Once reconstituted, store the vial under refrigeration at 28C and use within the peptides documented stability window
These could include symptoms such as itching, a rash/hives, swelling especially around the face or throat, or difficulty breathing
NHS advice says B12 is not naturally found in foods such as fruit, vegetables and grains, so vegans may not get enough without fortified foods or supplementation
This is not a definitive test, but if something smells wrong in addition to looking wrong, the evidence for discarding the vial becomes even stronger
If you have concerns, contact your provider or the poison control helpline
For a subcutaneous (SubQ) injection, a finer, shorter needle is used, around 25 to 27 gauge and half to five-eighths of an inch