Muhammad Naim RuslanNurul Farihan Mohamed2024-05-302024-05-302020-12-25e-ISBN: 978-967-440-873-2https://kosist2020.wixsite.com/website/e-proceedinghttps://oarep.usim.edu.my/handle/123456789/17815E-Proceeding Kolokium Siswazah Fakulti Sains Dan Teknologi 2020 (KOSIST 2020) “Synergizing Innovation and Research Through Science and Technology” 9th December 2020 Organized by Faculty Science and TechnologyIn everyday life, it is importance to practice a good diet because human body needs a reasonable amount of nutrients. This is because if excessive nutrient intake can lead to internal organs failure such as kidney damage. This study focuses on minimizing the intake of vitamin A in the daily diet because of vitamin A is able to give good vision, maintain healthy skin and improve body immune system. This research involves a few nutrients such as calcium, iron, cholesterol and the vitamin A. The diet problem of minimizing vitamin A will be solved by using the graphical method and excel solver. The results are compared to determine which methods is the best. The result is expected to get the optimal solution which is the minimal amount of vitamin A from one of the methods.en-USdiet problem, linear programmingArticle6870