injectable b12 shoppers drug mart B100 TR Vit Complex Avoid exposure to light. Jamieson Vitamin B12 100 mcg

undertook a double blind RCT in which a population with degenerative orthopaedic alteration with neural compression were randomised to a treatment arm of either nucleosides and B12 combination of cytidine monophosphate disodium (CMP) 2.5 mg, uridine triphosphate trisodium (UTP) 1.5 mg and hydroxocobalamin 1000 g orally ( n = 200) or a B12 only regimen of hydroxocobalamin 1.0 mg orally ( n = 200)

Oral administration is extremely effective and less invasive compared to other routes

Cyanocobalamin (intramuscular route)

B12 injections are typically given monthly, and telehealth makes them more accessible

Community data adds mild GI and transient fatigue

This means you cant just buy them over the counter like you would a packet of paracetamol