Vitamin B can assist in lifting mental fog which always helps to keep us a little more present — and remember, your body inherently knows best! (fitbodyhq.com)
I didn't really have mental fog though, but I did have trouble in the gym for about a week, which has passed. (marksdailyapple.com)
A sugar crash can increase mental fog and fatigue thereby, reducing your sexual drive. (fitbodyhq.com)