I’m not sure what Colon Flush is but I a book I found “Heal Your Gut.” By a lady called Lee Holmes. She is from the UK. You skip all grains and just have her soups. It is basically an anti inflammatory diet. I make up the soups and keep in the freezer for when I have a Body Shut Down and I really helps. No tea (unless herbal) no coffee, just all fresh products. The herbs and spices used are also anti inflammatory. The idea is to clean out our stomach and bowel and give it a rest. I find it a great help. Then go back on solid food gradually. Hope this helps.

I think the fatigue is certainly related. I used to sleep 5-6 hours a day and go go go. Now it's as if I can't ever get enough sleep.

Sorry you’re not feeling well.

I try to avoid Red peppers because they are in the nightshade family which cause inflammation.
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Common nightshade vegetables that we eat include:

white potatoes
tomatoes
eggplant
bell peppers
cayenne pepper
paprika

Nightshades contain an alkaloid called solanine, which is toxic in high concentrations.

Solanine is found in trace amounts in potatoes and is normally safe, though the leafy stalks of the potato plant and green potatoes are toxic, and solanine poisoning has been reported from eating green potatoes.

I've always been tired all the time (and told that I look tired) even in my 20s. I never knew why but it makes sense now that there is a connection. I think diet has a lot to do with it, if you eat more veg, pulses etc and less or no meat you won't be constipated which helps. Good to go lol x

But you need to figure out if it is harmful to you.
Here’s an article w more informative:
https://paleoleap.com/nightshades/