Hold the syringe at eye level, perpendicular to your line of sight, and read the top edge of the plunger stopper against the unit markings
The Lancet Haematology
Here are some scenarios where B12 injections might be particularly beneficial: Vitamin B12 Deficiency : The most clear-cut candidates for B12 shots are those diagnosed with a B12 deficiency, which can cause symptoms like fatigue, weakness, constipation, loss of appetite, weight loss, and neurological changes such as numbness and tingling in the hands and feet
Type of study n Percentage (%) Randomized clinical trials (RCTs) 14 43.8 Observational cohort studies 8 25.0 Pharmacovigilance analyses 10 31.2 Total 32 100.0 Source: authors, based on scientific literature (20202025)
If needed and tolerated, you can go up to 14 mg daily
So much of longevity depends on metabolic health