Medical Definition of Retinol

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Reviewed on 12/27/2018

Retinol: An animal form of Vitamin A. Retinol is converted from retinyl palmitate which is found in beef, chicken liver, eggs, fish liver oils, and dairy products including whole milk, whole mild yogurt and cottage cheese, butter, and cheese. (The plant based Vitamin A source is beta-carotene.) Vitamin A is essential to vision, especially night vision, bone and tooth development, reproduction, skin and mucous membranes.

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Reviewed on 12/27/2018