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Yes, you can give yourself Vitamin B12 shots if you know how
Others apply only in the morning to avoid any potential product transfer during sleep
A slightly thinner gauge is often more comfortable, as long as it is still strong enough for the injection
Needle sizing follows a flipped scale: a higher gauge number actually means a narrower shaft, so a 25-gauge needle is finer than a 21-gauge one
It is used to treat vitamin B12 deficiency, anemia, and certain nerve damage conditions
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