NASO B12 is an Original Research product of Troikaa Pharmaceuticals Limited. It is the World's First Nasal Drug Delivery of Methylcobalamin (the biologically active form of vitamin B12). NASO B12 provides assured absorption of Methylcobalamin from the nasal mucosa directly into the bloodstream and thereby, rapidly corrects deficiency of vitamin B12. NASO B12 is the only approved Methylcobalamin Nasal Spray, clinically proven to increase and maintain healthy vitamin B12 levels.

NASO B12 contains 500 mcg Methylcobalamin in 0.1 ml. It is available in a 2.3 ml amber coloured glass bottle with an actuated spray device for ease of dosage administration. After initial priming, each spray delivers 250 mcg (0.05 ml) of Methylcobalamin with the total of 46 sprays of Methylcobalamin nasal spray. One dose of NASO B12 comprises 2 sprays (500 mcg) i.e. 1 spray (250 mcg) in each nostril.