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Glucose

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Glucose is a hexose sugar vital as a substrate for energy metabolism. For some tissues e.g. the brain, it is an obligatory energy source.

It is rarely found in its monosaccharide form e.g. in some fruit, but instead is abundant in the disaccharides maltose, lactose and sucrose, and in the polysaccharide starch.

Within the body glucose is stored as glycogen; occasionally, other compounds may be modified to create glucose e.g. in starvation.

Glucose is under the regulation of a homeostatic control system which aims to keep the fasting plasma concentration within narrow limits. Insulin-dependent diabetics are prone to fluctuations out of range: hyperglycaemia and hypoglycaemia following treatment.


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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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