can i inject b12 subcutaneously Optimal Injection Sites for Maximum Absorption and Benefits Best Vitamin B12 Injection Site:

2021;10:PMC8257309

Methionine, an amino acid found in MIC/B-12 injections, is essential for the synthesis of proteins such as collagen

They have also been known to increase concentration, memory, and energy levels, support weight loss by improving metabolism, help boost the immune system, have been shown to improve sleep and can help stop some types of hair loss

Vitamin B 12 deficiency can develop with heavy regular use of nitrous oxide N 2 O, also known as "laughing gas", used for anaesthesia in a clinical setting or as a propellant gas, commonly abused as a recreational drug

doi:10.1007/s11154-012-9214-8

What Happens When Your B12 Is Low