Figure 7

![Figure 7: Natural sources of astaxanthin are detailed, including marine and freshwater microorganisms such as microalgae, fungi, lichens, and bacteria. Redfish and crustaceans acquire their reddish hue by feeding on ASX-producing microorganisms.]()

> Source: Geir Bjørklund et al. "The Role of Astaxanthin as a Nutraceutical in Health and Age-Related Conditions.." *Molecules (Basel, Switzerland)*, 2022. PMID: [36363994](https://pubmed.ncbi.nlm.nih.gov/36363994/)

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  <img src="" alt="Natural sources of astaxanthin are detailed, including marine and freshwater microorganisms such as microalgae, fungi, lichens, and bacteria. Redfish and crustaceans acquire their reddish hue by feeding on ASX-producing microorganisms." />
  <figcaption>Figure 7. Natural sources of astaxanthin are detailed, including marine and freshwater microorganisms such as microalgae, fungi, lichens, and bacteria. Redfish and crustaceans acquire their reddish hue by feeding on ASX-producing microorganisms.<br>  Source: Geir Bjørklund et al. "The Role of Astaxanthin as a Nutraceutical in Health and Age-Related Conditions.." <em>Molecules (Basel, Switzerland)</em>, 2022. PMID: <a href="https://pubmed.ncbi.nlm.nih.gov/36363994/">36363994</a></figcaption>
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