From our research

Fish Oil, MCT Oil and Probiotics for Brain Fog

Three good mechanisms and three thin evidence bases. What omega-3, MCT oil and probiotics actually do, why rancid fis...

Supplements for Brain Fog: What Works, What Doesn't, and What to Check First

Correcting a real deficiency changes how your head feels. Topping up something you already have does almost nothing. ...

Vitamins for Brain Fog: Which Ones, Which Form, and What to Test

B12, vitamin D, iron, magnesium and the rest: what each is for, which forms are worth paying for, and the two that ca...

Supplements That Cause Brain Fog (And the "Secret Supplement" Ads)

Pre-workout, BCAAs, high-dose B6, melatonin, ashwagandha and more: the things in your cupboard that can make fog wors...

Nootropics for Brain Fog: Which Ones Have Evidence

Caffeine and L-theanine, L-tyrosine, citicoline, alpha-GPC, bacopa, ginkgo, vinpocetine, noopept: what each is for, t...

Beat Perimenopause Brain Fog: Your Guide to Cognitive Support and Mental Clarity

Oestrogen and Brain Fog: Why the Words Disappear

Falling estrogen does not just cause hot flushes. It changes how the brain retrieves words, holds information and sus...

Can Exercise Help With Perimenopause Brain Fog?

Aerobic exercise has two distinct effects on perimenopausal cognition: a same-day one you can use tactically, and a s...

Does Stress Make Perimenopause Brain Fog Worse?

Stress does not just feel like it worsens brain fog. Cortisol acts on the same hippocampus that estrogen withdrawal i...