Pulmonary side effects are uncommon
4 COAs available 5mg / Lot 3548423 HPLC / Tested 5/27/2026 A New Standard for Peptide Manufacturing For research use only Step 01 Sourcing Raw peptide materials are sourced from FDA-registered, green-listed suppliers, then verified and third-party tested on receipt
To receive a vitamin B12 injection at our pharmacy, patients must now complete the process through VITAJAB before attending the pharmacy
Learn more about the causes of vitamin B12 deficiency
Conditions associated with elevated B12 levels include: Liver disease : Hepatocellular damage releases stored B12 into circulation, with levels correlating with disease severity in conditions such as cirrhosis, hepatitis, and hepatocellular carcinoma Renal impairment : Reduced kidney function decreases B12 clearance, leading to accumulation Haematological malignancies : Myeloproliferative disorders, acute leukaemia, and polycythaemia vera can elevate B12 through increased production of B12-binding proteins (transcobalamins) Solid tumours : Certain cancers, particularly those affecting the liver or gastrointestinal tract, may elevate B12 levels A specific concern relates to cyanocobalamin in patients with Leber's hereditary optic neuropathy , a rare mitochondrial disorder