Mirra Coat Nutritional Supplement for Dogs - 8 oz For a shiny, lustrous coat and healthy skin the choice is natural Mirra-Coat 03. This nutritional supplement helps stop non-seasonal shedding, reduces scratching caused by allergies, Contains high quality Omega 6 (Linoleic) and Omega 3 (Linolenic) fatty acids that are balanced in a ratio of (5:1).