yes from what ive researched, these types of products have just enough E in them to make the advertising legal but the dose required are astromonical for any real affect to take place.
Where i live theres a certain shop that sells these products at extortionate prices aimed soley at tv and unmonitored ts selling them dreams of a perfect female body.
Puberty, Its a long road and alot of girls still end up requiring BA for what they want i'd stay clear and save your money for something thats tried and tested.