Vitamins | Nutri-IQ

Vitamin A: Reference and Dietary Sources

August 12, 2019May 9, 2023 admin carotenoid toxicity, Dietary sources, Dietary Sources of Vitamin A, Vitamin A deficiency, Vitamin A toxicity

Identified Vitamin A dietary sources (highest in liver and fish oils), provided reference values, and described testing methods, benefits, and toxicity.

Vitamins

Vitamin B1 (Thiamin): Reference and Dietary Sources

August 12, 2019May 9, 2023 admin Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Thiamin, Dietary Sources of Thiamine (Vitamin B1), Dietary Sources of Vitamin B1, Vitamin B1 deficiency, Vitamin B1 toxicity

Food sources of thiamin include whole grains, meat, and fish. Breads, cereals, and infant formulas in the United States and many other countries are fortified with thiamin.

Vitamins

Vitamin B2 (Riboflavin): Reference and Dietary Sources

September 3, 2019May 9, 2023 admin Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Riboflavin, Dietary Sources of Vitamin B2, Riboflavin deficiency, Vitamin B2 deficiency, Vitamin B2 toxicity

The largest dietary contributors of total riboflavin intake are milk and milk drinks, bread and bread products, mixed foods whose main ingredient is meat, ready-to-eat cereals, and mixed foods whose main ingredient is grain.

Vitamins

Vitamin B3 (Niacin): Reference and Dietary Sources

September 3, 2019May 9, 2023 admin Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Vitamin B3, Niacin deficiency, Niacin toxicity, Vitamin B3 deficiency, Vitamin B3 toxicity

Niacin is present in a wide variety of foods. Many animal-based foods—including poultry, beef, and fish—provide about 5-10 mg niacin per serving, primarily in the highly bioavailable forms of NAD and NADP. Plant-based foods, such as nuts, legumes, and grains, provide about 2-5 mg niacin per serving, mainly as nicotinic acid.

Vitamins

Vitamin B5 (Pantothenic Acid): Reference and Dietary Sources

September 5, 2019May 9, 2023 admin deficiency of Pantothenic acid, deficiency of vitamin b5, Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Pantothenic acid, Dietary Sources of Vitamin B5, toxicity of Pantothenic acid, toxicity of vitamin B5

Some of the richest dietary sources of pantothenic acid are beef, chicken, organ meats, whole grains, and some vegetables. Limited data indicate that the body absorbs 40%–61% (or half, on average) of pantothenic acid from foods.

Vitamins

Vitamin B6: Reference and Dietary Sources

September 5, 2019May 9, 2023 admin deficiency of vitamin B6, Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Vitamin B6, toxicity of vitamin B6

Vitamin B6 is found in a wide variety of foods. The richest sources of vitamin B6 include fish, poultry, beef liver and other organ meats, potatoes and other starchy vegetables, fruit (other than citrus), and fortified cereals. About 75% of vitamin B6 from a mixed diet is bioavailable.

Vitamins

Folate (Vitamin B9): Reference and Dietary Sources

September 17, 2019May 9, 2023 admin deficiency of folate, deficiency of folic acid, Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Folate, Dietary Sources of Folic Acid, Dietary Sources of Vitamin B9, toxicity of folate, toxicity of folic acid

Folate is naturally present in vegetables (especially dark green leafy vegetables), fruits and fruit juices, nuts, beans, peas, seafood, eggs, dairy products, meat, poultry, and grains. Spinach, liver, asparagus, and brussels sprouts are among the foods with the highest folate levels.

Vitamins

Vitamin B12 (Cobalamin): Reference and Dietary Sources

September 5, 2019May 9, 2023 admin deficiency of cobalamin, deficiency of vitamin b12, Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Vitamin B12, Folic acid and vitamin B12, toxicity of cobalamin, toxicity of vitamin B12

Vitamin B12 is naturally found in animal products, including fish, meat, poultry, eggs, milk, and milk products. Some nutritional yeast products also contain vitamin B12. Fortified foods vary in formulation.

Vitamins

Biotin: Recommendations and Dietary Sources

September 17, 2019May 9, 2023 admin deficiency of biotin, Dietary sources, Dietary Sources of B-Vitamins, Dietary Sources of Vitamin B12, toxicity of biotin

Foods that contain the most biotin include organ meats, eggs, fish, meat, seeds, nuts, and certain vegetables (such as sweet potatoes).

Vitamins

Choline: Reference and Dietary Sources

September 17, 2019May 9, 2023 admin deficiency of choline, Dietary sources, Dietary sources of Choline, toxicity of Choline, TPN

The main dietary sources of choline are meat, poultry, fish, dairy products, and eggs. Cruciferous vegetables and certain beans are also rich in choline. Other dietary sources of choline include nuts, seeds, and whole grains.

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