Abstract Background Infantile Juvenile polyposis of infantile (JPI) is a rare and aggressive form of juvenile polyposis syndrome (JPS) typically diagnosed in the first year of life. It often carries a poor prognosis due to chronic gastrointestinal bleeding. protein-losing enteropathy. malnutrition and immune deficiency. https://www.parisnaturalfoodes.shop/product-category/canadian-pine-bark-extract/