any side effects from b12 injections Shots at Home: How, Where & How Often to Inject Yourself B12 Shot Guide: Benefits, Dosage

The peptide promotes angiogenesis by upregulating vascular endothelial growth factor (VEGF) expression and stimulating the formation of new blood vessels, which is critical for delivering nutrients and oxygen to healing tissues

A few report slight increases, possibly related to compensatory responses or anxiety about self-injection

PMC - Assessing the Immunogenicity Risk of Peptide-Related Impurities: Scientific review on immunogenicity risk of peptide impurities

Large-scale data consistently show cardiovascular drugs (statins and blood-pressure medications), diabetes drugs, thyroid replacement, antidepressants/anxiolytics, asthma/sinus treatments, pain relievers, and antibiotics among the most-prescribed

And what happens after (included follow-up, a 24/7 line, a structured review, versus none of that)

MOTS-c is the other common pairing in laboratory work on energy metabolism, since it acts on mitochondrial pathways and insulin sensitivity rather than on adrenergic receptors