can anyone have a b12 injection Vitamin Sites: All You Need to Know How Often Can I Take
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Washington, DC: National Academy Press

Thought process logical and goal-directed

While there's no one-size-fits-all answer, many health professionals recommend getting B12 injections every few weeks to maintain optimal levels

For those on a GLP-1 regimen, we may recommend B12 on a consistent schedule to help you stay energized and balanced throughout your treatment
