b12 spray vs injection The Advantages of Injections Versus Oral Supplements: Shawn Veiseh, M.D.: Family Medicine 9 Best Vitamin B12 Supplements

Do not self-inject

Myth: Massaging the area helps the B12 spread and work faster Reality: Massaging may spread the fluid and increase bruising or soreness without improving how the vitamin works

Immediately after your injection, the used needle and syringe should go directly into your designated sharps disposal container

When high B12 is identified, your doctor will likely recommend repeating the test and reviewing any recent supplementation before proceeding to more extensive investigations

References: National Center for Biotechnology Information (2023)

Proper Injection Techniques and Site Rotation Learning the right way to give yourself a tiaminal B12 injection is key