Our expert says:
You can certainly use diet coke as it contains practically no kJ and bananas are fine to eat as a fruit. Toasting bread removes a bit of water from the bread, but does not really change the kJ content. Please do check out the slimming diet on this Website: click on 'Diet' at the top of this page, 'Weight loss', ‘Balanced diet' and then on 'Slimming Diet' for a copy of such a diet), and increase your energy output by doing regular exercise (running, jogging, skipping, cycling, swimming, join a gym or Walk for Life).
Keep up the good work
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