Green poo can be caused by food being digested too ... also be triggered by bleeding caused by a tumour or an ulcer Bright red poo can be a sign of bleeding lower in the gastrointestinal tract ...
Seeing pieces of food in your poo is normal too.” “Red poo can be caused by beetroot and red food dye in food and drinks, but could also indicate bleeding in the bowel,” she explains.
Any other colour on a recurring basis; yellow, clay, black and especially red, could be a sign of trouble. The Bristol Stool Chart describes seven classes of poo. Yours should be a 3 or 4 ...