19648
Although the NSAS - fortified diet did not significantly affect the absorbed fraction of both vitamins , NSAS slurry decreased the absorption of vitamin D3 as compared to the control .
 vitamins, vitamin D3
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 vitamins, vitamin D3