Injections are appropriate for vegans or vegetarians with confirmed deficiency or documented absorption issues, but they are not the only effective option
Syringe selection and technique Use an insulin syringe with a fine-gauge needle (28 to 31 gauge) for subcutaneous injection
In addition, people with gastrointestinal issues that prevent absorption of nutrients from the gut can develop vitamin B12 deficiency symptoms
An untreated vitamin B12 deficiency can lead to neurological problems or pernicious anemia, which occurs when your body doesnt have enough B12 to produce the amount of red blood cells it needs ( Vitamin B12 shots are typically the most common way to prevent or treat a deficiency
The vitamin B12 injection supplies additional B12 to those who need it
Six randomized, double-blind, placebo-controlled trials involving over 900 participants demonstrated that this growth hormone fragment peptide is well-tolerated with a safety profile indistinguishable from placebo