: a protein found in egg white that inactivates biotin by combining with it
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Additionally, the protein avidin found in raw egg whites obstructs the absorption of biotin, according to Chewy.
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Olivia Munson, USA TODAY, 30 Jan. 2025
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Olivia Munson, USA TODAY, 30 Jan. 2025
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“Avidin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/avidin. Accessed 15 Jan. 2026.
Copy CitationMedical Definition
avidin
noun
av·i·din
ˈav-əd-ən 
: a protein found in white of egg that inactivates biotin by combining with it
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