| Compound | Description |
|---|---|
| pyruvic acid | An intermediate compound in the metabolism of carbohydrates, proteins, and fats. In thiamine deficiency, its oxidation is retarded and it accumulates in the tissues, especially in nervous structures. (From Stedman, 26th ed) |
| l-lactic acid | |
| glucose, (beta-d)-isomer | |
| d-glutamine |