About Us Learn more about our foundation and Beta-Mannosidosis Beta-Mannosidosis Beta-mannosidosis is a rare inherited condition that disrupts how the body breaks down certain sugars. To learn more, click the link below. Learn more here → In the News Latest news highlights featuring patients and families from our organization. Learn more here → The Lost Enzyme Project Team Learn more about our team members and their backgrounds. Learn more here → Patient Blog Follow patients in their Beta-mannosidosis journey. Learn more here → Newsletter On this page, you can find past TLEP Newsletters and to share with your friends and family. Learn more here →