Unlike hormones that stay in the body for a long time, peptides bind to the receptor of cells, cause a chemical reaction, then go away
Here you can find some references and papers you can take to you GP regarding this
(2018) A randomized, open labeled study comparing the serum levels of cobalamin after three doses of 500 mcg vs
IF YOU HAVE AN EXISTING HEADACHE, MIGRAINE, OR FACIAL PAIN DIAGNOSIS AND ARE LOOKING FOR FURTHER EDUCATION AND SELF-RESEARCH ON YOUR DIAGNOSIS, VISIT OUR FREE EDUCATION CENTER HERE .
Learn more about how essential vitamins support muscle health in our blog on Essential Vitamins for Muscle Cramps and Spasms
Common side effects are typically mild and transient: Pain, redness, or swelling at the injection site (most frequent) Mild diarrhoea or gastrointestinal upset Headache or dizziness shortly after administration Itching or mild skin reactions Temporary pink/red discolouration of urine These effects usually resolve within 2448 hours without intervention