Contraindications include known hypersensitivity to any component of the injection (including cobalt hypersensitivity), a history of severe reactions to thiamine/pyridoxine/cobalamin injections, and Lebers hereditary optic neuropathy (for B12-containing products)
Always consult a licensed healthcare professional, follow institutional safety protocols, and verify local regulations before purchasing, storing, or administering any peptide, such as Ozempic, Wegovy, semaglutide, CJC-1295, or Ipamorelin, or bacteriostatic solution
This is especially true for vitamin B12 (cobalamin)
Balamurugan, A
Last reviewed: June 7, 2026 Read article Product resources What vial size is listed for Tirzepatide
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