salome, you need to look at the dosage of each tablet and not how many a day you are taking. For example, you could be taking 250mg per tablet 4 times a day which is exactly the same as taking two 500mg tablets a day. If you are worried about it, give your local women's hospital a call - they all have help lines for this kind of info. But tell them the dose of each tablet as well as the frequency.

MG