Pharmaceutical GH comes with its own sterile water for this reason
Others who might be prescribed B12 shots are those at the highest risk for a B12 deficiency, including: Vegans, since vitamin B12 is found only in animal products People ages 60 and up since their bodies don't absorb B12 as efficiently People with Crohn's disease or pancreatic disease, since they prevent nutrient absorption People who had weight-loss surgery, which decreases B12 absorption People with an eating disorder People with HIV People with diabetes Since a mild B12 deficiency might not cause symptoms, it can go undetected for years since levels are not checked during routine blood work
The speed at which alcohol reaches the small intestine determines peak BAC timing how quickly and how high blood alcohol rises
That said, some people have trouble absorbing vitamin B12 from food and oral supplements and may need it in injectable form
Many clients notice increased energy, sharper focus, and improved mood within days of receiving a vitamin B12 injection
The same source also indicates that injectable B12 reliably restores levels when oral absorption is impaired