76658
The hepatocyte also regulates other functions for constitutive synthesis of proteins ( albumin , ALT and AST ) that influences the synthesis or activation of other molecules ( synthesis of urea and essential amino acids ) , activate vitamin D , utilization of vitamin K , transporter expression of vitamin A and conversion of thyroxine .
 vitamin D, vitamin K, vitamin A
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 vitamin D, vitamin K, vitamin A