I not a grapefruit but oranges and banana are a good choice too and my weight loss was 1 pound but i take over a gain not having the big weight loss but there is one less pound of me so for the month of Feb there is 2.5 pounds less of me. and we only four days left of the month i am not the biggest looser. and did not meet the goal set but had fun trying and feel good about the the loss and now fi