I have bee n using Simply slim now for 3 weeks! The first week I experienced the dry mouth and head aches every now and again, but was not too worried as I was told hat it is normal within the first couple of days! I therefore continued using the product and realised that I was only going to the loo to urinate and hence felt constipated all the time! I was then again advised to just add more fibre to my diet, of which I did! But I still had constipation! Now I feel worse off than before, my head aches won't stop, I have blurry... read full review »