dietary supplements like ensure can be beneficial for someone who is not getting enough nourishment through food. in addition to ensure i suggest taking your mother to see someone who can instruct her and what she can and cannot eat which might help to alleviate her fears. it's important she keep her weight and strength up. to find a dietitian near you go to eatright. org for more on diet and diverticulitis see this webmd article.
my mom suffers w/diverticulitis & is afraid to eat anything lest she aggravate the symptoms would ensure be beneficial? . she is 86 years old and under a dr's care. however because she fears making the symptoms worse she eats very little and has become very weak. she is down about 30 lbs. from what she was just a few months ago (down to about 110 lbs. )