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Order Online Now The symptoms and severity of symptoms vary between individuals but the main symptoms associated with vitamin B12 deficiency are extreme tiredness, lack of energy, breathlessness, feeling faint, palpitations, pale skin, loss of appetite and weight loss
Since the body cannot produce vitamin B12 on its own, it must be obtained through diet or supplements
IM is traditional for rapid absorption
One (blue/green) for injecting, typically longer for intramuscular administration
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