10624
In some cases , vitamin E exerted a more potent effect , while in other cases , the more potent effect is related to zinc sulphate and the combination of both at most of the recorded data .
 vitamin E, zinc sulphate
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 vitamin E, zinc sulphate