How to Use betaine in a Sentence

betaine

noun
  • Supports Heart Health Beet juice contains an amino acid called betaine, which may support heart health.
    — Lindsey Desoto, Health, 9 Sep. 2025
  • Each pad is soaked in a silky, essence-y formula that plumps on contact with humectants like glycerin, hydroxyethyl urea, and betaine.
    — Christa Joanna Lee, Allure, 23 Jan. 2026
  • The rest of the formula is all about keeping skin comfortable with ceramides and betaine to lock in hydration.
    — Christa Joanna Lee, Allure, 22 Apr. 2026
  • It’s paired with sodium hyaluronate and betaine to draw in moisture, plus panthenol and allantoin to calm and support the barrier.
    — Christa Joanna Lee, Allure, 26 Mar. 2026
  • Its highly hydrating formula is packed with glycerin and betaine, a humectant that pulls moisture into the skin.
    — Sarah Felbin, Allure, 20 May 2026
  • New research suggests a molecule called betaine, naturally produced by the kidneys, may do just that.
    — William A. Haseltine, Forbes.com, 14 Aug. 2025
  • There’s gentle exfoliation courtesy of betaine salicylate, a mild beta-hydroxy acid that buffs away little flakes and rough patches dry skin tends to collect.
    — Christa Joanna Lee, Allure, 23 Jan. 2026
  • The electrolytes, combined with organic compounds like betaine and inositol, help your skin retain moisture, strengthen the skin’s natural barrier, and balance your complexion, too.
    — Alicia Geigel, Southern Living, 5 Jan. 2026
  • The electrolytes, combined with organic compounds like betaine and inositol, help your skin retain moisture, strengthen the skin’s natural barrier, and balance your complexion, too.
    — Alicia Geigel, Southern Living, 23 Jan. 2026
  • Cocamidopropyl betaine is a mild soap-free surfactant derived from coconut oil, while sodium C14-16 olefin sulfonate is a stronger synthetic chemical.
    — Allure Editors, Allure, 24 Mar. 2026
  • Both formulas rely on a blend of surfactants—sodium C14-16 olefin sulfonate and cocamidopropyl betaine—as the main cleansing agents, creating lather without overly stripping the hair.
    — Allure Editors, Allure, 24 Mar. 2026
  • Sustained exercise, on the other hand, reprograms the body towards youthfulness, reshapes the gut microbiome, enhances antioxidant activity, promotes DNA stability in immune cells and elevates betaine levels.
    — William A. Haseltine, Forbes.com, 14 Aug. 2025

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

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