What are the best food sources? Preformed vitamin A (a.k.a. retinol) is found in foods of animal origin, such as liver, eggs, milk fortified with vitamin A, fortified cereals and fish.reformed vitamin A (a.k.a. retinol) is found in foods of animal origin, such as liver, eggs, milk fortified with vitamin A, fortified cereals and fish.
Robert Lowery became the second person to portray the character in the 1949 movie serial Batman and Robin.. Although he never played the character in another movie, he did guest star on an episode of The Adventures of Superman.. This was the first time a Batman actor and a Superman actor shared the screen.
Batman co-creator Bob Kane had wanted a 16-year-old actor to play Robin, but producer Sam Katzman at Columbia thought Duncan would be perfect for the role â even though he was 26 at the time.