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Vitamin B12 injections work by restoring your bodys levels quickly, helping essential systems function properly
For higher doses or when absorption is poor, they can be given through a vein
The good news is that its the complete opposite
It is mainly produced by the liver (accounting for 75 % of circulating IGF-1) secondary to growth hormone (GH) and insulin endocrine stimulation in the liver
Patients may not know whether they need B12, folate, iron, vitamin D or something else
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