glutathione injection vials Maxiliv | Gastrointestinal Glutathione Injection - VITAstir® Brand

While not a targeted microbiome drug, its pleiotropic effects (part immune modulation, part microbe modulation) have been tested in early PD and HD trials (with mixed results)

Lv WL, Liu Q, An JH, Song XY

Depolarizing actions of -aminobutyric acid and related compounds on rat superior cervical ganglia

The physiological changes associated with female aging affect the overall well-being and quality of life

The molecular gutliver signaling, we substantially revised the manuscript with detailed discussions of key pathways: TLR4/NF-B, MAPK signaling, tight junction regulation, microbial metabolite signaling (e.g., SCFAs), and cytokine cascades