Question

Some types of vitamin A are immediately usable by the body, while other types need to be converted first.

Answer 1

Answer:

True: Retinol is the most absorbed.

Explanation:

Vitamin A digestion follows the same process as the rest of the food lipids. Thus, retinol esters are hydrolyzed by pancreatic lipases, after binding to bile salts and micelle formation, and free retinol is absorbed in the duodenum and jejunum. The absorption of retinoids is 80-90% while that of carotenes is 30-40%.

Answer 2

Answer:

Retinol is the most usable form of preformed vitamin A.

Explanation:

reformed vitamin A is only found in animal food sources, foods that are fortified, or supplements.