Why should biotin usage be paused before undergoing blood work?
Answer
It can cause laboratory machines to return incorrect thyroid function results
Biotin, a supplement frequently taken for hair and nail health, does not compete for nutrient absorption but instead interferes with diagnostic accuracy. Specifically, biotin consumption can lead to false readings on laboratory equipment used to analyze thyroid function. Because it alters the data output of these machines, individuals are often advised to temporarily stop taking biotin a few days before any blood work to ensure that the medical team receives accurate data for diagnosis and decision-making.
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