Brain fog & mood: where to start.
Foggy thinking, poor focus, low mood or anxiety that tracks with sleep and digestion. The brain is downstream of sleep, thyroid, inflammation, iron and the gut — and the order you check them matters.
Three steps, in order.
Fog vs low mood vs anxiety point to different first steps.
Read these first.
Start here
Brain Fog: Causes, Symptoms and How to Clear It Naturally
Start hereTop 50 Healing Herbs & Essential Oils
The 30 healing herbs and 20 essential oils I trust most, each with its five best uses ranked by research, exactly how to take it, how it works, its Traditional Chinese Medicine profile, and when to be careful.
Open the guideVitamin Advisor
Brain, focus and mood as the goal; the nutrients, herbs and foods that fit.
Open the toolStraight answers.
Why do I have brain fog?
Sleep, thyroid, inflammation and iron explain most brain fog — check them in that order before reaching for nootropics.
Does creatine help the brain?
Modest but measurable effects on working memory in trials, strongest in people who eat little meat or are sleep-deprived.
Can the gut affect my mood?
Yes — the gut makes most of the body's serotonin precursors and sets inflammation, which the brain feels.