where can i buy liquid vitamin b12 for injection B12, Natural, 2 fl oz (59 ml) 000 mcg/mL of vitamin B walmart b12 injections 3 pack)
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Additionally, poor blood sugar control can disrupt our fasting glucose and cortisol levels (the stress hormone), adding unnecessary strain to the body, and contributing towards imbalances in the whole hormone (endocrine) system 2

For that reason, healthcare professionals only prescribe them short term

However if your B12 is already borderline that could be enough reason for you to avoid it

They could interact with other medicines or health issues