Maximum dose of Neurobion

Content:
Thiamine 100mg , Pyridoxine 200mg, Cyanocobalamin 200mcg
Recommended dose:

• 1 tablet 3 times daily
• No information on maximum dose
• Maximum dosing based on individual components

Thiamine 

• usual dose of thiamine is 5-30 mg daily in either a single dose or divided doses for one month.
• The typical dose for severe deficiency can be up to 300 mg per day

Pyridoxine 

• 20-50mg TDS (B6 deficiency)
• 100-400 g daily in divided doses (sideroblastic anaemia)
• Long term use in doses above 200mg has been associated with neuropathy

Cyanocobalamin

• Bioavailability is approximately 25%
• Adults: 50-6000 mcg/ day

References:
MOH Drug Formulary
https://ods.od.nih.gov/factsheets/Thiamin-HealthProfessional/

http://www.drugs.com/dosage/thiamine.html

http://www.drugs.com/dosage/pyridoxine.html

http://www.drugs.com/ppa/cyanocobalamin-vitamin-b12.html