The aim of this study is to critically summarise the existing experimental studies that evaluate the potential impact of cranberries on cancer prevention and treatment. Blueberry as a promising natural source of potential nutraceuticals against cancer. Blueberries can be considered as an accumulation of potentially effective compounds similar to anticancer drugs. Blueberries can be seen as an accumulation of potentially effective anti-cancer drugs. Studies have shown that cranberries and their components can have anti-cancer properties. Limited in vivo studies have another potentially documented effect against cancer. Before carrying out any natural, integrative or conventional treatment, it is recommended that you consult a licensed physician. By providing the information in this document, we do not diagnose, treat, cure, alleviate or prevent any disease or medical condition. More than 500 pages of alternatives and information on natural medicine. The PubMed database has been searched to identify relevant studies. Medical Cancer medicinemedicine.