vitamin b12 injectable cyanocobalamin 1000mcg ml 30ml vial Injection – 1000 mcg/mL and helps maintain overall health and vitality when used under veterinary supervision Cyanocobalamin Injection USP 1000 mcg/mL

Further, NICE and the BNF says that if there are neurological symptoms present, then every other day injections are the recommended treatment, so all the points you make about B12 being stored and sufficient are not really relevant

This is convenient but expensive

Schlesinger S, Herder C, Kannenberg JM, Huth C, Carstensen-Kirberg M, Rathmann W, et al

Antibacterial drugs should be administered with caution to any patient who has demonstrated some form of allergy, particularly to drugs

Liver Consult your doctor Patients with liver disorders should consult their doctor before using Renerve Plus Injection 2ml

This combination is increasingly being explored in clinical practice and advanced longevity programs