Figure 2

![Figure 2: Biological sources of astaxanthin are catalogued, ranging from the microalga Haematococcus pluvialis to various marine organisms. Natural biosynthesis pathways in these organisms produce ASX as a secondary metabolite with a characteristic reddish-orange pigment.]()

> 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="Biological sources of astaxanthin are catalogued, ranging from the microalga Haematococcus pluvialis to various marine organisms. Natural biosynthesis pathways in these organisms produce ASX as a secondary metabolite with a characteristic reddish-orange pigment." />
  <figcaption>Figure 2. Biological sources of astaxanthin are catalogued, ranging from the microalga Haematococcus pluvialis to various marine organisms. Natural biosynthesis pathways in these organisms produce ASX as a secondary metabolite with a characteristic reddish-orange pigment.<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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