现在不少人在购物时发现，很多食品的外包装上都标有"低GI"字样，而且种类琳琅满目。那么，这些包装上的低GI是什么意思呢？据了解，GI全称为血糖 生成指数，它反映了某种食物引起血糖升高的能力。依据中国营养学会2023年发布的《预包装食品血糖生成指数标示规范》，低GI食品是指产品含可利用 碳水化合物（糖、淀粉），且血糖生成指数小于等于55的食品。低GI的加工食品通过特殊配方与工艺设计，能减缓可利用碳水化合物消化吸收速率，避免 血糖剧烈波动，具备慢消化，慢升糖，饱腹感强等特征。 记者走进一家大型连锁食品超市，发现标有"低GI"标识的食品占据着显眼位置。低GI的麦片、蛋糕、饮料、休闲食品，甚至低GI大米、面条等产品多达数 十种。一款标注"低GI认证"的纯酸奶，四小盒的价格接近30元人民币，而相同规格的普通酸奶，价格仅十几元。 记者在某电商平台的搜索栏输入"低GI"，商家有的强调自己通过了低GI认证，有的标注自己的产品"零蔗糖、零色素、零反式脂肪酸"，还有的宣称自己的产 品"在控糖期也能随便吃"。 低GI食品受追捧 食用效果褒贬不一 在健康消费趋势的推动下，"控糖"成为不少人的生活关键词，"低GI"食品受到了很多消费者 ...

转自：北京日报客户端 与商家的高调宣传不同，网络上对低GI食品的效果却争议不小。 现在不少人在购物时发现，很多食品的外包装上都标有"低GI"字样，而且种类琳琅满目。那么，这些包 装上的低GI是什么意思呢？据了解，GI全称为血糖生成指数，它反映了某种食物引起血糖升高的能 力。依据中国营养学会2023年发布的《预包装食品血糖生成指数标示规范》，低GI食品是指产品含可 利用碳水化合物（糖、淀粉），且血糖生成指数小于等于55的食品。低GI的加工食品通过特殊配方与 工艺设计，能减缓可利用碳水化合物消化吸收速率，避免血糖剧烈波动，具备慢消化，慢升糖，饱腹感 强等特征。 低GI食品受追捧 食用效果褒贬不一 在健康消费趋势的推动下，"控糖"成为不少人的生活关键词，"低GI"食品受到了很多消费者的欢迎。那 么，市场上琳琅满目的低GI产品，有没有效果，到底怎么选择，如何食用？ 记者走进一家大型连锁食品超市，发现标有"低GI"标识的食品占据着显眼位置。低GI的麦片、蛋糕、饮 料、休闲食品，甚至低GI大米、面条等产品多达数十种。一款标注"低GI认证"的纯酸奶，四小盒的价格 接近30元人民币，而相同规格的普通酸奶，价格仅十几元。 记者 ...

Core Viewpoint - The article discusses the rising popularity of low glycemic index (GI) foods, particularly among older consumers, and the potential implications for health and marketing strategies in the food industry [3][16][18]. Group 1: Low GI Food Trends - Low GI foods have become ubiquitous in supermarkets, with various products prominently displaying "low GI" labels [7][8]. - The demand for low GI foods is driven by a significant diabetic population in China, prompting government initiatives to promote healthier eating habits [16][18]. - The certification process for low GI foods involves rigorous testing to ensure that blood sugar responses are significantly lower than that of glucose [17][20]. Group 2: Consumer Behavior and Marketing - Older consumers, particularly retirees, are increasingly willing to invest in health-oriented products, despite higher prices associated with low GI certifications [30]. - The article highlights a contrast between the purchasing power and health awareness of older consumers versus younger working individuals, who may prioritize cost and convenience over health [34]. - Marketing strategies have evolved to target health-conscious consumers, with products often featuring various health claims and certifications to attract buyers [11][20]. Group 3: Product Pricing and Perception - Low GI products are often priced significantly higher than their non-GI counterparts, with some items costing up to 40% more [14][30]. - The perception of health benefits associated with low GI foods can lead to a psychological effect, influencing consumer choices and satisfaction [23][25]. - The article raises questions about the authenticity and reliability of low GI certifications, as different products may carry varying labels and standards [21][20].

Core Viewpoint - The article discusses the rising trend of low glycemic index (GI) foods in the market, particularly targeting older consumers, and raises concerns about the authenticity and marketing strategies behind these products [1][5][12]. Group 1: Market Trends - Low GI food labels have become ubiquitous in supermarkets, appearing on various products from noodles to snacks, indicating a significant shift in consumer awareness and demand for healthier options [6][10]. - The concept of low GI foods is being promoted as part of a national health initiative, with the government encouraging the consumption of low sugar or no sugar products to combat diabetes [12][14]. Group 2: Consumer Behavior - Older consumers, particularly retirees, are increasingly investing in low GI foods, despite the higher prices associated with these products, reflecting a shift in their spending priorities towards health [26]. - There is a growing "health anxiety" among consumers, leading them to seek out products that claim to have health benefits, such as low GI foods, which may not always be substantiated [10][30]. Group 3: Certification and Authenticity - The process for obtaining low GI certification involves rigorous testing to ensure that the blood sugar response to the product is significantly lower than that of glucose, which adds credibility to the label [13][16]. - Different products may carry varying low GI certifications due to the involvement of multiple third-party laboratories, leading to inconsistencies in labeling and consumer confusion [16][17]. Group 4: Pricing Dynamics - The presence of low GI labels can lead to a price increase of up to 40% for similar products, raising questions about the value proposition for consumers [12][11]. - Despite the higher costs, consumers are willing to pay more for products that align with their health goals, indicating a potential market opportunity for companies offering certified low GI foods [26].