What Is the Minimum Daily Requirement of Vitamin B1?


Quick Answer

According to MedlinePlus, the recommended daily intake of vitamin B1 ranges from 0.2 milligrams to 1.5 milligrams, depending on age and sex. This nutrient is also known as thiamine.

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Full Answer

MedlinePlus states that infants under the age of 6 months need 0.2 milligrams, while those up to 12 months need 0.3 milligrams. Children under 3 years of age require 0.5 milligrams, and children ages 4 to 8 need 0.6 milligrams. Boys and girls from age 9 to 14 require 0.9 milligrams. After the age of 13, boys and girls require different amounts of thiamine. Men over the age of 14 require 0.9 milligrams, while women aged 14 to 18 years need 1 milligram. Women older than 18 years of age require 1.1 milligrams unless they are pregnant or breast-feeding. Pregnant women require 1.4 milligrams, and nursing women need 1.5 milligrams.

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