Some people start going gray early because of things like their genes, thyroid problems, really stressful events, or not getting enough of certain nutrients like B12, iron, or copper.

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Evidence from Studies

Supporting (1)

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The possibilities of correction of premature greying of hair and involutive hair changes

Narrative Review

This study says that premature grey hair can be caused by things like family genes, thyroid problems, stress, and not having enough B12, copper, or iron — which is exactly what the claim says.

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No contradicting evidence found

Gold Standard Evidence Needed

According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

The possibilities of correction of premature greying of hair and involutive hair changes

Score: 1

DOI: 10.33667/2078-5631-2024-9-7-11

Similar Assertions

People who go gray too early might have low levels of copper, iron, or vitamin B12—these nutrients might help keep hair its natural color.

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Kids who start getting gray hair earlier than normal are more likely to be missing important vitamins and minerals like B12, iron, and zinc compared to other kids.

36

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People who start going gray earlier than most tend to have less vitamin B12 in their blood and are more likely to be deficient in it than others their age.

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79%

Some people get gray hair early because of things like their genes, stress in their body, smoking, or not having enough of certain vitamins and minerals like iron or copper.

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78%

People whose hair turns gray too early often have lower levels of iron, zinc, and copper in their bodies compared to people whose hair grays normally.

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76%