Adequate Intakes (AIs). These are used instead of RDAs when an EAR cannot be calculated. Both the RDA and the AI may be used as goals for individual intake. Tolerable Upper Intake Levels (ULs).

The research reported, describes the progress and problems leading to that objective. Aspects of the role of thiamin in disease and of thiamin deficiency also are included. (wz).

Thiamin is an essential water-soluble nutrient that is naturally available in some foods and available as a supplement.

This study determined the prevalence of thiamin deficiency (TD) in a cross-section of hospitalized congestive heart failure (CHF) patients and investigated factors that may contribute to its development.