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Impaired neurotransmitters: NAD+ helps produce brain chemicals for mood and focus
Supplementation with guanidinoacetic acid in women with chronic fatigue syndrome
Literature search strategy Sources of information: The primary sources for this review include academic databases such as PubMed, ScienceDirect, and Google Scholar
To bind redox metals Fe 2+ and Cu + and prevent H 2 O 2 from giving OH in the presence of ions of these metals in the body, there are highly active enzymes of antioxidant protection - catalase and superoxide dismutase (SOD) (98)
Oxidized peptides may show reduced activity and mass shifts
Unlike single-pathway brighteners (e.g., kojic acid or arbutin), Glutathione operates on multiple cellular levels antioxidant defense, enzyme modulation, and pigment balance
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