NAF D-Itch Supplement Powder 780g By improving the diet we can support the horse?s own natural defenses. Specifically formulated to help the horse fight unpleasant spring and summer skin conditions, Love the SKIN he?s in D-Itch Supplement provides a unique blend of scientifically verified, naturally sourced antioxidants to efficiently flush out the build up of free radicals associated with itchy irritated skin. D-Itch also includes herbs and nutrients to support strong healthy skin from within. For optimum support, start improving the horse?s diet with D-Itch prior to the onset of midge menace, to allow the key nutrients to become assimilated within the system.