biotin

noun

bi·​o·​tin ˈbī-ə-tən 

: a colorless crystalline growth vitamin C₁₀H₁₆N₂O₃S of the vitamin B complex found especially in yeast, liver, and egg yolk

Examples of biotin in a Sentence

Recent Examples on the Web

Small clinical trials have shown biotin supplementation may improve the firmness, thickness and hardness of brittle nails. —Caroline C. Boyle, USA TODAY, 10 Nov. 2024

The Rosemary Mint Strengthening Shampoo, which also contains biotin for strengthening and coconut oil for moisture, is the reset that those with thinning hair could use. —Sarah Madaus, Allure, 16 Oct. 2024

If pills aren’t your thing, consider biotin gummies, or a topical solution, via a scalp serum like Nioxin’s leave-in treatment or Aavrani hair density booster. —Iman Balagam, Vogue, 9 Oct. 2024

Plus, the peptides and biotin in the formulation are good for overall lash health and strength. —Jenny Berg, Allure, 24 Dec. 2024

Word History

Etymology

International Scientific Vocabulary, from Greek biotos life, sustenance; akin to Greek bios

First Known Use

1936, in the meaning defined above

Kids Definition

biotin

noun

bi·​o·​tin ˈbī-ə-tən 

: a growth vitamin of the vitamin B complex found especially in yeast, liver, and egg yolk

Medical Definition

biotin

noun

bi·​o·​tin ˈbī-ət-ən 

: a colorless crystalline growth vitamin C₁₀H₁₆N₂O₃S of the vitamin B complex found especially in yeast, liver, and egg yolk

called also vitamin H