There isn't one universal solution . For me vit D and focusing on getting good night sleep (or taking a nap in case of fail) had greatest impact, but for others

There isn't one universal solution . For me vit D and focusing on getting good night sleep (or taking a nap in case of fail) had greatest impact, but for others it may be useless. A lot of solid (but conflicting) advice here so you just got to keep trying stuff until something works Keto diet was great too, my energy levels felt like flat line but it was pain to maintain