加了左旋肉碱 饮料真的成了“燃燃水”吗?|日日摸夜夜添狠狠添欧美
扬子晚报讯(记者 吕彦霖)近日,盒马上新一款名为“吨吨燃燃水”的饮料,净含量960ml的饮料标注含有1200mg左旋肉碱成分。其宣传语写到“左旋相伴,‘燃力加满’”。记者注意到,此前各种“左旋肉碱咖啡”也曾一度因被包装为“减肥咖啡”而火爆。左旋肉碱是种什么成分?真的有如此功效吗?
5日傍晚,在南京华采天地盒马超市,刚下班的市民马女士拿着一瓶“吨吨燃燃水”正准备结账。她告诉记者,自己是在小红书平台上被“种草”的。被问及是否了解饮料中添加的左旋肉碱时,马女士坦言并不清楚。记者在该饮品货架前观察到,前来选购的消费者以年轻女性为主。
“吨吨燃燃水”实际口感如何?记者花8.9元购买了一瓶进行尝试,发现其整体风味偏淡,既没有突出苹果汁或椰子水的清香,也难以尝出宣传中所提及的山竹口味。在网络平台上,不少消费者表示正是因为产品宣称添加左旋肉碱而心动购买。但也有部分网友反馈,饮用后出现了腹泻等不适反应。
泰康仙林鼓楼医院内分泌科主治医师张倩介绍,左旋肉碱是一种人体可自行合成的氨基酸,主要功能是协助脂肪酸进入线粒体进行氧化分解并释放能量。尽管在理论上左旋肉碱与脂肪代谢相关,但她指出,其实际减肥效果非常有限。
张倩表示,通过日常饮食如摄入红肉、鱼虾等,人体一般能够获得足够的左旋肉碱,自身合成也通常可以满足代谢需求,绝大多数人并不缺乏。只有特殊人群,如运动量极大的运动员、健美人群,或存在合成代谢障碍的人,才可能需要额外补充。
尽管有研究表明在高强度运动期间补充左旋肉碱可能轻微提升运动表现和耐力,但张倩强调,这类效果并不显著。相反,部分人群可能因饮用该类饮料引起身体不适,“比如咖啡因过量可能导致心慌、心律不齐,或因摄入不当加重肾脏负担。”因此,张倩认为普通人并无必要额外摄入含左旋肉碱的饮料。专家同时提醒,如果消费者在服用某些添加左旋肉碱的产品后感到“减肥效果明显”,需警惕其中是否违规添加了其他药物。
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