[The question] is just whether or not increasing them synthetically is safe or not. There are several well-studied, FDA-approved peptides available today, such as insulin and GLP-1s like Ozempic and Wegovy, but thats just a sliver of the peptide pie
In summary, it's crucial to consult with your healthcare professional before starting any new supplement regimen, as they can assess your specific needs and health conditions
Pickart 2012 PMID 22666519)
It is recommended that adults over the age of 50 increase their sources of vitamin B12 through diet, fortified foods, B12 shots, or other supplements that can increase their B12 consumption. (By The National Institutes of Health) GASTROINTESTINAL ISSUES AND B12 SHOTS Persons who have gastrointestinal issues are particularly predisposed to issues with B12 deficiencies
Practical checklist for someone considering peptides or GLP1s Document your baseline: weight, strength levels, sleep, bowel habits, mood, and medication history