Fatigue. How you deal with that depends on how long, what brings it on, what have you already tried etc. If you feel nutrition may affect it, (My own opinion... Of course it does), then you need to do some serious reading and thinking - GP's general advice from their computer will not fit everyone. I have found Patrick Holford's books useful - but nothing works unless you do it. The question to ask yourself is how do really well people live and where is that different from what you do. Wishing you well.
Another stabbing in Sydney today.
Do you still wear you original wedding and engagement ring