A patient with spasmodic dysphonia recently asked me whether Zytaze dietary supplement would help enhance the effectiveness of the botox injections I perform to treat spasmodic dysphonia. This dietary supplement contains Zinc Citrate 25mg and Phytase 500mg. Phytase is an enzyme that effectively breaks down phytates commonly found in whole grain products and cereals. Phytase basically enhances zinc absorption in the gut. So what's so special about zinc as it relates to botox ? Theor…