Risks While B12 injections are generally considered safe, especially when administered under medical supervision, there are some potential risks and side effects to be aware of: Pain, Redness, or Swelling at the Injection Site: This is the most common side effect and is usually mild and temporary
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You can also reduce your chance of hepatitis B infection by: Not sharing drug needles or other drug materials Wearing gloves if you have to touch another person's blood or open sores Making sure your tattoo artist or body piercer uses sterile tools Not sharing personal items, such as toothbrushes, razors, or nail clippers Using a latex condom during sex
It has also been shown to lower homocysteine levels, a molecule linked to inflammation and cognitive decline, with longitudinal studies linking optimal B12 levels with improved cognitive function, mood and reduced risk of neurodegenerative disease
Researchers should use appropriate laboratory tools and equipment to ensure accurate and sterile results