ರೆಟಿನಾಲ್ ಮುಖ್ಯವಾಗಿ _______ ಗೆ ಸಂಬಂಧಿಸಿದೆ A. ಜೀವಸತ್ವ A B. ಜೀವಸತ್ವ B C. ಜೀವಸತ್ವ D D. ಜೀವಸತ್ವ E

Retinol is the main form of vitamin A, found in animal foods such as milk, eggs and liver. It is essential for vision (especially in dim light), skin and immunity.