Question

what is the main source of vitamin

Answer 1

sources of vitamin A are milk, eggs, liver,

Vitamin B12 is found naturally in animal products (such as fish, poultry, meat, eggs, or dairy);

sources of vitamin C include: Broccoli, Brussels sprouts, and cauliflower.

contain vitamin D. The flesh of fatty fish (such as salmon, tuna, and mackerel) and fish liver oils

Answer 2

1)Vitamin A prevents eye problems, promotes a healthy immune system, is essential for the growth and development of cells, and keeps skin healthy.Good sources of vitamin A are milk, eggs, liver, fortified cereals, darkly colored orange or green vegetables (such as carrots, sweet potatoes, pumpkin, and kale), and orange fruits such as cantaloupe, apricots, peaches, papayas, and mangos.Vitamin C is needed to form collagen, a tissue that helps to hold cells together. It's essential for healthy bones, teeth, gums, and blood vessels. It helps the body absorb iron, aids in wound healing, and contributes to brain function.You'll find high levels of vitamin C in citrus fruits, strawberries, kiwi, guava, peppers, tomatoes, broccoli, and spinachVitamin D strengthens bones because it helps the body absorb bone-building calcium.This vitamin is unique — your body manufactures it when you get sunlight on your skin! You can also get vitamin D from egg yolks, oily fish such as salmon, tuna, and sardines, and fortified foods like milk, soy milk, and orange juice.Teens need 15 micrograms (600 IU) of vitamin D from food or supplements every day. Vitamin E is an antioxidant and helps protect cells from damage. It is also important for the health of red blood cells.Vitamin E is found in many foods, such as vegetable oils, nuts, and green leafy vegetables. Avocados, wheat germ, and whole grains are also good sources.