科学营养助力国民健康，518全民营养节倡议“每天一杯优质蛋白”

Core Viewpoint - The article emphasizes the importance of high-quality protein intake for improving national nutrition and health, highlighting the ongoing challenges of protein deficiency among various demographics in China [1][4]. Group 1: Current Nutrition Status - 45% of adults in China are at risk of insufficient protein intake, despite improvements in overall dietary nutrition [3][4]. - A significant portion of children (55.71%) have a single source of protein, while 89.55% of elderly individuals face protein deficiency due to decreased digestive absorption [4]. - Nearly 60% of individuals on weight loss programs experience a sharp decline in protein intake, and over 70% of respondents are unaware of how to scientifically supplement protein [4]. Group 2: Importance of Quality Protein - Quality protein is essential for maintaining health throughout the life cycle, with deficiencies potentially leading to weakened immunity, muscle loss in the elderly, and stunted growth in children [4][5]. - The article advocates for a better understanding of the role of quality protein in enhancing immunity, muscle maintenance, and weight management [5]. Group 3: Nutritional Recommendations - The 518 National Nutrition Festival provides tailored protein intake recommendations for various groups, including children, office workers, the elderly, pregnant women, weight loss individuals, and fitness enthusiasts [6]. - Adults should aim for 1 gram of protein per kilogram of body weight daily, while individuals aged 65 and above should increase this to 1.2 grams per kilogram [6]. - It is recommended that quality protein should constitute more than half of total protein intake, with a focus on the complementary nature of plant and animal proteins for better digestion and absorption [6]. Group 4: Initiatives and Outreach - The 518 National Nutrition Festival aims to promote scientific nutrition knowledge through various interactive platforms, engaging over 200 nutritionists to reach different demographics [10]. - The festival's initiatives include advocating for food diversity and the scientific intake of key nutrients, culminating in the current focus on "one cup of quality protein daily" [8][11].