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Fucoxanthin (Marine Carotenoid) in Brown Seaweeds: Health Implications

We have gone over the many health benefits of brown seaweed and are realizing how powerful the bioactive molecules are for human health. 

We start with a 2011 article by Peng et al. with a growing list of health benefits: anti-obesity, anti-diabetes, antiangionenic and antimalarial (see abstract). 

And that is just the beginning. The protective aspect of of fucoxanthin in brown seaweed is immense: liver, blood vessels in the brain, bones, skin, and eyes. 

To make sure we are on the right track, Din et al (2022) continues to expand the uses of brown algae and fucoxanthin with his lengthy review.

And again, the same benefits and more - anti-inflammation which many scientists believe is the root cause of chronic illnesses, and even anticancer properties are discussed in this review. 

Below are the two abstracts with links to the article. 

Peng et al. 2011

The marine carotenoid fucoxanthin can be found in marine brown seaweeds, the macroalgae, and diatoms, the microalgae, and has remarkable biological properties. Numerous studies have shown that fucoxanthin has considerable potential and promising applications in human health. In this article, we review the current available scientific literature regarding the metabolism, safety, and bioactivities of fucoxanthin, including its antioxidant, anti-inflammatory, anticancer, anti-obese, antidiabetic, antiangiogenic and antimalarial activities, and its protective effects on the liver, blood vessels of the brain, bones, skin, and eyes. Although some studies have shown the bioavailability of fucoxanthin in brown seaweeds to be low in humans, many studies have suggested that a dietary combination of fucoxanthin and edible oil or lipid could increase the absorption rate of fucoxanthin, and thus it might be a promising marine drug.  Article

Din et al., 2022

Fucoxanthin is an algae-specific xanthophyll of aquatic carotenoid. It is prevalent in brown seaweed because it functions as a light-harvesting complex for algal photosynthesis and photoprotection. Its exceptional chemical structure exhibits numerous biological activities that benefit human health. Due to these valuable properties, fucoxanthin’s potential as a potent source for functional food, feed, and medicine is being explored extensively today. This article has thoroughly reviewed the availability and biosynthesis of fucoxanthin in the brown seaweed, as well as the mechanism behind it. We included the literature findings concerning the beneficial bioactivities of fucoxanthin such as antioxidant, anti-inflammatory, anti-obesity, antidiabetic, anticancer, and other potential activities. Last, an additional view on its potential as a functional food ingredient has been discussed to facilitate a broader application of fucoxanthin as a promising bioactive compound. Article

 Sincerely yours,


P.S. Weight-Less:  Brown Seaweed extracts and 7 Keto.  Suggested use: 1-2 capsules, 20 minutes before meals.


  • Din, N. A. S., Mohd Alayudin, A. S., Sofian-Seng, N. S., Rahman, H. A., Mohd Razali, N. S., Lim, S. J., & Wan Mustapha, W. A. (2022). Brown Algae as Functional Food Source of Fucoxanthin: A Review. Foods, 11(15), 2235. Article

  • Peng, J., Yuan, J. P., Wu, C. F., & Wang, J. H. (2011). Fucoxanthin, a marine carotenoid present in brown seaweeds and diatoms: metabolism and bioactivities relevant to human health. Marine drugs, 9(10), 1806-1828. Article 

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