I just started a new probiotic today...a half an hour after taking I am soooo tired and in so much more pain...stomach bloated...felt like I hadn't eatin forever...week...Is this normal??? I took half the recomended dose just incase it didn't agree with me.. It is Florabiotic 16 powder the only other ingredient is rice starch...It says it is high potency with 16 strain of good bacteria... I am worried that I reacted to the rice starch.. But their can't be that much in it... Is it a herx? Signs it's working? Should I keep taking it? What do ya think??