Typically with bulk compounding, you would have what's called a lithograph, the defined composition of that compound, says Eileen J
A toxic vitamin B12 overdose could not occur as the body will absorb what it needs from the B12 injected and excrete any excess in the urine
While large-scale human clinical trials are ongoing, preclinical and anecdotal evidence is strong
If you start at full dose and develop a headache, you cannot tell if the peptide caused it or if you would have had that headache anyway
Am J Respir Crit Care Med 182(11):13441351 Dorecka M, Siemianowicz K, Francuz T, Garczorz W, Chyra A, Klych A et al (2013) Exendin-4 and GLP-1 decreases induced expression of ICAM-1, VCAM-1 and RAGE in human retinal pigment epithelial cells