Simple searching app for food nutrient

Hi everyone!
Some of my friends and family usually ask me: which food is rich in calcium or iron? because I need more of these. I don’t always remember the food content that’s why I created this small dataviz. So, my goal here is to show to a consumer a list of foods rich in some nutrients like fiber, iron ecc. These data are from 3 databases: Openfood facts, Fao and Usda
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