[16] Although cyanocobalamin lacks a defined upper-toxicity threshold due to its water solubility and renal elimination, exceptionally high cumulative doses have been temporally associated with acneiform eruptions, altered potassium homeostasis, and theoretical thrombotic risk, emphasizing the importance of evidence-based dosing
This tight bond prevents copper from causing oxidative damage while ensuring it is released precisely where lysyl oxidase and lysyl hydroxylase need it

Product Purchase Includes Medication Medical provider consultation Syringes Alcohol Pads Program guide Administration video Administration and Frequency Available in Subcutaneous (SQ) and Intramuscular (IM) Injections Three times weekly As directed by your prescribing provider Contraindications Compounded Methylcobalamin injections should not be used in individuals who: Have a known hypersensitivity or allergy to cyanocobalamin, methylcobalamin, cobalt, or any component of the formulation Have Leber's disease (hereditary optic nerve atrophy) B12 administration may cause rapid optic atrophy in these patients Have polycythemia vera B12 may accelerate red blood cell production in ways that may be harmful in this condition Use during pregnancy or breastfeeding should occur only if a licensed healthcare provider determines that potential benefits outweigh potential risks

Multiple users in Canadian peptide communities have reported visible improvement in both stretch mark texture and color over the course of several GHK-Cu cycles
High-Strength Formula: Each serving contains 500g of B12