Biomarkers of monoamine oxidase activity

1. Blackcurrant formula decreases biomarkers of monoamine oxidase activity in humans.

   “Reduction in biomarkers of MAO activity were measured following acute supplementation with BCF, but not placebo, with significant treatment × time interactions (q < 0.01)”

   Human trialHealthy older adults; compared with placeboBeverageBloodSingle doseAcuten = 26

   Four-week supplementation with a blackcurrant formulation enhances cognitive performance, reduces mental fatigue and modulates peripheral monoamine metabolism in older adults: a randomized, double-blind, placebo-controlled, crossover study

   Frontiers in pharmacology·30 Sep 2026

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