+Galactose is a simple [Monosaccharide](/wiki/monosaccharide), a sugar rarely found free in nature. It is a fundamental building block of [Lactose](/wiki/lactose), the sugar present in milk, and plays a crucial role in biological energy pathways.
+## See also
+- [Glucose](/wiki/glucose)
+- [Disaccharide](/wiki/disaccharide)
+- [Carbohydrate](/wiki/carbohydrate)