"I first went on a Atkins type diet recommended by my physician and I progressively got worse. My vision seemed to be getting worse. Muscle twitches, nausea, fogginess, memory issues. Starting about two weeks ago I started a candida type cleanse. Just vegetables (diet approved vegetables)! I have lost 20lbs. Which I am happy about but I feel terrible."
Those symptoms look to be hyperglycemia (pre-diabetes) and you might find this a shock but after researching diet a lot, what looks to really be the cause of hyperglycemia also will explain your candida issues and why Atkins-type diets made you feel worse. I wrote about it here with video links at the bottom that will explain it more: