These extremely rare side effects include: Reactive thrombocytosis during the first week of use in megaloblastic anaemia Hypersensitivity reactions including: rash, itching, exanthema, antibodies to HYDR0XOCOBALAMIN-transcobalamin II Anaphylaxis Hypokalaemia Headache, paraesthesia, tremor Irregular heartbeat (arrhythmias secondary to hypokalaemia) Nausea Vomiting Diarrhoea Fever, chills, hot flushes, dizziness, malaise, pain and / or swelling at the injection site Acne Abnormal colouration of the urine (chromaturia) What should you not do after a B12 shot
1% AHK-Cu (Copper Tripeptide-3)
Prioritize Lifestyle Fundamentals: Remember that supplements are intended to complement, not replace, a healthy lifestyle
However, this site is not common for self-injection because its small muscle mass limits the volume of medication that can be injected typically no more than 1 milliliter
It also supports your nerves