It does not significantly alter your appetite, your blood sugar, your mood, or your energy levels
Everything flows from there
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Importantly, if you have unexpectedly high B12 levels without taking supplements or receiving injections, this warrants GP review as it may indicate underlying liver disease, kidney disease, or certain blood disorders
Adequate levels can prevent nerve damage, which helps improve coordination and reduce tingling sensations
Allergic Reactions to B12 Injections Though rare, anaphylactic reactions (strong allergic responses) have been reported to either cyanocobalamin or hydroxocobalamin