Vitamins - B1 - Optimal Absorption

Excessive sugar or alcohol will destroy or limit the absorption of thiamin. Tea and coffee in large amounts will promote its excretion through the urine. Most drugs inhibit vitamin B₁ absorption.

The following is a list of United States 1997-1998 Dietary Reference Intakes (DRI): Recommended Dietary Allowances (RDA) for nutritional vitamin B₁ intake and are included as a guideline only. Consult with your nutritionist, naturopath, or other health practitioner for a dosage appropriate for your needs. Children under 6 years of age should be under the supervision of the above mentioned specialists if directly supplementing with vitamin B₁.