Is Super Wernets denture adhesive generally well-reviewed?

Super Wernets denture fixative powder has an average rating of four out of five stars, according to Amazon.com. However, it may be unsafe to use Super Wernets, as GlaxoSmithKline discontinued this product in 2010 due to the potential health risks of zinc-containing denture adhesives.

Although zinc is an essential nutrient, excessive zinc intake can lead to severe nerve damage, notes the Food and Drug Administration. The FDA has not conclusively found a connection between Super Wernets or other zinc-containing denture adhesives and adverse health effects, but it recommends that denture wearers avoid overusing adhesives and speak with their dentist for advice on proper adhesive use.