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But one of its lesser-known roles is in supporting healthy hair follicles
It binds plasma proteins more tightly and is retained far longer, which is why a single dose holds therapeutic levels for roughly eight to twelve weeks and supports a maintenance interval of two to three months
Some people may not be suitable for B12 injections without further medical advice, depending on their medical history or allergy risk
We update this list as new data comes in
Make sure you choose needles with an ergonomic bevel
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