Sorbitol as a Sweetener in the Diet of Insulin‐dependent Diabetes

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Abstract
We compared sorbitol given alone and as part of a mixed meal to nine insulin‐dependent diabetics (IDD's) during continuous subcutaneous insulin infusion (CSII). Blood glucose, sorbitol and breath hydrogen+methane were measured following six test meals: Pure glucose, sorbitol and lactulose, a mixed meal alone, and sweetened with sorbitol and sucrose. Blood glucose increase was very small after lactulose and sorbitol, significantly larger after glucose. A considerable increase in breath hydrogen+methane appeared after sorbitol and lactulose, but not after glucose. No differences in blood glucose responses were found after the mixed meal alone or sweetened with sorbitol and sucrose. A sustained low level increase in breath hydrogen+methane occurred after all solid meals. Sorbitol was not detected in serum after any meal. Conclusion: Sorbitol ingested by IDD's during CSII in watery solution is not absorbed in the small intestine and causes osmotic diarrhoea. Ingested in a composite meal it does not affect blood glucose and does not cause osmotic diarrhoea.