bio·​iden·​ti·​cal ˌbī-ō-ī-ˈden-ti-kəl How to pronounce bioidentical (audio)
: having the same molecular structure as a substance produced in the body
bioidentical estrogens

Examples of bioidentical in a Sentence

Recent Examples on the Web On the menu: bioidentical hormone replacement or testosterone therapy, IV nutrition drips, personalized weight loss and nutrition plans, Botox and fillers, and in-depth evaluations that include over 40 biomarkers and body composition testing. Ingrid Schmidt, The Hollywood Reporter, 8 Apr. 2024 In her later years, Somers built a brand promoting various alternative health products, including the controversial bioidentical hormone therapy. Anumita Kaur, Washington Post, 15 Oct. 2023 Treatments that address hormone balance can be important add-ons, says Dr. Grover, with medications like metformin (which lowers testosterone levels and addresses insulin resistance), oral contraceptives, or bioidentical hormones (something offered at VSpot). Fiorella Valdesolo, Vogue, 21 Sep. 2023 While the importance of maintaining a healthy weight, getting the vitamins your body needs and avoiding trigger foods should not be underestimated, the fastest and most effective way to control the disruptive symptoms of menopause is bioidentical hormone replacement therapy. Dr. Tom MacEk,, 8 Oct. 2020 Jacobsen cautions against the use of bioidentical hormones, though, as they are not closely regulated. Fiorella Valdesolo, Vogue, 14 June 2023 In contrast to the majority of market-available multivitamins composed of inexpensive and artificial compounds, all ingredients in Bio-Avail Multi are derived from food sources, occur naturally, or are bioidentical. Amber Smith, Discover Magazine, 10 June 2023 Key ingredients include Bulgarian roses and bioidentical CoQ10 and Vitamin C ester. Alesandra Dubin, Travel + Leisure, 1 Feb. 2023 The Eye Contact's combination of strengthening peptides and bioidentical collagen deeply hydrate and restore skin. Sara Klausing, Men's Health, 13 Nov. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'bioidentical.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1997, in the meaning defined above

Time Traveler
The first known use of bioidentical was in 1997

Dictionary Entries Near bioidentical

Cite this Entry

“Bioidentical.” Dictionary, Merriam-Webster, Accessed 19 Jul. 2024.

Medical Definition


: having the same molecular structure as a substance produced in the body
bioidentical hormones
bioidentical noun
Proponents of bioidenticals suggest that they are safer than other hormones because they mimic a woman's hormones. Roni Caryn Rabin, The New York Times
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