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刘爷爷的儿子非常孝顺,每次从北京回老家都会给他带回一些复合维生素、钙片、蛋白粉等营养素补充剂。看着这些营养补品,刘爷爷虽然很高兴,但也感到有点茫然——我真的需要这些补品吗?[我们需要吃营养素吗]什么是营养素?凡是能维持人体健康、成长、发育和运动所需要的物质,均称为营养素。现代医学研究表明,人体所需要的营养素
Liu’s grandfather’s son is very filial, every time from Beijing back home will give him back some of the complex vitamins, calcium, protein powder and other nutrient supplements. Looked at these nutritional supplements, Grandpa Liu was happy, but felt a little dazed - Do I really need these supplements? [We need to eat nutrients?] What is nutrients? Anything that can sustain human health, growth, development and exercise The substances needed are all called nutrients. Modern medical research shows that the body needs nutrients