Source, functionality, and recommended intake of fat-soluble vitamins

VitaminRDASourcesFunctionsReference
AChildren: 400–600 μg/day; adults: 800–1,300 μg/dayPlant sources: broccoli, carrots, kale, mangoes, pumpkin, red peppers, spinach, sweet potatoAntioxidant, bone development, eye integrity, growth of epithelial tissue, immunity, reproductive functions[4, 7, 12]
Animal sources: dairy, egg yolk, fish oil, liver
DChildren: 10–15 μg/day; adults: 15–20 μg/dayPlant sources: mushrooms, dark chocolateBone mineralization, calcium and phosphorus absorption, cardiovascular health, immunity[7, 12, 20]
Animal sources: cheese, eggs, fish, liver
EChildren: 4–11 mg/day; adults: 16 mg/dayPlant sources: almonds, asparagus, broccoli nuts, oils (corn, palm, peanut, sunflower, soy), pumpkin, spinach, wheat germAntioxidant, anti-inflammatory, atherosclerosis prevention, calcium and phosphorus homeostasis, erythropoiesis, immunity, neuroprotective[1, 7, 12, 14, 16]
Animal sources: fish
KChildren: 30–75 μg/day; adults: 90–120 μg/dayPlant sources: asparagus, broccoli, cabbage, spinachBone metabolism, prevention of calcification of blood vessels[6, 7, 12]
Animal sources: beef, egg, fish, liver