b12 injection when sick is vitamin good for you Vitamin B12 A Vitamin B12 injection is a quick B12 Injection Dosage and Frequency:

What is the role of tiaminal B12 injection in vitamin B12 supplementation

Kraus D, Yang Q, Kong D, Banks AS, Zhang L, Rodgers JT, Pirinen E, Pulinilkunnil TC, Gong F, Wang YC, Cen Y, Sauve AA, Asara JM, Peroni OD, Monia BP, Bhanot S, Alhonen L, Puigserver P, Kahn BB

It focuses on maintaining efficient energy production and supporting systems essential for overall vitality

You may need a vitamin B12 supplement if you're a vegan or vegetarian, you don't eat B12-fortified foods every day, and your prenatal vitamin doesn't include B12

Goodman states

Improper storage, and especially exposure to heat, can reduce potency or even cause the vitamin to break down over time, rendering it less useful in addressing deficiencies and supporting overall health