Phylum-level analyses indicate predominant Firmicutes with relative Bacteroidetes reduction in some studies (264, 265), while others report increased Actinobacteria , Verrucomicrobia , or pro-inflammatory Proteobacteria , alongside potential reduction of beneficial Bacteroidetes and Actinobacteria ( 262, 266)
Topical ingredients like niacinamide may show visible improvements in skin texture relatively quickly, while glutathione works gradually by supporting skin health internally
Better to avoid it if you can but I wouldnt worry about it right now
Flores and Pablo Mndez, Department of Basic Neuroscience, Geneva Medical Center, University of Geneva, 1 Rue Michel Servet, 1211, Geneva 4, Switzerland e-mail: [email protected]
Monitoring the unique mild side effects of the oral formulation such as abdominal pain