References 1 AgamanolisD
Understanding IV B12 therapy helps doctors choose the best treatment for their patients
Phospho-Histone H3 (Ser10) #3465, Cell Signaling Technology
It is also important to be aware of symptoms that may suggest either worsening B12 deficiency or poorly controlled blood glucose, and to seek prompt medical advice if you experience: Persistent fatigue, breathlessness, or pallor (possible anaemia) Tingling, numbness, or weakness in the hands or feet (possible B12-related neuropathy) Unsteadiness when walking, or changes in memory or thinking (possible signs of more severe B12 deficiency requiring prompt assessment) Increased thirst, frequent urination, or unexplained weight loss (possible hyperglycaemia) If you think you may be experiencing a side effect from a medicine for example, symptoms of B12 deficiency that you believe may be related to metformin you or your healthcare professional can report this via the MHRA Yellow Card scheme at yellowcard.mhra.gov.uk

Gallbladder disease: Incretin-based therapies have been associated with an increased risk of cholelithiasis (gallstones) and cholecystitis (gallbladder inflammation), as noted in the UK SmPCs for licensed comparators such as semaglutide and tirzepatide
What do peripheral-nerve studies suggest about BPC-157