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The gut-brain connection means that microbiome disruption can also affect mood and cognitive function

Younger people can also become deficient, particularly if they don't eat a balanced, nutrient-rich diet

Currently on FDA Category 2 with a PCAC review scheduled for July 2026

Ethics, reproducibility and methodological pitfalls Frequent pitfalls in cognitive peptide research No vehicle control in some old Russian studies: mandatory in any modern publication Non-randomisation : assigning animals to groups by order of arrival introduces systematic bias (weight, oestral cycle, cage stress) Non-blinded experimenter : behavioural tests are highly sensitive to expectations

Your body produces it naturally, primarily in the liver, where it acts as a powerful shield against oxidative stress

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