: a polysaccharide (such as glycogen or cellulose) that is a polymer of glucose
Examples of glucan in a Sentence
Recent Examples on the Web
As glutathione, niacinamide, and vitamin C help brighten, ingredients like cica and beta glucan work to calm and hydrate, making this serum a well-rounded formula for any skin-care routine.
—
Emily Orofino, Vogue, 19 Nov. 2025
To soothe, hydrate, and support the skin barrier, this nourishing formula has colloidal oatmeal and beta glucan.
—Lisa Desantis, Glamour, 6 Aug. 2025
The food can also help prevent type 2 diabetes and lower blood sugar and cholesterol levels due to the presence of beta glucan, a type of soluble dietary fiber.
—Angelica Stabile, Fox News, 13 Jan. 2025
The formula also contains beta glucan, an antioxidant-rich humectant to encourage skin to retain moisture.
—Bea McMonagle, Forbes, 30 Dec. 2024
There's no actual milk in here — just ceramides (fatty acids that help the skin retain moisture), magnesium (to reduce skin inflammation), and beta glucan (a hydrator akin to hyaluronic acid).
—Megan Decker, refinery29.com, 25 Jan. 2024
Through an extensive extraction process, the supplements are formulated to optimize the bio-availability of immune-supporting beta glucans.
—Amber Smith, Discover Magazine, 4 Aug. 2023
This is thanks to the beta glucans in oatmeal—a form of soluble fiber.
—Casey Seidan, Ms, Rdn, Cdn, Health, 27 June 2023
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Emily Orofino, Vogue, 19 Nov. 2025
To soothe, hydrate, and support the skin barrier, this nourishing formula has colloidal oatmeal and beta glucan.
—Lisa Desantis, Glamour, 6 Aug. 2025
The food can also help prevent type 2 diabetes and lower blood sugar and cholesterol levels due to the presence of beta glucan, a type of soluble dietary fiber.
—Angelica Stabile, Fox News, 13 Jan. 2025
The formula also contains beta glucan, an antioxidant-rich humectant to encourage skin to retain moisture.
—Bea McMonagle, Forbes, 30 Dec. 2024
There's no actual milk in here — just ceramides (fatty acids that help the skin retain moisture), magnesium (to reduce skin inflammation), and beta glucan (a hydrator akin to hyaluronic acid).
—Megan Decker, refinery29.com, 25 Jan. 2024
Through an extensive extraction process, the supplements are formulated to optimize the bio-availability of immune-supporting beta glucans.
—Amber Smith, Discover Magazine, 4 Aug. 2023
This is thanks to the beta glucans in oatmeal—a form of soluble fiber.
—Casey Seidan, Ms, Rdn, Cdn, Health, 27 June 2023
Cite this Entry
“Glucan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/glucan. Accessed 7 Dec. 2025.
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