For general context, see peer-reviewed articles in major journals (reading list below)
Record the reconstitution date and concentration, then refrigerate at 28C (3646F) away from direct light
B12 is found in most animal products including fish, meat, poultry, eggs, and beef
Individuals with B12 deficiency may experience disrupted sleep patterns, and B12 shots can help them regain healthy sleep routines, contributing to an overall healthier life
Symptoms of real deficiency include fatigue, tingling or numbness in hands and feet, memory and concentration issues, mouth ulcers and pale skin, and a GP blood test is the only reliable way to confirm it
High levels of B12 in the bloodstream allow the body to quickly absorb and use the vitamin where its needed most