Aviboost ™ Poultry Tonic (Prices from)Is a balanced, concentrated liquid performance enhancer for chickens, geese, ducks, ostriches, turkeys and other avians. Active Ingredients Per litre (m v) Vitamin A: 500,000 IU Vitamin D3: 75,000 IU Vitamin E: 1,000 mg Vitamin B1: 1,250 mg Vitamin B2: 500 mg Vitamin B6: 625 mg Vitamin B12: 5,300 mcg Vitamin K (MSB) 350 mg Vitamin C: 1,000 mg Iodine: 500 mg Selenium: 125 mg Cobalt: 500 mg Copper*: 2,000 mg Manganese*: 1,000 mg Biotin: 1,250 mcg