glutathione used for what Top 8 Rich Foods Glowing & Healthy Skin Glutathione! - PMC

Choosing based on which one has more animal evidence is reasonable

Both peptides show isolated preclinical signals in spinal-cord-injury models

It means there is no established data on how these peptides behave in human pharmacokinetics, what adverse events occur at what frequencies, or what drug interactions are possible

In mice treated with amoxicillin or ciprofloxacin, depletion of Lactobacillus reuteri (Firmicutes) led to reduced brain and serum GABA, downregulation of GABA-A receptors, and diminished 5-HT and DA, neurochemical changes that coincided with anxiety- and depression-like behaviors (Bibi et al., 2025)