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PB-100 is another name used for Pao Pereira, a natural extract taken from the bark of the Geissospermum vellosii tree found in South America. This extract contains plant chemicals such as flavopereirine, which have been studied in laboratories for their effects on cancer cells. PB-100 is linked to the Beljanski Protocol, a group of botanical products promoted by some alternative cancer care practitioners. However, it is important to know that PB-100 is not an approved cancer drug and has not been proven safe or effective for treating cancer in people.
Some people with cancer look for additional ways to support their treatment or reduce side effects. PB-100 and other extracts in the Beljanski Protocol are sometimes offered in alternative or integrative cancer care settings with the hope that they might slow cancer growth or help the immune system during chemotherapy or radiation. Laboratory and animal studies have suggested possible anticancer effects, but these findings have not been confirmed in human clinical trials. Because of this, PB-100 is not recognized as a standard or proven cancer treatment by mainstream medicine.
Patients may come across PB-100 when researching natural or botanical cancer treatments, especially within alternative medicine or integrative oncology communities. It might be mentioned in product descriptions, online articles, or by practitioners promoting the Beljanski Protocol. Some sources describe PB-100 as a natural, non-toxic option to support cancer treatment, but these claims are not backed by strong clinical evidence. It is important to approach such information carefully and discuss any interest in PB-100 with your cancer care team.
Hearing about PB-100 does not mean it is a proven or recommended cancer treatment. It is not approved by medical authorities for cancer therapy and should never replace standard treatments like surgery, chemotherapy, radiation, or targeted therapies. The idea that PB-100 selectively kills cancer cells while sparing normal cells is a hypothesis based on early research, not confirmed clinical fact. Using PB-100 without medical advice could carry risks, as natural does not always mean safe.
If you are curious about PB-100 or the Beljanski Protocol, consider asking your healthcare provider about what is known regarding safety and effectiveness, possible side effects, and how these products might interact with your current treatments. You can also ask if there are any clinical trials or research studies relevant to these extracts. Open communication helps ensure your care is safe and coordinated.
This information is provided to help you understand what PB-100 is and how it fits into cancer care discussions. It is not a recommendation or endorsement. Decisions about cancer treatment should always be made with your healthcare team, based on proven therapies and your individual situation. If you are considering PB-100 or similar products, talk openly with your doctors and nurses to make safe choices.
Public source information used for this glossary entry includes: