Does 'ferritin face' really signal iron deficiency, or is it social media myth?

Specialists say signs such as dark circles under the eyes, grey skin, cracked lips and hair loss can sometimes point to a problem, though other causes may also be involved.

Social media, especially TikTok, has popularised the idea of “ferritin face” to describe pallor, dark circles, dry skin and hair loss that are said to reflect low iron stores. But how much of that is medically sound, and when should someone see a GP?

What is ferritin?

Iron is not produced by the body, so it usually has to come from food. Ferritin is the protein that stores iron, mainly in the liver, and releases it in a controlled way.

Ferritin can be measured with a blood test to give a rough picture of the body’s iron reserves, although experts caution that the result is not always a perfect indicator.

According to guidance from the National Institute for Health and Care Excellence, a ferritin level below 30 micrograms/L suggests iron deficiency.

Even so, Sue Pavord, professor of practice in medical haematology at Oxford University hospitals, said that a level under 50 may also point to iron deficiency.

Can low ferritin affect appearance?

The features discussed by influencers, including dark circles, grey or dull skin, cracked lips and hair loss, can also stem from genetics, stress or dehydration. Even so, low iron stores can have visible effects.

“Iron is needed for every single cell of the body. So if you are iron deficient, you will be very fatigued, have brain fog, your skin will look dull and saggy, you’ll look pale and tired,” Pavord said. “While we can’t diagnose iron deficiency from the face, it might be a suggestion that there is iron deficiency.”

Prof Toby Richards of the University of East London and the Iron Clinic said the changes can be more obvious in people with very low iron stores. “They tend to be the really sick patients,” he said.

What causes low ferritin?

“Periods and pregnancies are the most common [causes],” Pavord said, adding that low iron can also result from not eating enough iron or from poor absorption, as with coeliac disease.

Blood loss linked to gastrointestinal conditions such as gastritis or polyps can also lower ferritin levels.

“We also sometimes see it in athletes because of the high demand for iron on their bodies,” she added.

What should people do if they think their ferritin is low?

Richards said people at higher risk of low ferritin, including those with heavy periods, pregnant people, parents, vegetarians and vegans, should ask for a blood test. He said this should include a full blood count, ferritin check, and tests for B12 and folate.

“This is a proper disease, and to put it into perspective, it’s the leading cause of disability in women of reproductive ability,” he said.

Pavord also advised anyone worried about their ferritin to request a blood test, stressing that doctors need to identify the underlying cause of iron deficiency.

“Older people suspecting iron deficiency would need a proper clinical assessment and investigations to look for a source of bleeding from the bowel,” she said.

Pavord said iron tablets can be bought over the counter at a pharmacy.

“Taking iron tablets without confirming iron deficiency is not really going to do you any harm, particularly if you’re a young woman, because you’re losing a lot of iron with periods,” she said.

Richards, however, said many off-the-shelf products may not provide the right dose. “If you are iron deficient, you need to be on a full treatment dose … and then repeat your blood results in three months’ time,” he said. “What’s marketed is normally the lower dose supplements.”

Is the social media focus helpful or harmful?

Pavord welcomed the greater awareness.

“We need to stop normalising iron deficiency,” she said. “Many women are just exhausted trying to cope with their periods, cope with their pregnancies, cope with their young children and their busy jobs, and we need to stop normalising fatigue.”

Richards agreed. “Anything that raises the plight of women in this area is a good thing,” he said.

Dr Asiya Maula, a GP with the private firm The Health Suite, was more cautious. “The risk with social media trends is that people may see themselves in a list of symptoms and assume they have a deficiency without checking whether that is actually the cause,” she said.