It does work. It works better than I expected, so much that I had more CM days than usual which made it a tad bit harder to predict the O day.
-The liquid tastes disgusting, hold your breath while taking it and follow up with a glass of something to drink
-Drink extra water
-Eat something with it or it might upset your stomach
-Under no circumstances should you choke on it. It burns for hours
Personally I found it worked great for my allergies too! That's a nice bonus as I've had days were I am struggling with drainage since going off all my meds.