18297
Meal conditions affect the absorption of supplemental vitamin D ( 3 ) but not the plasma 25 - hydroxyvitamin D response to supplementation .
 vitamin D ( 3 ), 25 - hydroxyvitamin D
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 vitamin D ( 3 ), 25 - hydroxyvitamin D