Discomfort is minimal and resolves within seconds
Related research: For distinct compound, component, or formulation evidence and safety context, read BPC-157 Peptide: Benefits, Uses, Side Effects, Dosage, and Research and TB-500 Peptide: Benefits, Uses, Side Effects, Dosage, and Research
Finally, the biggest risk is for people who have pernicious anemia, a rare condition in which a person is unable to absorb any B12 through their stomach or intestines people with this condition are the ones who actually need B12 injections
Early on, people may have mild symptoms they may think are caused by other common conditions
FDA-approved GLP-1 agonists are the exception: they are designed for continuous use, and weight regain occurs rapidly after discontinuation
Compounded semaglutide with B12 is typically supplied in vials with syringes