Every persons situtation is different but I too was told I had chronic fatigue about 2 1/2 years ago and at that time also found out I had EBV also. I was also diagnosed with candida. I also did the flushes and took tons of supplements but still could not regain my energy. I finally found a new medical institute and after treating thyroid and adrenals I can function normally again.
The correct tests for thyroid are the Free T3 and Free T4 not just the regular T3 and T4 (Very Important). My adrenals were checked with a 24 hour urine test. If you haven't looked at both these issues carefully it might be worth a try. Good luck, I know it's tough.