Several supplement makers say the enzyme catalase can prevent the growth of gray hair Independent researchers say the concept is intriguing but short on clinical evidence Genetics primarily ...

In addition, the catalase supplement hasn't undergone any clinical trials to test how well it works or even its po­tential health risks. "There is no controlled data available," says Robyn Gmyrek ...

A New Consumer Market: Gray Hair Prevention All of these enzymes give drugmakers new targets for medications and supplements aimed at boosting levels of catalase, MSR A and B, and tyrosinase.