GarlicGuard™ is an appetite/flavor enhancer for freshwater and saltwater fish. GarlicGuard™ will help renew the interest of poor or finicky eaters. GarlicGuard™ contains the naturally derived, active ingredient found in garlic, allicin, which has been demonstrated to possess health promoting benefits. Allicin possesses strong anti-oxidant properties (similar to Vitamin C) which promote enhanced health through elimination of dangerous free radicals. For enhanced health benefits, GarlicGuard™ also contains Vitamin C. Freshwater and Marine. Reef safe