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It is worth noting that although these are the common dosages and frequencies for B12 injections, that does not mean that they are set in stone
When adverse effects occur, they may include mild skin reactions, gastrointestinal disturbance, or headache, typically following high-dose intramuscular injections rather than oral supplementation
Inability to convert B12 to a usable form As is mentioned above, there are polymorphisms (MTHFR, MTRR) that can inhibit the body from converting B12 to a usable form
Do not take other forms of B12 while undergoing injections to prevent overdose
Community-reported data The information below reflects self-reported experiences from PeptIQ app users
Do B12 Shots Hurt
