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The peptide exists physiologically as a complex with copper(II) ions and is found in saliva, urine, and plasma, where its concentration declines significantly with age

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Peptides are short chains of amino acids that act as biological signals, telling specific cells or hormones to activate, increase production, or change behavior

California Gold Nutrition L-Glutathione (Reduced) contains an active form of L-glutathione, a powerful antioxidant that can support a healthy detoxification process as well as promote cellular health and immune function

Documented mechanisms of action Preclinical studies (mostly Russian, to be reproduced in international protocols) report several mechanistic targets: BDNF increase (Brain-Derived Neurotrophic Factor) in the hippocampus and frontal cortex, measured by ELISA and Western blot 24-72 h post-administration Monoaminergic system modulation : cortical dopamine increase, serotonergic modulation Activation of the melanocortin pathway via MC4R receptors (residue shared with ACTH) Anti-oxidant and anti-apoptotic effect in cerebral ischaemia models (MCAO, middle cerebral artery occlusion) Experimental paradigms The most reported rodent models are the Morris water maze (spatial memory), novel object recognition (recognition memory), passive avoidance (aversive learning)