HOSA - Fat soluble vitamins

Fat soluble vitamins

Vitamins A, D, E, and K

Vitamin A

Formation of epithelial tissues, healthy skin and hair, healthy eyesight

and development of bone tissue

Vitamin A sources

• Liver, omega-3 fatty acids, egg yolks, and whole-fat dairy products are good sources of preformed vitamin A

• winter squash, carrots, broccoli, cantaloupe, and apricots are good sources of provitamin carotenes

Vitamin A deficiency

Leading cause for blindness

Vitamin A surplus

Toxicity; it causes severe headaches, bone pain, dry skin, hair loss, vomiting, and liver damage

Vitamin D

Regulates calcium levels of the bloodstream for healthy nerve function, bone growth/maintenance; it also contributes to bone health

Vitamin D sources

• provitamin D₂ (ergocalciferol) is found in plant foods

• provitamin D₃ (cholecalciferol) is found in animal foods and exposure to the sun

  • fatty fish, omega-3 fatty acids, eggs, butter, and vitamin D fortified milk and margarine

Vitamin D deficiency

Rickets and Osteomalacia

Vitamin D surplus

organs become hard and unable to perform vital functions

Vitamin E

an antioxidant that deactivates free radicals and maintains a healthy immune and nervous system

Vitamin E sources

Vegetable oils, some fruits and vegetables, and margarine

Vitamin E deficiency

• premature babies won’t have enough vitamin e stores, causing erythrocyte hemolysis

• negatively affect speech, vision, and muscle coordination

vitamin E surplus

digestive problems and nausea or interfere with blood clotting

Vitamin K

Makes proteins needed in the coagulation of blood and that helps collect minerals for the bones

Vitamin K sources

green leafy vegetables, liver, fruits, milk, meat, eggs, and grain products

Vitamin K deficiency

newborns don’t have enough intestinal bacteria to synthesize vitamin K

vitamin K surplus

Jaundice and brain damage