Skip to content
AlternativeMed

THERAPIES & TRADITIONS · GUIDE

Claim Check: "Breathwork Detoxes the Body and Releases Toxins"

A plain check of the claim that breathwork detoxes the body or releases toxins, covering what breathing actually removes and what the research on detox programs shows.

Content last updated . This page has not been medically reviewed.

Back to Breathwork & Relaxation

The claim

Some breathwork classes and posts say that special breathing "detoxes" the body, "flushes out toxins" or "cleanses" the organs.

Our verdict: no good evidence of benefit for this claim

We found no study showing that a breathing practice removes toxins beyond what ordinary breathing already does. Evidence label: marketing claim; Proper evidence not found for toxin removal by breathwork.

What we searched

We searched PubMed for "breathwork AND detoxification" and "breathing exercise AND toxin elimination" and got no results for either. We also read the US National Center for Complementary and Integrative Health (NCCIH) page on detoxes and cleanses and the National Heart, Lung, and Blood Institute (NHLBI) description of the lungs. Absence of studies is not proof that nothing happens, but a claim without any study behind it should be treated as unproven.

What breathing does remove

The NHLBI explains that in the lungs, carbon dioxide, a waste gas, moves from your blood to the lungs and is exhaled. [1] That is a real, constant process that happens with every breath, without any special technique. The sources we read do not show that a particular style of breathing removes anything else, and they do not describe a way to measure "toxins" leaving through the breath.

What "detox" means in the research

NCCIH describes "detoxes" and "cleanses" as diets, regimens and therapies suggested as ways to remove toxins from the body, lose weight or promote health. [2] It reports that a 2015 review concluded there was no compelling research to support "detox" diets for eliminating toxins from the body. [2] Those studies were about diets, not breathing, but they show how the word is used: often with little evidence behind it. NCCIH adds that some programs can be unsafe and falsely advertised. [2]

Why the claim sounds believable

  • Breathing out carbon dioxide is real [1], so "breathing releases waste" is partly true. The leap is to unnamed "toxins".
  • After a session, people may feel calm or tired. Slow breathing studies measure changes such as heart rate patterns, not toxin levels. [3]
  • The word "toxins" is rarely defined, so the claim cannot be tested.

Where to go next

For the wider detox picture, see detox and cleanse claims and the claim check Detoxifies the Body. For what breathing practices have been shown to do, see breathwork evidence overview.

Frequently asked questions

Does deep breathing remove toxins?

Proper evidence not found. Ordinary breathing removes carbon dioxide from the blood. [1] We found no study showing that deep or special breathing removes other substances.

Is exhaling carbon dioxide a form of detox?

It is the body's normal way of clearing a waste gas. [1] That is different from the claims made for "detox" programs, which NCCIH says lack compelling research for toxin removal. [2]

Why do I feel lighter or calmer after breathwork?

Slow breathing has been linked to changes in heart rate variability, a measure of heart rhythm patterns. [3] How you feel is a separate, self-reported matter, and the sources we read do not tie it to toxins.

Can detox claims be harmful?

Yes, some programs can be unsafe and falsely advertised, according to NCCIH. [2]

Should I try a breathwork detox class?

We do not list or rate classes. Ask what the claims are based on, and skip anything that promises to remove toxins or replace medical care.

More details: evidence, limits and cautions

The details behind this page: cautions, limits of the evidence and where sources disagree. Open any note to read it.

Safety note
Do not try to force more "release" by breathing harder or holding your breath. We give no instructions for overbreathing or breath-holding, and sources document serious harms, including a drowning report involving hyperventilation before submersion. [4] Read our breathwork safety guide. If you worry about a possible poisoning or exposure, see poisoning: what to do first; in the US, Poison Help is 1-800-222-1222.
References
  1. NHLBI, The Lungs. U.S. National Heart, Lung, and Blood Institute. Read 2026-10-22.
  2. NCCIH, "Detoxes" and "Cleanses": What You Need To Know. U.S. National Institutes of Health. Read 2026-10-22.
  3. Laborde et al., Effects of voluntary slow breathing on heart rate and heart rate variability: a systematic review and a meta-analysis. Neuroscience & Biobehavioral Reviews, 2022. Abstract read 2026-10-22.
  4. Boyd et al., Fatal and nonfatal drowning outcomes related to dangerous underwater breath-holding behaviors, New York State, 1988-2011. MMWR, CDC, 2015. Abstract read 2026-10-22.
Education, not medical advice. This page is for general information. It does not diagnose or treat any condition and is not a substitute for care from a qualified health professional. Natural does not automatically mean safe. Ask a clinician or pharmacist before changing your care, especially if you take medication, are pregnant or breastfeeding, or have a health condition.