I recently started add 2T CO to my coffee in the morning. The energy increase is pretty amazing, though I am a little sceptical if it is placebo effect or real. Either way its a win.
My mother does this and SWEARS BY IT !! She says it keeps her super full and gives her lots of energy - the woman hikes 6-7 miles a day, EVERY SINGLE DAY and she's in her 60s!