Monosaccharides are small molecule carbohydrates that contain only a single six-membered ring of carbon and oxygen, but often exist in equilibrium with a five-membered ring and straight chain form.

Glucose-galactose malabsorption (GGM) is a rare metabolic condition. It occurs when a genetic variation makes the body unable to properly absorb the simple sugars glucose and galactose. Sugars are the ...