RecruitingClinical trialDietary Reporting in the AmyloidosesThe goal of this clinical trial is to learn about malnutrition and weight loss in patients with Amyloidosis. The main question it aims to answer is: Is it feasible to use a low-cost nutrition-based application (apps) for use on a smartphone to obtain detailed information on caloric intake in Amyloidosis patients Participants will be asked to: * Download the MyFitnessPal application on their smartphone and view an online tutorial * After a week of practice, from weeks 2-9, participants will enter daily dietary intake as well as daily herbal/alternative supplement intake into the MyFitnessPal application on their smartphone. * complete a questionnaire prior to starting the application, after week 2 and at week 10 after starting the application