Glucosamine is a naturally occurring element in your body, but it is also a substance that needs to be supplemented. Today, there are many products and functional foods about Glucosamine on the market that are used in the treatment of bone and joint diseases. Because it is produced in the form of functional foods, people can buy and use it easily, many people even do not need to consult a doctor. But not everyone knows whether to take Glucosamine before or after meals? When is the best time to take it?