The glucosamine molecule - rotatable in 3 dimensions

This molecule can be moved by holding down the left mouse button and dragging. The right button gives many options.
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Click on the interactive links below, or simply mouse over the green writing.

Glucosamine is a modified version of glucose, with an amino group (-NH2), attached to carbon 2.

It is the basic subunit from which a variety of polysaccharides are built up.

In the human body it is particularly useful in building up healthy joints, so it has become a staple line in many health food shops.
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Possibly relevant
material available online
(from Amazon.com)

Possibly relevant
material available online
(from Amazon.co.uk)