B12 vs. B Complex What's the Difference? At REVIV Gibraltar, we offer: Vitamin B12 Injection Methyl B12 Injection Super B (B Complex) Injection Not sure which one is right for Many people know about the benefits of B12 shots, but did you know our Naturopathic Doctors use other vitamin injections as part of their comprehensive treatment plans? Various nutrients can be combined Vitamin B12 Injection at BiosenseClinic.com a Licensed Pharmacy Multivitamin's B Complex with Vitamin B12 1000mcg For IM IV Use 10 x 3ml Body Balance Vitamins Vitamin B Complex Fortified Injection, 100 ml