In adults and older children, the total volume used should also stay within safe limits animal studies suggest up to about 30 mL (the full vial) can be given to an adult without benzyl-alcohol toxicity, but one should still use only the amount needed and discard the rest if sterility is lost
GLP-1RA appears advantageous in this regard
The other recent, major arrival is orforglipron (Foundayo), a small-molecule oral GLP-1 from Eli Lilly that the FDA approved for chronic weight management in April 2026
Furthermore, given the small sample sizes within sex for Experiments 3 and 4, sex comparisons could not be made
According to another analysis [34], the published results, as a rule, show an improvement in some brain parameters (for example, hippocampal connectivity, glucose metabolism in the brain, hippocampal activation according to functional magnetic resonance imaging), but could not demonstrate a strong correlation with cognitive indicators