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I have a question about fruits and fructose etc that comes from my experience of eating bananas.When I am feeling ok I can eat bananas that are slightly green. However, if I eat an overripe banana I will get some stomach cramps and they will push me towards D. Similarly if I am suffering from IBS D, then to recover I will go onto the BRAT diet minus the bananas as even slightly green bananas don't agree with me in this situation.After years of this it suddenly occured to me today that this may tell me something important about my triggers. Particularly as the conventional wisdom seems to be the opposite - i.e. that ripe bananas are easy to digest and unripe bananas cause stomach upsets.A quick google has told me that as bananas ripen, starches are convered to sugars - suggesting I am OK when the banana is starchy but that it causes me problems once these starches are turned to sugars. This would be consistent with my diet in general. I find starchy foods such as rice and potatoes lifesavers - but I have had to give up eating virtually all fruits - with the idea of eating a melon or watermelon particularly likely to give me a nightmare.My question on all this is, does my difficulty in eating fruits mean I am a sufferer of fructose malabsorption? Or are there other aspects to eating fruits that trigger IBS symptoms that could be to blame?I am interested in the answer because of what it may signify for the rest of my diet. I am quite partial to having honey on my toast and eating cake or flapjacks occasionally but if my problems eating fruits are down to issues around sugars, particularly fructose, then maybe I will have to rethink this.Any views would be appreciated.