When you're overweight, you're at risk for various health problems and joint issues
In this case, your healthcare provider will recommend supplementation to help get your level where it should be
In these cases, injections improve laboratory markers and help resolve symptoms tied to deficiency, such as fatigue, anemia, and certain neurological issues
This provides an important tool for research into aging-related neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease, and offers experimental evidence for intervention strategies in neuronal aging
Association of Vitamin B12 with Obesity, Overweight, Insulin Resistance and Metabolic Syndrome, and Body Fat Composition
More serious vitamin B12 side effects may include the following: Allergic reactions, such as hives, trouble breathing, or swelling of the face, lips, tongue or throat