maximum daily dose for vitamin B
The maximum daily intake of vitamin B6 is 30 milligrams for children aged 1-3 years, 40 milligrams for children aged 4-8 years, 60 milligrams for children aged 9-13 years, and 80 milligrams for adult males and females and pregnant or breastfeeding females aged 14-18 years.or nausea and vomiting of pregnancy, the following doses of vitamin B6 have been taken by mouth: 25 milligrams every eight hours for 72 hours; 10 milligrams of pyridoxine HCl every eight hours for five days; and 100 milligrams daily for seven days.