** Resources/references used for this article:
https://ods.od.nih.gov/factsheets/VitaminC-Consumer/
https://www.bbcgoodfood.com/howto/guide/health-benefits-broccoli
https://www.healthline.com/health/food-nutrition/foods-that-boost-the-immune-system
https://www.healthline.com/nutrition/benefits-of-cabbage
https://www.healthline.com/nutrition/sweet-potato-benefits#section1