Contraindications Of Ozone Therapy

Ozone Therapy has been proven, consistent, safe and with minimal (0.000007%) and preventable side effects.

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Ozone Safety

In spite of the so-called ozone “toxicity”, the incidence of adverse reactions is only 0.000007%, one of the lowest in medicine!  Even a Panadol is more harmful and has a lot more side effects.

When used properly, ozone therapy is considered a wholesome treatment with proven effects that are consistent and safe. Quality of life has been evaluated in a small sample of ozone therapy patients, and in accordance with the International Quality of Life Assessment, these patients reported an excellent quality of life following ozone therapy. Because of this feeling of wellness, patients also demonstrate excellent compliance rates.

“Ozone therapy has been utilized and heavily studied for more than a century. Its effects are proven, consistent, safe and with minimal and preventable side effects. Medical O3 is used to disinfect and treat disease. Mechanism of actions is by inactivation of bacteria, viruses, fungi, yeast, and protozoa, stimulation of oxygen metabolism, activation of the immune system.”

— Elvis, A.M.
Ozone Therapy: A Clinical Review

Inhaling of Ozone is toxic, how can it be safe then to use internally?

Let’s clarify one important point: Ozone is toxic for inhalation.

This statement is true.

Our alveolar surface in the lungs is protected by a small amount of antioxidant content, which is insufficient in extinguishing the strong oxidant activity of ozone. In other words, your lungs simply don’t have enough antioxidants to deal with the potent power of this oxidative therapy.
That's why breathing ozone in larger concentrations is harmful to the human being.

Nevertheless, the exact opposite is true for our blood and internal components as both our plasma and blood cells have a remarkable quantity of cooperating antioxidants. When administered ozone reacts within seconds with the organic components such as cells, blood, viruses, bacteria etc. and generates a number of chemical messengers responsible for activating crucial biological functions.

The free oxygen atom has the ability to combine and effect other substances which is the basis for ozone’s reactivity. 


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The eyes and lungs are very sensitive to ozone as they have minimal antioxidant and neutralizing capabilities and therefore ozone gas in greater concentrations should never contact eyes and lungs.

Ozone is contraindicated in patients with a significant deficit of Glucose-6-phosphate dehydrogenase deficiency (G-6PD- which is an inherited condition – causing red blood cells to break down in response to certain medication, infections or other stresses). This enzyme provides crucial reducing equivalents able to eliminate excessive oxidation and intensive haemolysis.

Ozone is contraindicated in pregnancy, merely as a precaution. In most European countries pregnant mothers are treated with ozone to provide extra oxygen and immunity to the baby. Also they do treat fresh born babies with ozone to help build a proper gut flora and to combat diseases like allergies, celiac and more which may have transferred from the mother.

Patients being treated with ACE inhibitors should be cautious with ozone and consult a practitioner.

Abnormal situations with hyperthyroidism, thrombocytopenia and serious cardio-vascular instability should also consult a practitioner before commencing with ozone therapy.

Summary of Contra-Indications

  1. All cases with Blood Coagulation Failure
  2. Bleeding Organs
  3. Thrombocytopenia
  4. Uncontrolled hyperthyroidism
  5. Acute alcohol intoxication
  6. Pregnancy
  7. Ozone Sensitivity / Allergy (very rare)
  8. Hemorrhagic or Apoplectic Stroke
  9. G6PD (extremely rare)

Side - Effects of Ozone

Allergic skin reactions are possible, although they are very uncommon. Rarely, patients experience an allergic skin reaction to a local topical application of ozone, which presents as a minor rash.
The two possible reasons for this rash could be a Herxheimer reaction (microbial die off) or an individual with a very low antioxidant status, unable to combat the ozone oxidation until these levels are restored.

Patient’s with serious chronic diseases such as Lyme disease should start slowly so that the body is not overwhelmed with the sudden change of higher oxygen availability, die off of pathogens and increase detoxification capacity. Ozone Therapy is still very well tolerated. Some patients may complain about weakness, slight dizziness, or sleepiness shortly during and after the the administration of ozone therapy.

A study of nearly 400,000 patients documented the frequency of side effects as occurring 1:1000-1:2000, making it statistically one of the safest drugs available.

“It depresses me to think that ozone, the cheapest drug on earth, is today either badly or minimally used because orthodox medicine refuses to evaluate it and Health Authorities are antagonistic or negligent. Both are responsible for leaving millions of people suffering and dying. I must not get discouraged and continue to work and hope that ozone therapy will eventually benefit many people.”

– Dr. Vellio Bocci –

How to increase low Antioxidant levels

If your antioxidant levels are low than it is advisable to increase them. This can be achieved via antioxidant rich food or supplementation.

Antioxidant foods:
Berries (blueberries, goji berries, blackberries, raspberries, cranberries, elderberries), artichokes, dark chocolate, kidney beans, pecan nut, cilantro, broccoli, kale and spinach are examples of foods high in antioxidant levels.

Antioxidant supplements:
Glutathione, Quercetin, Vitamin C, Vitamin E, Astaxanthin, Resveratrol, Curcumin, Green tea extract, R-Lipoic Acid.


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Welcome to my Ozone Research

My name is Marcus Freudenmann. I am not a doctor and do not diagnose, treat or give medical advice with these videos. 

I share with you what I have learned from extensive research and from interviewing and editing hundreds of doctors for the documentary “CANCER is curable NOW” 

There are so many treatments & therapies available in other countries that I have decided to share with you how they work and what they are used for. 

All treatments that I show you have published research studies. You can find these studies on the training pages. I do hope this information offers you alternatives, which you and your health practitioner may investigate further.

With my Name and Email below I declare that I have read this disclaimer and will check with my health care provider prior to taking action.