where should inject themselves with a b12 Vitamin Injection Sites: All You Need to Know How to Give Yourself a
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doi: 10.1016/j.neucli.2005.12.001

But some might feel pain at the injection site, mild diarrhea, or itching

You can get it by eating such foods as fish, meat, eggs, and dairy

Adequate levels of B12 can promote healthier skin, hair, and nails by supporting the production of new cells and preventing damage caused by free radicals
19 Alcoholics are often found to have B12 deficiency due to low intake, impaired absorption, and impaired release of vitamin B12 from food proteins
