Injections that need to reach deep muscle tissue may benefit from using a needle designed to penetrate barriers easily, such as the RELI Safety Hypodermic Needle with Pre-attached Luer Lock Syringe , that comes in a variety of sizes
(Those over 65 years of age, however, should take at least 1,000 mcg cyanocobalamin every day.) If you get a B12 injection, the likelihood of it triggering acne may only be about one in ten
Understanding recommended practices ensures optimal benefit whilst minimising unnecessary risks
For most researchers, yes
doi:10.11604/pamj.2021.38.237.20967
Vitamin B12 injections are most clinically appropriate in cases of confirmed vitamin B12 deficiency, malabsorption syndromes including pernicious anaemia or post-gastric surgery, significant symptoms where rapid restoration of vitamin B12 levels is required, or failure of oral supplementation due to poor absorption