SU-PER Garlic D.E Supplement Powder An all natural, feed though fly control product. Much safer and more economical than most chemical-based feed through products. The garlic, yeast, vinegar, thiamine and grape seed extract deter biting flies and mosquitoes. Diatomaceous earth is also included to prevent flies from breeding in manure. For the first two weeks, feed 2 ounces daily, split among daily feedings if possible. After initial two weeks, feed one ounce daily for maintenance. Increase to 2 ounces daily when more effectiveness is needed. Dosage based on a 1,000 pound adult horse, adjust accordingly for weight. Powder formula. Product Facts (per 1 oz): 240 Servings per container. Diatomaceous Earth ......... (50%) 14,175 mg Garlic Powder ........ (40%) 11,340 mg Brewer's Yeast ........ 2,000 mg Thiamine Mononitrate ....... 250 mg Grape Seed Extract .......... 25 mg Inactive ingredients: Apple cider vinegar, mineral oil. **Ingredients listed are for informational purposes only and are subject to change by the manufacturer. Always refer to the manufacturer and actual product label/inserts for current ingredients, recommended dosage, precautions and warnings before use.