126862
Drospirenone ( DRSP ) is used by itself as a progestogen-only birth control pill , in combination with the estrogen ethinylestradiol ( EE ) , with or without supplemental folic acid ( vitamin B ) , as a combined birth control pill , and in combination with the estrogen estradiol ( E2 ) for use in menopausal hormone therapy .
 folic acid
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:
 folic acid