According to Euromonitor International, the market for glucosamine has declined—yet this doesn’t necessarily mean that the mineral is going out of fashion. With over $1.5 billion in sales, glucosamine is a top ingredient in joint health supplements and studies have shown it to ease arthritic knee pain. Some sales are slumping because other ingredients are gaining in popularity (and part of the decline simply has to do with how sales are tracked), however, demand for certain types of glucosamine, specifically from vegetables, is on the rise.

Source: NutraIngredients-USA