Neuroinflammation & membrane integrity
One of 6 mechanistic pathways to 🧠 Focus, memory & cognition · 15 options
Persistent brain fog with no attention deficit is often glial inflammation rather than a neurotransmitter shortfall. Microglia stuck in an activated state degrade cognition in a way stimulants paper over and do not fix.
Fog with no attention deficit and no mood change is often immune rather than neurotransmitter. Raised inflammatory markers point at this pathway; a clean panel argues you should be looking somewhere else on this page.
hs-CRP (High-Sensitivity C-Reactive Protein)TNF-AlphaANA (Antinuclear Antibodies)Vitamin D (25-Hydroxy)pTau-217 (AD-Detect)🧠 Cognitive Decline & Alzheimer's Risk covers these in one panel →
What engages this pathway
Ordered by how directly each one acts on the mechanism above — never by how much trial evidence exists. Each links to its full breakdown with dosing, half-life and vendor.
💉 Low Dose Naltrexone
TLR4 antagonism on microglia is the proposed anti-neuroinflammatory mechanism. Used in fibromyalgia and long-COVID cognitive complaints with encouraging small trials.
💉 VIP
Shifts microglia toward the anti-inflammatory phenotype; the CIRS literature is built on this argument.
💉 Thymosin Alpha 1
Immune modulation rather than suppression — relevant where fog is post-viral.
🧬 Palmitoylethanolamide (PEA)
Downregulates mast-cell and glial activation. Good trial evidence in chronic pain, and increasing interest in post-viral cognitive symptoms.
🧬 Luteolin
A mast-cell-stabilising flavone that crosses the blood-brain barrier. Central to the neuroinflammation hypothesis of brain fog; human trials are small.
🧬 Curcumin
NF-κB inhibition, and a human trial showed improved memory and mood over 18 months with the bioavailable form.
🧬 Omega-3 (Fish Oil)
Substrate for the resolvins that terminate neuroinflammation, and structural material for the membranes themselves.
🧬 Phosphatidylserine
A membrane phospholipid concentrated in neurons; trials show improved memory in age-related decline and reduced cortisol response to stress.
🧬 NAC
Glutathione precursor and a glutamate modulator. Trial evidence across compulsive and inflammatory neuropsychiatric presentations.
🧬 Sulforaphane (Crucera-SGS)
The most potent natural Nrf2 activator — upregulates the brain's own antioxidant defences rather than supplying antioxidants directly.
🧬 Ergothioneine
Concentrated in tissues under oxidative stress by a dedicated transporter, which strongly implies a protective role. Blood levels correlate inversely with cognitive decline.
🧬 Astaxanthin
Crosses the blood-brain barrier, unlike most carotenoids, and shows cognitive benefit in small Japanese trials.
🧬 SPMs (Pro-Resolving Mediators)
The resolution signal itself, where the inflammation is the problem.
🧬 Gotu Kola
Centella asiatica improves microcirculation and has trial data for both cognitive function and venous insufficiency — the shared mechanism is the capillary bed, which is a nice illustration that brain fog can be a perfusion problem.
🧬 Brain Impact Support
Formulated for post-concussive and neuroinflammatory recovery — omega-3s, curcumin and antioxidants at the doses used in TBI research.
The other 5 routes to focus, memory & cognition
Pick the pathway that matches where you are actually stuck. An appetite drug does nothing for someone who already undereats.
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Frequently asked questions
Persistent brain fog with no attention deficit is often glial inflammation rather than a neurotransmitter shortfall. Microglia stuck in an activated state degrade cognition in a way stimulants paper over and do not fix.
15 options are mapped to this pathway in the Vault, including Low Dose Naltrexone, VIP, Thymosin Alpha 1, Palmitoylethanolamide (PEA). They are grouped by the mechanism they act through rather than ranked by how much trial evidence exists — 9 carry clinical validation and 6 are mechanistic predictions.
Fog with no attention deficit and no mood change is often immune rather than neurotransmitter. Raised inflammatory markers point at this pathway; a clean panel argues you should be looking somewhere else on this page. The markers worth checking are hs-CRP (High-Sensitivity C-Reactive Protein), TNF-Alpha, ANA (Antinuclear Antibodies), Vitamin D (25-Hydroxy).
Unproven is not the same as ineffective. Of the 15 options on this pathway, 9 have clinical validation and 6 are graded theoretical — meaning the mechanism is sound but the specific human trial has not been run, which is true of a great deal of what works in this space. Nothing on this page is ordered by evidence tier, because sorting by trial count would bury the compounds you came looking for.