A 2026 UK review of the April 2025 University of Oklahoma Nutrients study showing non-anaemic women with "below expected" iron thought more slowly, iron deficiency without anaemia, the irondopamine (tyrosine hydroxylase) and myelin mechanism, hippocampal BDNF downregulation, NICE/NHS ferritin thresholds, oral and IV iron and why checking ferritin and finding the cause comes first, not a peptide Read the full review Nutritional & Metabolic Neuroscience 7 June 2026 Dihexa for Vitamin B12 Deficiency Brain Fog: The "Normal B12" Study, Homocysteine & the 2026 UK Review Can Dihexa help vitamin B12 deficiency brain fog
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Combining these findings with existing metabolomics literature, top pathways were identified for further study via targeted assays
If youre not just consuming naturally-rich food but also taking glutathione supplements then you should avoid alcohol, smoking, excessive caffeine, and highly processed foods
Symptoms, diet, inflammation, albumin, gastrointestinal health, copper status and supplement use may alter the meaning of a low, borderline or unexpectedly high value