Folic Acid: Learning About B Vitamins
An example of preventive medicine added to the 1951 NIH Clinical Center time capsule was a vial of synthetic folic acid, a B vitamin. Folic acid had first been isolated in crystalline form in 1943, but in 1951, Dr. James Hundley wrote that the “exact chemical form in which folic acid exists as a functional unit in metabolism is still in doubt."
