Oncostop is a bioorganic complex based on extracts of chaga birch, shitake, rishi and others, designed specifically to support the activity of the immune system and healthy longevity. Polysaccharides and amino acids contained in the Oncostop complex have shown their effectiveness in fighting aging process, removing of heavy metals, free radicals and radionuclides, as well as the preventive and auxiliary therapy for cancer of various etiologies.

To date, the most studied mushrooms in the world that are part of the Oncostop complex are chaga and shitake, there are more than 40 thousand publications, monographs and scientific articles about them. In the East, these mushrooms are rightfully called "mushrooms of longevity", "eternal youth" and "elixir of life" or "Health powder".

The Oncostop remedy contains ergosterol (a natural component of the cordyceps mushroom), which is converted into vitamin D3 under the influence of sunlight. Shiitake extract contains zinc, copper, iron, magnesium oxide, nitrogen, phosphorus, potassium, sodium, calcium, magnesium.

One of the most important components of the Oncostop complex is the polysaccharide lentinan, which plays an important role in maintaining the links of the immune system that prevent cell degeneration and thereby fight the formation of cancer cells.