WE have been studying the mechanism of tyrosine amino-transferase (TAT) induction by adrenal steroids in hepatoma (HTC) cell cultures 1,2. The hormones increase the rate of enzyme synthesis ...

Sometimes tyrosine is sold under the chemical name N-acetyl-L-tyrosine, or NALT, a more water-soluble form, explains Dr. Leopold. However, he says NALT isn’t necessarily better as a supplement ...