does vitamin b12 injection need to be refrigerated do injections bac water need to be refrigerated B12 Sublingual B12 vs. B12 Injections:

Possible Side Effects Mild side effects of Vitamin B12 may include: ( 12 ) Mild pain, itching, or swelling at the injection site Temporary nausea or headache Mild diarrhea Hot flashes Vomiting These side effects do not affect all patients and are generally temporary and mild While rare, more serious side effects of Vitamin B12 injections can include ( 12 ): Irregular heartbeat Heart palpitations Hives or skin rash If you notice any severe reactions to a Vitamin B12 shot, contact a medical professional immediately

weather or carrier issues may cause delays

Inject slowly

Do not use it if the solution appears cloudy or contains particles

Its sequence is alanine-histidine-lysine bound to a copper(II) ion

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