If the formula is not disclosed, you cannot tell whether the claim is based on a peptide, an antioxidant, a cosmetic additive, or just branding
While Backer does not specifically mention Peter Attia, M.D., or David Sinclair, Ph.D., his description fits them well
Furthemore, an increased serotonin metabolism was demonstrated by diminished hypothalamic serotonin levels, lowered 5-hydroxytryptamine (5-HT)/tryptophan ratios and elevated 5-hydroxyindoleacetic acid/5-HT ratios, indicating dysregulated serotonergic system (Jia et al., 2024)
Hayakawa T (1977)
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Pevec et al., 2010) and worsening, and immunosuppression (Sikiric et al., 2003)