i just started another bottle of tribulus (my second). my first bottle was the same but i lived through it... right after i take my pills on my empty stomach i get weird feeling kinda sick and a lil painfull and uneasy in the stomach.. wondering. how if any 1 else reacts like this..it went away last time after i did enough .. but its back and ive got sick a few times on my last bottle from it.. nothing bad just a spew and i was fine..