Ok... If you were to look up FODMAP for IBS on Dr Google you would find links to foods that can for some irritate the bowel..it also applys for constipation and / or loose bowels.
On your list above the apple, onion, cauliflower, mushrooms, brussel sprouts and Cabbage CAN BE detrimental to the stomach...
Caffeine drinks can also dehydrate stomachs.
Kings Cross Hospital have good info.
Some suitable fruits are:
Blueberries; cantaloupe melon; cranberry; grapefruit; honeydew melon; kiwi; lemon; lime; orange; raspberry; rhubarb and organic strawberrys.
Some suitable veg are:
Bamboo shoots; green beans; brocolli; carrot; celery; chives; cucumber; ginger; lettuce; marrow; olives; parsnip; parsley; spinach; squash; swede; sweet potato, yam, courgettes, tomatos.
Onions are the biggest no, no. Including in gravy...soup, marinades or sauces...
Lentils and chickpeas are also no go.
I'm not saying that you need to do this but it has so dramatically changed my stomach and bowel its truly unbelievable.
I have to eat rice crispies with lactose free milk. This is 32g carbs. I never used to eat breakfast but got told just to add this low fibre cereal in-although it is not normally recommended to have cereals....
The best thing though was adding in the 2 litres of water each day. I've always hated any cold drinks so this was horrendous for me initially but now I'm loving it.
I have 1 kiwi or 13 melon balls for lunch with alpro yogurt.
For tea I stay with my normal fish or chicken with salad with lettuce, rocket and spinach, cucumber, olives, avocado, cherry tomatoes and any colour pepper.With lashings of olive oil or a homemade olive oil dressing. Sometimes I may add an egg.
I used to love garlic and onions.. But I know now how bad they were for me...
I do vary with foods above and I don't find it limits my eating. Only if going out occasionally...
Eggs are ok with say chives for an omlette... Sometimes I bake peppers with pesto, sundried tomatoes and an egg in for breakfast. Sometimes I'll do an avocado souffle.
Ditchthecarb.com do a fantastic ebook if you subscribe to their website. Its for sweets and desserts ... And they are fantastic!! Truly!! I made a lemon coconut cake last night...
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Hope the info helps and hope others may come aling and offer some advice too....