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

Behind the Hair Thickening Shampoo is biotin, rosemary oil—which experts say improves blood circulation for healthy follicles, fights bacteria and dandruff, and may indeed help with hair growth—caffeine, and prebiotics to give your scalp the healthiest environment possible for hair to thrive. —Sarah Han, Allure, 30 Nov. 2024

Its formula’s hero ingredients are biotin and rosemary oil, which helped our tester’s hair look sleeker and smoother and even filled in their patchy spots with regular use. —Alyssa Brascia, People.com, 30 Nov. 2024

An unpublished study found that the United States is heavily dependent on China for the supplies of three essential vitamins: folic acid, or B9; niacinamide, or B3; and biotin, or B7. —Willy C. Shih veronica Chua, Harvard Business Review, 26 Nov. 2024

For instance, 100 grams of of the fruit (about 1 cup to 1 1/2 cups, depending on their size) contains biotin, fiber, vitamin K, manganese, calcium, and more than 8 milligrams of vitamin C – plus lesser amounts of protein, iron, phosphorus and potassium, per the U.S. Department of Agriculture. —Daryl Austin, USA TODAY, 21 Nov. 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