复合微营养素(AD 铁锌)系营养素补充剂,内含微营养素铁、锌、维生素 A、维生素 D 等4种微营养素。本研究观察了每周服对儿童生长发育的影响,现将研究结果报告如下:一、研究内容1.补充 AD 铁锌对儿童生长发育的影响;2.补充 AD 铁锌对儿童营养素状况的影响。 Compound micronutrients (AD iron and zinc) Department of nutrient supplements, containing micronutrients iron, zinc, vitamin A, vitamin D and other four kinds of micronutrients. This study observed the impact of weekly service on children’s growth and development, the research results are reported as follows: First, the research content of AD iron and zinc supplementation on children’s growth and development impact; 2 supplement AD iron and zinc on children’s nutrient status .