Dietary Reporting In The Amyloidoses

The 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

Inclusion Criteria: * 18 years of age or older * Diagnosed with any type of amyloidosis * Speak, read and write in English * Willing to use the MyFitnessPal app on their own smartphone Exclusion Criteria: * a planned autologous stem cell transplant or a solid organ transplant in the 12 weeks after enrollment * cognitive or perceptual disturbances