The following is suggested reading, https://shop.healthmasters.com.au/pages/chronic-fatigue-syndrome-cfs-treatment-recommendations

It gives an extensive list of suggestions with dosages and the studies they are based on, for example

It is a “all on-one-page” that is ideal to discuss with your medical professional.

WARNING ON LIFE STYLE SECTION

There are many nuisances in the studies cited that are missed or have misleading inferences. Simple example, “individuals who regularly exercised…. experience less fatigue”… could be restated as “individuals who experience less fatigue…. regularly exercised”. Causality is not in the evidence.

Also, Cognitive-behavioral therapy trials has many more than the single study cited — the majority of studies found that it did not help, or made people worse.