Thursday, May 28, 2020

Astaxanthin Helps Alleviate Cytokine Storm - By Joseph Mercola

Part of what makes COVID-19 such a dangerous disease in severe cases is because it can trigger a cytokine storm reaction leading to sepsis, organ failure and death.
I’ve written a number of articles discussing a variety of natural supplements known to inactivate viruses, quell inflammation and regulate the inflammatory process. Examples include vitamin Cmelatonin and licorice root. You can find them all on my Coronavirus Resource Page.

Blocking Cytokine Storm Is Crucial
Most recently, the paper1 “COVID-19: Potential of Microalgae Derived Natural Astaxanthin as Adjunctive Supplement in Alleviating Cytokine Storm,” published April 21, 2020, on the research library website SSRN, addresses the use of astaxanthin, a potent antioxidant supplement derived from microalgae. According to the authors:

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“There is rationale, pre-clinical evidences of effectiveness and evidence of safety from long-time use for other indications to justify possible inclusion of natural astaxanthin as adjunctive in combination with primary anti-viral drugs therapy will hugely benefit COVID-19 patients by improving their health and reducing recovery time …
Clinically, natural astaxanthin has shown diverse benefits with excellent safety and reported to block oxidative DNA damage, lowered C-reactive protein (CRP) and other inflammation biomarkers. Previous studies reported that natural astaxanthin exert positive effects in alleviating cytokine storm, acute lung injury, acute respiratory syndrome, etc …
Current understandings based on accumulated evidences suggest that SARS-CoV-2 induces a potential amplified inflammatory response to sequential consequences of ALI [acute lung injury], ARDS [acute respiratory distress syndrome] to a life-threatening dire consequence of potential septic shock with elevated expression of inflammatory related genes along with inevitable secondary infections, rather than increased viral load …
The attenuation of the cytokine storm by targeting key steps in the process may deliver improved outcomes … Shi et al. suggested a two-phase approach for potential treatments of COVID-19 patients: the first immune defense-based protective phase for non-severe COVID-19 cases and the second, inflammation-driven damaging phase for severe COVID-19 patients.
Zhang et al. presented a critical review … stating that blocking the cytokine storm at right time followed by initiation of anti-inflammation therapy is very critical for reducing the rate of fatalities. … A range of antioxidants as supplements will offer a window of quick recovery of patients by reducing post treatment side-effects.”

Rationale for Using Astaxanthin
The astaxanthin paper cites research showing astaxanthin “can play major roles in regulating immunity and disease etiology” thanks to its multifaceted activity. Not only is it a powerful antioxidant, but it’s also an immune booster, anti-inflammatory, neuroprotector, immunomodulator, antibacterial and anti-apoptotic. In terms of antioxidant power, it’s thought to be the most potent available. As noted in the astaxanthin paper:2

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“The antioxidant activity of astaxanthin is reported to far exceed the existing antioxidants with ROS- scavenging capacity of 6,000 times that of vitamin C, 800 times that of coenzyme Q10, 550 times that of vitamin E, 200 times that of polyphenols, 150 times that of anthocyanins, and 75 times that of α-Lipoic acid.”
Importantly, as explained in this paper, astaxanthin has a very unique molecular structure that allows it to penetrate the bilayer membrane of cells. The ability to quench reactive oxygen species (ROS) and free radicals in both the inner and outer layers of the cellular membrane allows it to provide superior protection against oxidative stress, compared to other antioxidants.
Vitamin E and beta-carotene, for example, only work in the inner side of the membrane, and vitamin C only works on the outer side.3 What’s more:
“The anti-oxidative effect of astaxanthin cooperates with its anti-inflammatory actions by up-regulating anti- oxidative enzymes (e.g. superoxide dismutase) and down-regulating pro-oxidative enzymes (e.g. nitric oxide synthetase).
Astaxanthin is also known to protect pancreatic beta cells by reducing oxidative stress and sugar toxicity, improve the levels adiponectin and HDL, and enhances blood flow and circulation,” the authors state, adding:
“Increasing evidences indicate that dysregulation of cytokines in acute inflammation is the most important step in mediating, amplifying and perpetuating the process of sepsis or ALI …
The excessive release of various pro-inflammatory cytokines mainly including TNF-α, IL-6, IL-1β, IL-12 and IL-8 rapidly initiate a systemic inflammatory response leading to simulation of adaptive immune response and cytokine storm resulting the acute cellular injury to form sepsis or ALI.

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These observations along with currently accumulating evidences related to COVID-19, strongly suggest that the inflammatory process involve in association with ARDS related ALI and sepsis.
This warrants that effective anti-oxidant and anti-inflammatory treatments must be given strategically to treat COVID-19 patients …
Anti-inflammatory / anti-oxidants candidates to intervene the excessive production of cytokines, including IL6 and TNF-α can be a promising strategy for the prevention and treatment of COVID-19 induced ARDS related ALI and sepsis.”
According to the authors, astaxanthin may be uniquely suited for this task. Astaxanthin, “with its proven anti-inflammatory and anti-oxidant activity backed by multiple preclinical and human trials and with its extraordinary safety profile can be one of the most promising candidates to be tried against COVID-19,” they say.
How Astaxanthin May Inhibit SARS-CoV-2 Damage
The authors believe astaxanthin may help minimize the impact of SARS-CoV-2 infection by:4
The following graph illustrates and summarizes the beneficial effects of astaxanthin and how it can help quench the cytokine storm response responsible for the sepsis, acute lung injury, ARDS and multiorgan disorders often seen in patients with severe COVID-19 disease. According to the authors:
“Taken together, we speculate that implications of astaxanthin as adjunctive countermeasure in the treatment of COVID-19 may exert dual purpose of both as antioxidant and anti-inflammatory compound with beneficial outcome of reduce fatality and rapid recovery …”
Astaxanthin, One of Nature’s Most Powerful Antioxidants

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In short, astaxanthin ticks many important boxes when it comes to ameliorating COVID-19, including immune response regulation and the enhancement of both cell-mediated and humoral immune responses, as well as the simultaneous protection against oxidative damage and inflammation.

Aside from being potentially useful against COVID-19 and other respiratory illnesses, astaxanthin has also been shown to provide broad-spectrum, systemwide health benefits, protecting against radiation and promoting skin, eye, brain and heart health. To learn more about this powerful antioxidant, see “Research on Astaxanthin Demonstrates Significant Whole Body Benefits.”

Sources and References
Copyright © Dr. Joseph Mercola