| |
|
|
| |
 |
|
| |
Vitamin A
Common names |
- Vitamin A, Retinol, Retinal, Retinoic acid, Carotene
|
|
Recommended Intake |
|
What's Vitamin A for? |
-
Vital for vision, particularly night vision
-
Repairs tissue and bone
-
Involved in reproduction and fetal development
-
Helps the immune system to fight off infections from bacteria and viruses
|
|
Best Food sources |
-
Whole eggs, milk products, beef liver
-
Non-fat and low-fat dairy products. They are fortified with vitamin A to replace what is lost in fat removal
-
Dark greens and rich yellow / orange fruit and vegetables, especially carrots, cantaloupes and sweet potatoes
|
|
|
|
| |
Vitamin C
| |
Recommended Intake |
- Males ≥ 19 years: 90 mg/day
- Females ≥ 19 years: 75 mg/day
|
What's Vitamin C for? |
-
Protects against the harmful effects of free radicals (an antioxidant)
-
Assists in the formation of collagen, which is important for the health of blood vessels and gums, development of bones and teeth, and wound healing
-
Helps resist infection, preventing and treating the common cold
-
Has been found to decrease risk of cancer, heart disease, cataracts, and other diseases
|
|
Best Food sources |
-
Fruit and vegetables. Particularly excellent sources are red bell peppers, kiwi, oranges, broccoli, strawberries, tomato juice, watermelon, potatoes, bananas, and carrots
|
|
|
|
| |
Vitamin D
| |
Recommended Intake |
-
Males and females 19-50 yrs: 5 ug/day (200 IU/day)
-
Males and females 51-70 yrs: 10 ug/day (400 IU/day)
-
Males and females > 70 yrs: 15 ug/day (600 IU/day)
Note: these intakes assume no vitamin D is being synthesized in the body from sunlight |
What's Vitamin D for? |
-
Maintains levels of calcium and phosphorous in the body, thus assisting in bone and teeth formation
-
Prevents bone deformation diseases, such as rickets in children and osteomalacia in adults
-
Assists in immune function, cell growth, and fetal development
-
Lately, it has been shown to lower cancer risk
|
|
Best Food sources |
-
Synthesized in the skin upon exposure to the UV rays in sunlight
-
Fatty fish sources, such as cod liver oil, salmon, tuna, sardines, and mackerel
-
Milk and some breakfast cereals are fortified with vitamin D
-
Egg yolk, beef liver, swiss cheese
|
|
|
|
| |
Vitamin E
| |
Recommended Intake |
|
What's Vitamin E for? |
-
Acts as an antioxidant, scavenging for free radicals that can damage cells and contribute to cardiovascular disease and cancer
-
Contributes to immune function and DNA repair
|
|
Best Food sources |
-
Vegetables oils (such as those in salad dressings and margarine), especially wheat germ oil
-
Fortified cereals
-
Green leafy vegetables, nuts, beans, and whole grains
|
|
|
|
| |
Vitamin K
| |
Recommended Intake |
|
What's Vitamin K for? |
- Plays an important role in blood clotting, thereby preventing hemorrhagic disease
- Involved in the synthesis of bone proteins
|
|
Best Food sources |
-
Main sources are green leafy vegetables, cabbage, and beef liver
-
Found to a lesser extent in milk, eggs, meats, cereals, and other fruits and vegetables
|
|
|
|
| |
Thiamin
| |
Recommended Intake |
|
What's Thiamin for? |
-
Involved in obtaining energy from carbohydrates
-
Assists in nervous system, heart, and muscle function
-
Regulates appetite
|
|
Best Food sources |
-
Occurs in many foods in small amounts, but is not found in refined foods
-
Particularly abundant in pork, seafood, pinto beans, wheat germ, whole and enriched grains, potatoes, tomato juice, watermelon, and oranges
|
|
|
|
| |
Riboflavin
| |
Recommended Intake |
- Males ≥ 19 years: 1.3 mg/day
- Females ≥ 19 years: 1.1 mg/day
|
What's Riboflavin for? |
- Required for the release of energy from carbohydrates, fat, and protein for use in the body
- Involved in iron transport and metabolism
- Plays a role in mucous membrane and skin functions
|
|
Best Food sources |
- Best source is dairy products
- Also found in whole and enriched grain and cereal products, dark green leafy vegetables, liver, beef, lamb, eggs, and nutritional yeast
|
|
Niacin
| |
Recommended Intake |
|
Note: Niacin can be made in the body from tryptophan (an amino acid), thus the recommended intake for niacin assumes that some niacin will be obtained from tryptophan |
What's Niacin for? |
-
Releases energy from carbohydrates, protein, and fat in food
-
Involved in the maintenance of mucous membranes, skin, and the gastrointestinal tract
-
Assists in nerve function and blood circulation
-
Regulates appetite
-
Prevents pellagra, a disease that causes diarrhea, dermatitis, dementia, and even death
|
|
Best Food sources |
-
Because niacin can be made from tryptophan, which is found in protein, any diet high in protein will not likely be lacking in niacin
-
Niacin is found in meat, liver, poultry, fish, beans, nuts, whole and enriched grains, peas, mushrooms, asparagus, and leafy green vegetables
|
|
|
|
| |
Vitamin B6
| |
Recommended Intake |
-
Males 19-50 years: 1.3 mg/day
-
Males 51+ years: 1.7 mg/day
-
Females 19-50 years: 1.3 mg/day
- Females 51+ years: 1.5 mg/day
|
What's Vitamin B6 for? |
-
Part of carbohydrate and protein metabolism
-
Assists in the formation of the vitamin niacin from tryptophan
-
Involved in immune and nervous system function
-
Prevents anemia by playing a part in iron transport and metabolism
-
Maintains normal blood sugar levels
-
Maintains normal homocysteine levels, thereby reducing risk of heart disease
|
|
Best Food sources |
-
Meats, fish, poultry, beans, eggs, potatoes, some fruits and vegetables like watermelon and bananas
|
|
Vitamin B12
| |
Recommended Intake |
-
Males & Females ≥ 19 years: 2.4 ug/day
Because 10 to 30% of older people may malabsorb food-bound B12, it is advisable for those older than 50 years to meet their recommendation mainly by consuming foods fortified with B12 or a supplement containing B12. |
What's Vitamin B12 for? |
-
Helps release energy from carbohydrates, fat, and protein
-
Activates the metabolically active form of folate
-
Prevents anemia
-
Involved in nervous system maintenance, blood cell formation, and bone metabolism
|
|
Best Food sources |
-
Meat, poultry, fish, eggs, milk and milk products
-
Found in vitamin B12 fortified foods, such as breakfast cereals
|
|
Pantothenic Acid
Common names |
- Pantothenic Acid, Pantothenate, Vitamin B5
|
|
Recommended Intake |
|

|
What's Pantothenic Acid for? |
-
Helps convert food into energy as part of Coenzyme A (CoA)
-
Involved in vitamin utilization
-
Assists in nerve function
|
|
Best Food sources |
-
Found in most animal and plant foods, such as beef, poultry, whole grains, legumes, tomatoes, broccoli, potatoes
|
|
Biotin
| |
Recommended Intake |
|
What's Biotin for? |
-
Involved in the release of energy from carbohydrates, fat, and protein
-
Assists in fatty acid synthesis
-
Essential in gluconeogenesis, the breakdown of protein for energy during starvation
- Part of B vitamin utilization
|
|
Best Food sources |
-
Very widespread in foods
-
Particularly abundant in egg yolk, meat, fish, soybeans, dairy, whole grains, and dark green vegetables
-
Synthesized in the GI tract by intestinal microorganisms, but not enough to be the sole source
|
|
Choline
| |
Recommended Intake |
|
What's Choline for? |
-
Structural component of the phosphatidylcholine, which is essential for the structure of cell membranes
-
Involved in the production of acetylcholine, a neurotransmitter
-
Serves as a precursor for betaine, which may be useful in preventing cardiovascular disease
|
|
Best Food sources |
-
Dairy, eggs, peanuts, soya, liver, cauliflower, iceberg lettuce
|
|
Folate
| |
Recommended Intake |
|
Note: It is recommended that all women of child-bearing ages consume 400 ug from supplements or fortified foods in addition to intake of food folate from a balanced diet. |

|
What's Folate for? |
-
Part of an enzyme complex that assists in releasing energy from food
-
Reduces risk of brain and spinal cord damage during first weeks of pregnancy
-
Helps ensure proper cell division and red blood cell formation occurs
-
Involved in converting vitamin B12 to its metabolically active form
-
Defends against anemia and cancer
|
|
Best Food sources |
-
Leafy green vegetables, citrus fruits and fruit juices, dried beans and peas, poultry, enriched grain products
|
|
|
|
| |
|
|
|
|