近期在TikTok上流行的“铁蛋白脸”概念声称，面部苍白和黑眼圈等外观特征可以指示体内铁储备不足 1。对此，医学专家澄清指出，虽然缺铁确实会导致疲劳和皮肤变化，但这些症状的成因复杂，仅凭外观无法进行确诊 1。牛津大学医院血液学教授Sue Pavord表示，铁蛋白水平低于50微克/升可能提示缺铁，而英国国家卫生与临床优化研究所（NICE）指南则规定，血液铁蛋白水平低于30微克/升即表明缺铁 1。
缺铁已被认定为育龄女性残疾的主要原因 1。医生警告称，此类社交媒体趋势可能导致人们对照症状列表后自行假设患有缺乏症，从而忽视实际检查 1。因此，专家建议经期量大者、孕妇、素食者及运动员等高风险人群应通过血液检测来确诊，并谨慎对待网络健康趋势以避免自我误诊 1。
Medical experts are urging caution regarding the viral "ferritin face" trend on TikTok, which claims that visible signs such as facial pallor and dark under-eye circles can indicate low iron reserves in the body 1. While clinicians confirm that iron deficiency does cause fatigue and skin changes, they emphasize that these symptoms have complex origins and cannot be diagnosed solely by appearance 1.
The National Institute for Health and Care Excellence (NICE) guidelines specify that a blood ferritin level below 30 micrograms per liter indicates iron deficiency 1. Sue Pavord, a professor of hematology at Oxford University Hospitals, noted that levels below 50 may also serve as an indicator of iron deficiency 1.
Iron deficiency is recognized as a major cause of disability among women of childbearing age 1. High-risk groups identified include women with heavy menstrual bleeding, pregnant individuals, vegetarians, and athletes 1. Doctors warn that social media trends pose a risk where users might assume they suffer from deficiencies after seeing symptom lists without undergoing actual medical testing 1. Consequently, professionals recommend that those in high-risk categories seek proper blood tests to confirm their status rather than relying on visual cues promoted online 1.
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