b12 injection 500 mcg Cyanocobalamin IP eq. to Anhy. Cyanocobalamin (Vitamin B12) Supplementing with injectable B12 helps treat these low levels and improve your pets health Vitamin B-12 Cyanocobalamin
1000 mcg

Bokov AF, Garg N, Ikeno Y, Thakur S, Musi N, DeFronzo RA, Zhang N, Erickson RC, Gelfond J, Hubbard GB, Adamo ML, Richardson A

Elahi D, McAloon-Dyke M, Fukagawa NK, Sclater AL, Wong GA, Shannon RP, Minaker KL, Miles JM, Rubenstein AH, Vandepol CJ

Put the three together and the pitch is a loop: supply NAD+, protect NAD+, then flip on the pathways that spend it productively

More serious deficiencies have the potential to impair heart and neurological function, leading to a wide range of serious symptoms, including but not limited to tinnitus, severe joint pain, memory problems, depression, anxiety, poor muscle function, ataxia and changes in reflexes