How to Use astaxanthin in a Sentence

astaxanthin

noun
  • Shrimp Like salmon, the pink color of shrimp comes from its high levels of astaxanthin.
    — Jillian Kubala, Health, 31 Dec. 2025
  • When the amount of astaxanthin is low, the lobster appears blue overall.
    — Heather McCarron, USA TODAY, 3 Dec. 2022
  • Some proteins in the shell bind the astaxanthin to create a blue tone; others create more red and yellow tones.
    — Heather McCarron, USA TODAY, 3 Dec. 2022
  • Lobster coloring is all thanks to a pigment called astaxanthin.
    — Robinson Russell, National Geographic, 19 June 2018
  • In addition to speeding up growth, krill contains astaxanthin, a pigment that gives salmon a pinker color.
    — Joshua Goodman, Fortune, 13 Oct. 2023
  • The color of a lobster can depend on what proteins interact with the astaxanthin.
    — Jordan Mendoza, USA TODAY, 10 Nov. 2021
  • Shrimp also get their pink color from an antioxidant called astaxanthin, which is said to have skin and heart health benefits.
    — Women's Health, 1 May 2023
  • This product is also enriched with astaxanthin, an antioxidant that has been shown to support heart health.
    — Amber Smith, Discover Magazine, 16 Dec. 2022
  • Pink seafoods like heart-healthy salmon and shrimp have high levels of a certain carotenoid with antioxidant properties known as astaxanthin.
    — Kelsey Ogletree, Better Homes & Gardens, 10 Feb. 2022
  • There’s also astaxanthin combined with glutamine and leucine—amino acids that may also play a role in exercise recovery.
    — Isabel Vasquez Rd Ldn, Verywell Health, 9 July 2024
  • More red means more astaxanthin, a compound that's associated with a healthy immune system.
    — Nathaniel Scharping, Discover Magazine, 1 Aug. 2018
  • For example, a pink or reddish color in salmon comes from the antioxidant astaxanthin, which is a carotenoid that wild fish get from eating shellfish like krill or shrimp.
    — Simon Spichak, Health, 1 Oct. 2025
  • Unlike fish oil, krill oil gets its red color from the antioxidant called astaxanthin, which can support eye health and reduce inflammation.
    — Stephanie Brown, Verywell Health, 3 Dec. 2025
  • Unlike fish oil, krill oil gets its red color from the antioxidant astaxanthin, which can support eye health and reduce inflammation.
    — Stephanie Brown, Verywell Health, 27 Feb. 2025
  • Its vibrant orange hue comes courtesy of the powerful antioxidant astaxanthin, which is known for its ability to improve the look and feel of your skin.
    — Dana Oliver, Essence, 29 July 2025
  • This is why astaxanthin is only effective in Fresh Spirulina.
    — Brian Heteich, Sun Sentinel, 1 Aug. 2024
  • Key Takeaways Krill oil contains omega-3s and the antioxidant astaxanthin, which may support heart and eye health.
    — Stephanie Brown, Verywell Health, 3 Dec. 2025
  • Red algae is chock-full of a carotenoid called astaxanthin, while its brown cousin is rich in skin-brightening phlorotannins and a moisturizing polysaccharide called alginate.
    — Brian Underwood, Women's Health, 15 Feb. 2023
  • These supplements are derived from krill, a tiny shrimp-like creature that lives in the ocean and are packed with beneficial nutrients such as omega-3 fatty acids and astaxanthin.
    — Amber Smith, Discover Magazine, 26 July 2023
  • Unlike fish oil, krill oil gets its red color from the antioxidant astaxanthin, which supports eye health and has anti-inflammatory properties.
    — Stephanie Brown, Verywell Health, 5 Mar. 2024
  • This conditioner can help restore strands to near virgin health with the help of arginine (a keratin building block that promotes growth) and astaxanthin (an antioxidant that defends against stress and damage).
    — Mary Honkus, Glamour, 29 Oct. 2025
  • Studies have shown that long-term supplementation with astaxanthin may help slow skin aging via its anti-inflammatory and antioxidant effects.
    — Allure, 17 Aug. 2018
  • Their color comes from a pigment molecule called astaxanthin, which binds to other proteins, according to Nicoletta Lanese for Live Science.
    — Corryn Wetzel, Smithsonian Magazine, 15 Nov. 2021
  • While additional clinical trials are needed to understand the efficacy of astaxanthin on depressive symptoms in humans, initial studies in mice have been promising.
    — Amiah Taylor, Discover Magazine, 25 Dec. 2024
  • Unfortunately, astaxanthin is heat sensitive and the ORAC value is destroyed when spirulina is made into a powder.
    — Brian Heteich, Sun Sentinel, 1 Aug. 2024
  • The ingredient list also includes the antioxidant astaxanthin, which the brand claims (based on various studies) has stronger brightening effects than topical vitamin C.
    — Andrea Navarro, Glamour, 23 May 2022
  • In addition to vitamin D, salmon is high in protein, B vitamins, potassium, selenium, and the carotenoid antioxidant astaxanthin.
    — Jillian Kubala, Health, 6 Apr. 2026
  • Other powerhouse ingredients like purslane, astaxanthin, coenzyme Q10, glutathione and bamboo extract are known for their potent skincare benefits.
    — Kate Donnelly, Forbes, 29 Feb. 2024
  • There’s also astaxanthin, an antioxidant red microalgae that is among the most interesting beta-carotene-rich foods (excellent from Hawaii and the Azores), beneficial for eye health and skin protection from UV rays.
    — Alessandra Signorelli, Vogue, 18 Sep. 2023
  • Key ingredients include 20% zinc oxide for broad spectrum SPF (one of the highest on our list), as well as astaxanthin for antioxidant benefits, and tetrahexyldecyl ascorbate to improve signs of aging and uneven skin tone.
    — Danielle Sinay, Glamour, 13 Aug. 2024

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'astaxanthin.' 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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