Compounded Vitamin B Complex Injection Empower Pharmacy Neurobion B12 Forte 10 Vials, 10 ml Liquid Vitamin Complex for Deficiencies, Metabolism, Immune Support Walmart.com What happens when you mix B Complex + B12 in an IV bag? , When B Complex and B12 are combined in an IV, youre giving your body a powerful blend of essential B vitamins that work together to fuel Neurobion is a combination of vitamin B1, B6 and B12 which supports healthy nerves and reduces symptoms of numbness and tingling. Neurobion injection is available at DnD to supplement those with vitamin