hit a vein while injecting b12 Phlebotomist artery during blood draw Accidental IV Injection of Semaglutide:

Semaglutidetwo contenders for weight loss, are creating a buzz

I definitely have felt a difference, I have more energy- I havent lost any weight but the energy is noticeable throughout the day

It occurs when a persons upper airway becomes blocked during sleep, cutting off airflow throughout the night, the National Heart, Lung and Blood Institute says

If you experience any concerning symptoms while taking B12 supplements, report them to your healthcare provider and consider reporting suspected side effects via the MHRA Yellow Card Scheme (yellowcard.mhra.gov.uk)

WADA does not list it explicitly but it falls under category S2 (hGH analogues)

If that sounds familiar, youre not alone