MERSIBION ® 5000 Posted on December 30, 2016January 4, 2021 by adminmersi COMPOSITION : Each film coated caplet contains Vitamin B1 100 mg, Vitamin B6 100 mg and Vitamin B12 5000 mcg. INDICATIONS : – For the treatment of Vitamin B1, B6 and B12 deficiency as Polyneuritis.