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Laboratory Parameters to Track To see if Vitamin B12 shots are helping, we look at a few important lab tests

Though the link isnt well understood, scientists have linked the vitamin to serotonin and depression in people with a deficiency

The deltoid muscle is often used for smaller volumes, while the gluteal muscle can accommodate larger volumes

Generally, B12 shots are designed to provide a sustained boost in B12 levels, but the exact timeframe can depend on factors such as your metabolism, lifestyle, and any underlying health conditions

For Some food sources of the vitamin include: However, a person with B12 deficiency may not be able to absorb enough of the vitamin from their diet

doi:10.1093/aje/kww212