Parietal Cells: Gastric cells responsible for the secretion of hydrochloric acid and intrinsic factor. Intrinsic Factor: A glycoprotein essential for vitamin B12 absorption; its deficiency leads ...

Women who might become pregnant should be especially cautious with vitamin A supplements or avoid them entirely .

For example, 3,000 IU of vitamin A (as retinol) is 900 mcg RAE. About 18,000 IU beta carotene, which is less potent than ...

Dull strands, flaky scalp, or sudden shedding? Experts break down how vitamin A affects hair health, how much you really need ...

Lower levels of certain vitamins and minerals were found to be associated with chronic pain in a study led by researchers at ...

IN response to a request from the Ministry of Food, the Vitamin A Sub-Committee of the Accessory Food Factors Committee (Lister Institute and Medical Researdh Council) undertook an experiment to ...

By flipping an evolutionarily disabled genetic switch involved in vitamin A metabolism, researchers headed by a team at the National Institute of Biological Sciences, Beijing, have enabled ear ...

Wegovy is a drug used for weight loss and weight management. Learn whether the drug can be used by someone who has had gastric sleeve surgery.

Xerophthalmia is an eye disease caused by vitamin A deficiency. Learn more about what causes it, what to expect, and more.

Background: Vitamin D is a steroid hormone with pleiotropic effects including immune system modulation, lung tissue remodeling, and bone health. Vitamin D deficiency has been implicated in the ...