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 ...

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.

General protocols are described to measure the antioxidant enzyme activity of superoxide dismutase (SOD), catalase and glutathione peroxidase. The SODs convert superoxide radical into hydrogen ...