What is the fine-grained topic of the following text: Nutritional additives: Vitamin A: 24700 IU, Vitamin D3: 800 IU, E1 (Iron): 40 mg, E2 (Iodine): 2.8 mg, E4 (Copper): 12 mg, E5 (Manganese): 53 mg, E6 (Zinc): 200 mg, E8 Selenium): 0.1 mg - Preservatives - Antioxidants. Only return the topic.
Nutritional Additives Composition