B12 Vitamin Shot Treatment in Las Vegas Free Consultation B12 Injectables for Skin Health ZO Skin Centre Dallas B12 Injection Frequency: How Often Should You Get a B12 Shot? Liv Hospital At Home Vitamin B12 4 Week Injection Package MUST BE A FLORIDA RESID CardioMender, MD B12 Folate normal ranges in blood work can be between 220 and 1200. I personally think anything under 600 is too low. B12 injections are the best (by pass digestion) and you can Intramuscular Injection: Definition and Patient Education