes close to what movement does to actual oxygen delivery.
The practical version is unglamorous:
- Move before the sedentary part of your day, not after it. Ten minutes is enough to notice.
- Break up long sitting. A few minutes every hour beats one virtuous hour at six o’clock.
- Include something that makes you breathe harder, a few times a week — a hill, stairs, a faster stretch.
- Vary it. Balance, direction changes, full ranges — how to keep your nerves healthy has the small daily pieces.
Lever two: breathe better, not more
Here is where the common advice goes wrong. The goal is not volume. It is quality and efficiency.
Through the nose
Nasal breathing conditions the air, slows it, and encourages a lower, fuller breath. Mouth breathing through a busy day tends to be fast, shallow and high in the chest. Switching the default is free and takes about a week of noticing.
Lower, not higher
A good breath moves your lower ribs outward and your belly gently forward. If your shoulders are rising, the breath is happening in the smallest and least useful part of the lungs. Put one hand on your lower ribs and one on your chest: the lower hand should do most of the moving.
Slower, with a longer exhale out
Slowing down and extending the out-breath improves the efficiency of each cycle and recruits the calming side of the nervous system at the same time. Two or three minutes, twice a day. If your interest is specifically in switching off rather than functioning better, the fuller protocol for that is how to relax when your mind will not switch off.
And the posture point nobody mentions
You cannot breathe well folded over a laptop. The ribcage has to be able to move. A chair that lets you sit tall does more for your breathing than any technique practised twice a day in a position you never otherwise hold.
Lever three: the air in the room
The least considered of the three, and the easiest to fix.
- Open a window daily, even briefly, even in winter. Sealed modern homes accumulate stale air.
- Get air moving where you sleep. You spend a third of your life in one room — ventilation there is covered in how to sleep better naturally.
- Get outside properly, ideally early. Daylight and fresh air at the same time does two jobs at once.
What about hydration and food?
Both matter, and both are supporting acts rather than levers.
Blood is mostly water, and a well-hydrated system circulates more easily — so drink early, because everybody wakes dehydrated and most people reach for coffee first. On food, the relevant piece is iron, since that is what carries oxygen in red blood cells. That is a blood test question rather than a supplement-aisle one — iron is one of the things where more is not automatically better, so get it checked rather than guessed.
The one thing that is not a home job
People ask us about hyperbaric chambers often, and BodyCharger exists to bring good technology into the house, so it is worth being direct about the exception.
A hyperbaric chamber is a pressurised environment with a high oxygen concentration, and that combination creates a genuine fire risk. Harvard Health notes that the FDA recommends receiving hyperbaric oxygen therapy only at an accredited facility, with proper supervision and a protocol for stopping safely. Pressure also has to be managed through your ears, and there is a real screening list — lungs, sinuses, eyes, certain medications, implanted devices — that belongs with a clinician rather than a user manual.
So this is the one we send people out of the house for. If you want to understand what it is and what it is actually cleared to treat, the honest write-up is hyperbaric oxygen therapy at The Nerve Health Institute — including the conditions it is not cleared for, which is the part most pages leave out.
How long before any of this shows
Movement you may notice the same morning. The breathing changes compound over a couple of weeks rather than switching on, because you are changing a default rather than performing an exercise. Ventilation and daylight are quiet background improvements you notice by their absence.
If you are rebuilding after a long illness, the pacing matters more than the content — that is covered in how to recover from a long illness.
If you want it as a structure
All of the above works. What usually goes wrong is that it is four separate good intentions competing with a normal week.
The 28-Day Cell Sparking Challenge sequences them so the deciding is already done, and the framework underneath is the OWL Method — oxygen, water and light, in that order, because that is the order they matter in. The tracks for female health and male health sit inside the membership.
Frequently asked questions
How can I increase oxygen in my body naturally?
Focus on delivery rather than intake. Movement is the biggest lever, because blood flow follows demand. Then breathe better rather than more — nose, lower ribs, slower with a longer exhale — and keep the air in your home moving. Hydration and iron status are supporting factors.
Am I oxygen deficient?
If you are generally well, almost certainly not. MedlinePlus gives the normal saturation range as 95% to 100%, and healthy people at rest usually sit near the top of it. What varies between people is delivery to tissue and how efficiently cells use it, which is where the useful work is.
Does deep breathing increase oxygen levels?
It does not meaningfully raise blood oxygen saturation, because that system is already close to full in a healthy person. What better breathing does improve is efficiency, ribcage mechanics and nervous system balance — all worth having, just not by the mechanism people assume.
Is exercise really better than breathing exercises for this?
For actual oxygen delivery, yes, and not by a small margin. Movement raises circulation and opens vessels in working tissue, reaching places that get very little during a sedentary day. Do both, but if you only do one, move.
Should I buy a pulse oximeter?
Only if there is a reason to monitor. Readings can be 2% to 4% out, and watching a number that is normal tends to create worry rather than resolve it. If you are breathless, have chest pain or tightness, or notice bluish lips or nails, that warrants a provider rather than a gadget.
Can I use a hyperbaric chamber at home?
This is the one thing we do not treat as a home activity. Pressurised high-concentration oxygen carries a real fire risk, and Harvard notes the FDA recommends treatment only at an accredited facility with supervision. There is also a genuine screening list that belongs with a clinician.
Start tomorrow morning
Ten minutes of movement and some daylight before the sitting starts, a window open while you do it, and a glass of water before the coffee.
That is the whole of lever one and most of lever three, it costs nothing, and you will feel it by the afternoon. When you want the structured version, the 28-Day Cell Sparking Challenge is inside the BodyCharger membership.
Dr. Chris Cormier, DC
BodyCharger — at-home protocols for everyday health
Clinic care at nervehealth.com. Circulation and oxygenation at ebooprime.com. More on how I practise at drchriscormier.com.
Spark your cells to optimal longevity.
