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Too little B12 in your body can affect your bones, hair, skin, nails, energy level, mood, and memory
Most are mild to moderate and improve as your body adjusts to the medication
This is why injections are needed to keep B12 levels up
Pattern 4: The "energy crash" at week 10-12
B12 injections typically deliver about 1,000 mcg per dose, while oral supplements can range from 50 to 5,000 mcg
What to Expect After a B12 Injection FAQs Yes, especially if you're deficient in B12
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