can b12 injections cause low potassium issues: Fact or fiction? Has anyone actually had hypokalemia diagnosed via blood test after supplements/injections? : r/B12_Deficiency Do You Need a Prescription

While we listed two options above, here are three additional supplements worth considering: NOW Foods Methyl B-12 lozenges: With the option to chew or let them dissolve in your mouth, these lozenges provide 41,667% of the DV for vitamin B12

There was no evidence of associations with other hormones

However, that will only happen if fatigue is caused by being B12 deficient before the shots are started

References PubChem search: AHK copper peptide PubMed: Ala-His-Lys copper peptide PubMed: copper peptides and extracellular matrix Research-use notice: Supplied strictly for lawful research, laboratory, analytical, educational, or R&D purposes where permitted by applicable law