blood on the toilet paper may be due to several causes like hemorrhoids , anal fissure , colonic polps , anal cancer , colorectal cancer, proctitis or inflammation of the rectum.inflammatory bowel disease . please try the below lifestyle changes and stick on to it. stop all diary products and oily food stop animal products stop eating processed food and cook your own food .Do not eat from outside Eat a whole food plant based diet Eat a high fibre diet abourt 30 gms day. Increase your fluid intake according to your body weight and activity level take a probiotic with varied strains if these things dont work for you see a gastroenterologist for further evaluation.