If Jadyn has interstitial cystitis, as opposed to the normal cystitis, cranberry juice will exacerbate her symptons. I've been there and done that. Please see my earlier post. I have lived sympton free for years, using the program in the book.The only unfortunate thing is should I indulge in moderate to large amounts of the prohibitted foods and yes some forms of suplements, I would still experience mild discomfort, which I banish with a about 3 cups of herb tea over two days at most, a so I am still researching to find a complete cure. I long for freedom to eat loads of tomatoes If like me, in the past,as soon as you get a flare up you reach for vitamin C in the form of ascorbic acid, beware.Use calcium ascorbate instead, without added b vitamins instead. Acidic Vit C will torture your bladder. Get the book! I am in no way associated with the book or author, but my loyalty to it is based on the fact,that the Author was the first person who I read who seemed to recognise that a different approach was indicated when dealing withn IC as opposed to the common version of cystitis. I followed the common cystitis regimen at first and paid the price.