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Moreover , GTC - treated groups showed lower levels of total cholesterol and low - density lipoprotein cholesterol , whereas the level of high - density lipoprotein cholesterol increased .
 cholesterol, cholesterol, cholesterol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 cholesterol, cholesterol, cholesterol