Our expert says:
The following factors can cause the type of exhaustion you describe: a) Iron or vitamin B12 deficiency anaemia, b) Low thyroid function, c) Hypoglycaemia (low blood sugar levels due to excess insulin production) d) Depression. From what you say, I would deduce that you have a blood sugar problem such as reactive hypoglycaemia. You say you have had blood tests but don't mention which ones?? Did you have a so-called glucose tolerance test done or your blood ferritin levels checked? If you do suffer from reactive hypoglycaemia (which I suspect is the problem) then you would need to eat a strict low-GI diet and divide your food intake into 6 small meals a day. But this will of course not solve the problem if your exhaustion is due to low iron or vit B12 levels, thyroid deficiency or depression. You will have to try and figure out which one of these potential causes could be causing your tiredness and then decide if you need to see a physician, a clinical psychologist or a clinical dietitian.
I hope that you can work out what is going on so that you can find a solution.
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