Hi, I'm new here. I've been suffering from chronic fatigue, and my GP did a number of tests. Almost everything came back negative except severe vitamin D difficiency and blood sugar right at the top end of the pre diabetic level. I've been given Vitamin D therapy, but not given much advice yet on the pre-diabetes, except advised to lose weight. I did my own research, and the advice on this site made more sense than anything else, so I have switched to a LCHF diet - moderate low carb. My problem is that the ongoing fatigue, cause unknown, makes it impossible to exercise - even walking a few hundred yards is exhausting, and even with LCHF diet I am not losing much weight. Any advice would be appreciated as I am very anxious. Thanks.