Vitamin B1; Thiamine

The Recommended Dietary Allowance (RDA) for vitamins reflect how much of each vitamin most people should get each day. The RDA for vitamins may be used as goals for each person.

How much of each vitamin you need depends on your age and gender. Other factors, such as pregnancy and illnesses, are also important. Adults and pregnant or breast-feeding women need higher levels of thiamin than young children.

Dietary Reference Intakes for Thiamin:

Infants

• 0 - 6 months: 0.2* milligrams per day (mg/day)
• 7 - 12 months: 0.3* mg/day

*Adequate Intake (AI)

Children

• 1 - 3 years: 0.5 mg/day
• 4 - 8 years: 0.6 mg/day
• 9 - 13 years: 0.9 mg/day

Adolescents and Adults

• Males age 14 and older: 1.2 mg/day
• Females age 14 to 18 years: 1.0 mg/day
• Females age 19 and older: 1.1 mg/day

The best way to get the daily requirement of essential vitamins is to eat a balanced diet that contains a variety of foods.

Images

Vitamin B1 benefit

Vitamin B1 source

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Thiamin Prevention

Review Date: 02/15/2011
Reviewed By: Alison Evert, MS, RD, CDE, Nutritionist, University of Washington Medical Center Diabetes Care Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org)