EBO2 (EBOO) therapy, explained with sources

EBO2, also called EBOO, runs your blood outside the body through a filter and a gas exchanger, where it meets an oxygen and ozone mix, then returns it. This site explains what the research shows and does not show, what it costs, what can go wrong, and which US clinics offer it.

The EBO2 (EBOO) circuitBlood leaves a vein in the arm, receives an anticoagulant, is pumped through a filter where it meets an oxygen and ozone mix across a membrane, and returns to the arm through a second line.arm1234
  1. Blood is drawn from a vein in the arm.
  2. An anticoagulant and a pump keep it flowing without clotting.
  3. A filter exposes the blood to an oxygen and ozone mix across a membrane.
  4. Blood returns to the arm through a second line.
Figure 1. The EBO2 circuit. Blue marks blood leaving the body; red marks blood coming back.

What the evidence says so far

Not FDA-approved

No EBO2 device or protocol is approved to treat any condition. The FDA considers ozone a toxic gas with no known useful medical application. What that means

A small research base

We track 6 published studies of EBOO itself; 3 of them describe a single patient or a small series. See the EBOO studies, annotated

Real risks

Any circuit that takes blood outside the body carries risks such as bleeding, clotting, infection, and air in the line. Side effects and safety

Start with the questions people ask first

Every guide cites its sources and names the limits of each study.

All 20 guides

How this site works

Read our editorial policy and medical review process.