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