Correlation does not mean causation
Dalmasso G, Charrier-Hisamuddin L, Nguyen HT, Yan Y, Sitaraman S, Merlin D PepT1-Mediated Tripeptide KPV Uptake Reduces Intestinal Inflammation Gastroenterology (2008) 4
No serious adverse events have been systematically documented in human use to date, though the absence of systematic reporting infrastructure in the research peptide space means that adverse events are almost certainly underreported
Suggested starting points to discuss with your clinician Deficiency without malabsorption: 1,0002,000 mcg oral cyanocobalamin daily until normalized, then weekly or monthly maintenance per labs (AAFP)
Between traffic on Route 3 and back to back meetings, recovery time is scarce, which is exactly why a 30 to 45 minute glutathione session fits into a lunch break or an end of day stop before heading home