My stool is most often formless or loosely formed and ranges in color from a medium to dark brown (no blood, nothing else i can see). issues?

Fiber to the rescue: While not necessarily your answer, eating a high-fiber diet may help alleviate your symptoms & promote normal bowel function. If no response to fiber supplementation, then certainly seek medical evaluation to rule out malabsorption, maldigestion, infection, enteropathy, colitis, dysmotilities, functional syndromes, etc. Consider reading: http://patients.gi.org/topics/common-gi-symptoms/