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- While most well-known as a natural sleep regulator, melatonin also has many other important functions. It boosts immune function, helps recharge glutathione and may improve treatment of certain bacterial diseases; it has anticonvulsant and antiexcitotoxic properties, and is a potent antioxidant with the rare ability to enter your mitochondria
- In viral infections, melatonin lowers the overreaction of the host cells to the pathogen, thereby raising the host’s tolerance to the virus. This gives the host time to develop the adaptive immune response and eradicate the invading pathogen
- Melatonin attenuates several pathological features of COVID-19, including excessive oxidative stress and inflammation, exaggerated immune response resulting in a cytokine storm, acute lung injury and acute respiratory distress syndrome
- An October 2021 study found melatonin significantly lowered mortality when given to severely infected COVID patients. In the standard care only group, 13 of the 76 patients died (17.1%), compared to just one of the 82 patients (1.2%) who received melatonin in addition to standard care — a reduction in mortality of 93%
- During the second week of infection, a time when severely infected patients can take a drastic turn for the worse, the melatonin group fared much better than the standard care only group, with only two patients developing sepsis, compared to eight in the standard care only group
Melatonin is a hormone synthesized in your pineal gland and several other organs,1 indeed in most cells, including human lung monocytes and macrophages, as it is actually synthesized in your mitochondria.2
While most well-known as a natural sleep regulator, melatonin also has many other important functions.3 Notably, it plays an important role in cancer prevention4 and may prevent or improve certain autoimmune diseases, such as Type 1 diabetes.5
It also has anticonvulsant and antiexcitotoxic properties,6 and is a potent antioxidant7 with the rare ability to enter your mitochondria,8 where it helps prevent mitochondrial impairment, energy failure and the death of mitochondria damaged by oxidation.9 It also:
- Boosts immune function
- Helps recharge glutathione10 (and glutathione deficiency has been linked to COVID-19 severity)
- May improve the treatment of certain bacterial diseases, including tuberculosis11
- Helps regulate gene expression via a series of enzymes12
As noted in the Journal of Critical Care:13
“Melatonin is a versatile molecule … Melatonin plays an important physiologic role in sleep and circadian rhythm regulation, immunoregulation, antioxidant and mitochondrial-protective functions, reproductive control, and regulation of mood. Melatonin has also been reported as effective in combating various bacterial and viral infections.”
Melatonin Also Has Important Role in COVID-19 Treatment
Over the past two years, melatonin has emerged as a surprise weapon against COVID-19. It’s been shown to play a role in viral, bacterial and fungal infections14 and as early as June 2020, researchers suggested it might be an important adjunct to COVID-19 treatment.15,16,17 According to the authors of that paper, melatonin attenuates several pathological features of COVID-19, including:18
- Excessive oxidative stress and inflammation
- Exaggerated immune response resulting in a cytokine storm
- Acute lung injury
- Acute respiratory distress syndrome
In October 2020, a scientific review,19 “Melatonin Potentials Against Viral Infections Including COVID-19: Current Evidence and New Findings,” summarized the mechanisms by which melatonin can protect against and ameliorate viral infections such as respiratory syncytial virus, viral hepatitis, viral myocarditis, Ebola, West Nile virus and dengue virus.
Based on these collective findings, they hypothesized melatonin may offer similar protection against SARS-CoV-2. One mechanistic basis for this relates to melatonin’s effects on p21-activated kinases (PAKs), a family of serine and threonine kinases. The authors explain:20
“In the last decade, PAKs have acquired great attention in medicine due to their contribution to a diversity of cellular functions. Among them, PAK1 is considered as a pathogenic enzyme and its unusual activation could be responsible for a broad range of pathologic conditions such as aging, inflammation, malaria, cancers immunopathology, viral infections, etc …
Interestingly, melatonin exerts a spectrum of important anti-PAK1 properties … It has been proposed that coronaviruses could trigger CK2/RAS-PAK1-RAF-AP1 signaling pathway via binding to ACE2 receptor.
Although it is not scientifically confirmed as yet, PAK1-inhibitors could theoretically exert as potential agents for the management of a recent outbreak of COVID-19 infection. Indeed, Russel Reiter, a leading pioneer in melatonin research, has recently emphasized that melatonin may be incorporated into the treatment of COVID-19 as an alternative or adjuvant.”
Melatonin Lowers COVID-19 Mortality
Then, on the last day of 2021, Melatonin Research published a research commentary21 discussing an October 2021 study22 by Hasan et. al., which found melatonin significantly lowered mortality when given to severely infected COVID patients. According to the authors:
“In a single-center, open-label, randomized clinical trial, it was observed that melatonin treatment lowered the mortality rate by 93% in severely-infected COVID-19 patients compared with the control group.
This is seemingly the first report to show such a huge mortality reduction in severe COVID-19 infected individuals with a simple treatment. If this observation is confirmed by more rigorous clinical trials, melatonin could become an important weapon to combat this pandemic.”
The commentators point out that, at less than $5 per course of treatment, melatonin is a cost-effective addition to any treatment plan. For comparison, Regeneron monoclonal antibodies cost about $2,100 per dose and remdesivir is $3,100 per treatment. Melatonin also has no serious side effects, so it can be universally used.
The Hasan trial23 included 158 hospitalized COVID patients between the ages of 18 and 80. All had confirmed severe SARS-CoV-2 infection.
Eighty-two of the patients were enrolled in the melatonin arm and received 10 milligrams (mg) of melatonin half an hour before bedtime for 14 days, in addition to standard therapeutic care, which included oxygen intubation, remdesivir, levofloxacin (an antibiotic for protection against secondary bacterial infections), dexamethasone (an anti-inflammatory) and enoxaparin (an anticoagulant).
In the standard care only group, 13 of the 76 patients died (17.1%), compared to just one of the 82 patients (1.2%) who received melatonin in addition to everything else. That’s a reduction in mortality of 93%, which is quite remarkable. Three mechanisms of action responsible for this success appears to be a combination of its antioxidant, anti-inflammatory and immunoregulatory activities.24
During the second week of infection, a time when severely infected patients can take a drastic turn for the worse, the melatonin group fared much better than the standard care only group, with only two patients developing sepsis, compared to eight in the standard care only group.25
The Hasan trial also supports findings from a clinical case series26 published in 2020, where patients diagnosed with COVID-19 pneumonia received 36 mg to 72 mg of melatonin intravenously per day, in four divided doses, as an adjunct therapy to standard of care.
All of the patients given melatonin improved within four to five days, and all survived. On average, those given melatonin were discharged from the hospital after 7.3 days, compared to 13 days for those who did not get melatonin.
How Melatonin Prevents Sepsis
This isn’t the first time melatonin has been highlighted for its ability to prevent and treat sepsis. A 2010 paper27 in The Journal of Critical Care noted that melatonin helps prevent and reverse septic shock symptoms by:28
- Decreasing synthesis of proinflammatory cytokines
- Preventing lipopolysaccharide (LPS)-induced oxidative damage, endotoxemia and metabolic alterations
- Suppressing gene expression of the bad form of nitric oxide, inducible nitric oxide synthase (iNOS)
- Preventing apoptosis (cell death)
Similarly, a 2014 study29 in the Journal of Pineal Research pointed out that melatonin accumulates in mitochondria, and has both antioxidant and anti-inflammatory activity that could be useful in the treatment of sepsis.
This was a Phase 1 dose escalation study in healthy volunteers to evaluate the tolerability and health effects of melatonin at various dosages. They also assessed the effect of melatonin in an ex vivo whole blood model mimicking sepsis.
No adverse effects were reported for dosages ranging from 20 mg to 100 mg, and the blood model testing revealed melatonin and its metabolite 6-hydroxymelatonin “had beneficial effects on sepsis-induced mitochondrial dysfunction, oxidative stress and cytokine responses …” The authors further explained:30
“Mitochondrial dysfunction initiated by oxidative stress drives inflammation and is generally accepted as playing a major role in sepsis-induced organ failure. It has been recognized that exogenous antioxidants may be useful in sepsis, and more recently, the potential for antioxidants acting specifically in mitochondria has been highlighted.
We showed previously that antioxidants targeted to mitochondria, including melatonin, reduced organ damage in a rat model of sepsis … In vitro models of sepsis show that melatonin and its major hydroxylated metabolite, 6-hydroxymelatonin, are both effective at reducing the levels of key inflammatory cytokines, oxidative stress, and mitochondrial dysfunction.
In rat models of sepsis, melatonin reduces oxidative damage and organ dysfunction and also decreases mortality.
The dose needed for antioxidant action is thought to be considerably higher than that given for modulation of the sleep–wake cycle, but the actual dose required in man is unclear, particularly because the major bioactive effects of oral melatonin in the context of inflammation are likely to be mediated primarily by metabolite levels.”
Melatonin Has Many Mechanisms of Action
When it comes to viral infections, melatonin doesn’t actually target the virus itself. It primarily aids the host, lowering the overreaction of the host cells to the pathogen, thereby raising the host’s tolerance to the virus. As explained in the featured Melatonin Research commentary,31 “This tolerance allows the host sufficient time to develop the adaptive immune response and finally eradicate the invading pathogens.”
By regulating your immune responses, melatonin also helps prevent cytokine storms,32 which is what ultimately kills some patients with serious SARS-CoV-2 infection. Melatonin is also a known cytoprotector with neuroprotective properties that can potentially reduce the neurological sequelae documented in patients infected with COVID-19.33
Part of melatonin’s benefit against COVID may also have to do with the fact that it enhances vitamin D signaling34 and, together, melatonin and vitamin D synergistically enhance your mitochondrial function. In fact, your mitochondria are the final common targets for both.35
I’ve written many articles detailing the importance of vitamin D optimization to prevent SARS-CoV-2 infection and more serious COVID-19 illness. The evidence for this is frankly overwhelming, and raising vitamin D levels among the general population may be one of the most important prevention strategies available to us. To learn more, download my vitamin D report, available for free on stopcovidcold.com. Melatonin may also combat SARS-CoV-2 infection by:36
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- Having an antibacterial effect on white blood cells called neutrophils37 (a high neutrophil count is an indicator for infection)
- Suppressing oxidative stress38
- Improving metabolic defects associated with diabetes and insulin resistance (risk factors for severe COVID-19) via inhibition of the renin-angiotensin system (RAS)
- Protecting mesenchymal stem cells (MSCs, which have been shown to ameliorate severe SARS-CoV-2 infection) against injuries and improving their biological activities
- Promoting both cell-mediated and humoral immunity
- Promoting synthesis of progenitor cells for macrophages and granulocytes, natural killer (NK) cells and T-helper cells, specifically CD4+ cells
- Inhibiting NLRP3 inflammasomes39 — Inflammasomes are part of your natural immune response. When a pathogen is detected, inflammasomes are activated and start releasing proinflammatory cytokines. The inflammasome NLRP3, specifically, has been identified as a key culprit in acute respiratory distress syndrome (ARDS) and acute lung injury, both of which are potential outcomes of COVID-19 infection40
Melatonin Reduces Risk of Positive COVID-19 Test
Data41,42 from Cleveland Clinic also supports the use of melatonin. Here, the researchers analyzed patient data from the Cleveland Clinic’s COVID-19 registry using an artificial intelligence platform designed to identify drugs that may be repurposed.43,44
By identifying clinical manifestations and pathologies shared by COVID-19 and 64 other diseases, they were able to conclude that certain proteins associated with chronic diseases are highly connected with SARS-CoV-2 proteins. Put another way, a number of proteins appear to play a key role in the pathologies seen both in COVID-19 and other chronic diseases.
These connections suggest that drugs already in use for a chronic disease may be repurposed and used in the treatment of COVID-19, as it acts on one or more shared biological targets. Melatonin stood out in this regard. Patients who used melatonin as a supplement had, on average, a 28% lower risk of testing positive for SARS-CoV-2. Blacks who used melatonin were 52% less likely to test positive for the virus.
Unfortunately, two key data points missing from the analysis are the dosage used and the length of supplementation. These data were not included in the patient registry, so we don’t know how much melatonin is required, or how long you need to take it, to lower your risk of SARS-CoV-2 infection to the degree found in this study.
Melatonin Is an Integral Part of Front Line Protocol
Early in 2020, the Front Line COVID-19 Critical Care Alliance (FLCCC)45 developed preventive, outpatient treatment and inpatient protocols46 based on the insights of the founding critical care doctors. Dr. Paul Marik,47 a critical care doctor known for his life-saving vitamin C sepsis protocol,48 is one of those doctors.
Marik published a paper in the Journal of Thoracic Disease in February 202049 giving the scientific rationale for using melatonin to help regulate the oxidative imbalance and mitochondrial dysfunction that are commonly found in sepsis.
This was followed by a paper published in the Frontiers in Medicine in May 2020,50 in which he and a team of scientists presented a therapeutic algorithm for melatonin in the treatment of COVID-19 specifically. “Melatonin’s multiple actions as an anti-inflammatory, antioxidant and antiviral (against other viruses) make it a reasonable choice for use,” they wrote.
Based on its known mechanisms of action, the FLCCC has included melatonin in its early treatment and hospital treatment protocols from the start. You can download the latest protocols on the FLCCC’s website.51
As a supportive therapy, the FLCCC recommends taking 6 mg before bed if you’re treating early or mild symptomatic COVID-19. The hospital treatment protocol calls for anywhere from 6 mg to 12 mg of melatonin at night, until discharge.
For patients treating long-haul COVID-19 syndrome (LHCS), they recommend taking between 2 mg and 12 mg nightly. Begin with a low dose and work your way up as tolerated. If your sleep is disturbed, lower your dose. (Low doses of melatonin will help make you sleepy, while higher doses can trigger sleeplessness.)
General Guidance for Supplementation
While the doses suggested when used against COVID are significantly higher than what you’d normally take to improve your sleep, there does not appear to be any danger to these doses. Research has found no adverse effects for dosages ranging from 20 mg up to 100 mg.52
These dose ranges are up to 100 times more than what a typical conservative dose of 0.5 mg, but it is encouraging that no adverse effects were observed at these high doses. It would still be prudent however to only use doses this high for limited times when you might need them.
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Whatever dose you take — and I recommend starting low, at 1 mg or less — be sure to take melatonin at night, before bed. Rising melatonin levels is the reason you feel sleepy in the evening, so it’s ill advised to take it in the morning or during the day, when your natural level is (and should be) low.
Melatonin is also best taken sublingually, either in the form of a spray or sublingual tablet. Sublingually, it can enter your blood stream directly and doesn’t have to go through the digestive tract. As a result, its effect will be felt more rapidly.
- 1, 13, 14, 27 Journal of Critical Care 2010 Dec;25(4):656.e1-6
- 2, 32 Medical Drug Discoveries June 2020; 6:100044
- 3 Pharmacological Research April 2012; 65(4): 437-444
- 4 International Journal of Molecular Sciences, 2013 Jan 24;14(2):2410-30
- 5 International Journal of Molecular Sciences, 2013 Apr; 14(4):8638-8683
- 6, 9, 12 Front Biosci. 2007 Jan 1;12:947-63
- 7 Journal of Pineal Research December 17, 2002; 34(1)
- 8 The Journal of Steroid Biochemistry and Molecular Biology May 2020; 199: 105595, Page 13
- 10 Neuro Endocrinol Lett. 2006 Jun;27(3):365-8
- 11 Antimicrobial Agents and Chemotherapy, 1999 Apr;43(4):975-7
- 15, 18 Life Sciences June 1, 2020; 250:117583
- 16 Psychology Today May 8, 2020
- 17 Chronobiology Melatonin May Help Fight Coronavirus
- 19, 36 Virus Research October 2, 2020; 287: 198108
- 20 Virus Research October 2, 2020; 287: 198108, 4.1. Melatonin and COVID-19: underlying mechanisms and possible therapeutic approaches
- 21, 24, 31 Melatonin Research December 31, 2021 DOI: 10.32794/mr112500115
- 22, 23, 25 International Journal of Infectious Diseases October 12, 2021; 114:79-84
- 26 Melatonin Research 2020; 3(3)
- 28 Journal of Critical Care 2010 Dec;25(4):656.e1-6, P. 656.e2
- 29, 52 Journal of Pineal Research 2014 May;56(4):427-38, Abstract
- 30 Journal of Pineal Research 2014 May;56(4):427-38, Introduction
- 33 Diseases, 2020;8(4)
- 34, 35 The Journal of Steroid Biochemistry and Molecular Biology May 2020; 199: 105595
- 37 Frontiers in Immunology 2019 Jun 19;10:1371
- 38 Current Neuropharmacology 2010 Sep; 8(3): 228–242
- 39, 40 Evolutamente.it March 14, 2020
- 41, 43 PLOS Biology November 6, 2020 DOI: 10.1371/journal.pbio.3000970
- 42, 44 Cleveland Clinic November 9, 2020
- 45 FLCCC
- 46 FLCCC, Protocols
- 47 FLCCC, Founding Physicians
- 48 Chest, 2017;151(6)
- 49 Journal of Thoracic Disease, 2020;12(1)
- 50 Frontiers in Medicine, 2020; doi.org/10.3389/fmed.2020.00226
- 51 FLCCC Treatment Protocols
Will America-First News Outlets Make it to 2023?
Things are looking grim for conservative and populist news sites.
There’s something happening behind the scenes at several popular conservative news outlets. 2021 was bad, but 2022 is proving to be disastrous for news sites that aren’t “playing ball” with the corporate media narrative. It’s being said that advertisers are cracking down, forcing some of the biggest ad networks like Google and Yahoo to pull their inventory from conservative outlets. This has had two major effects. First, it has cooled most conservative outlets from discussing “taboo” topics like Pandemic Panic Theater, voter fraud, or The Great Reset. Second, it has isolated those ad networks that aren’t playing ball.
Certain topics are anathema for most ad networks. Speaking out against vaccines or vaccine mandates is a certain path to being demonetized. Highlighting voter fraud in the 2020 and future elections is another instant advertising death penalty. Throw in truthful stories about climate change hysteria, Critical Race Theory, and the border crisis and it’s easy to understand how difficult it is for America-First news outlets to spread the facts, share conservative opinions, and still pay the bills.
Without naming names, I have been told of several news outlets who have been forced to either consolidate with larger organizations or who have backed down on covering certain topics out of fear of being “canceled” by the ad networks. I get it. This is a business for many of us and it’s not very profitable. Those of us who do this for a living are often barely squeaking by, so loss of additional revenue can often mean being forced to make cuts. That means not being able to cover the topics properly. Its a Catch-22: Tell the truth and lose the money necessary to keep telling the truth, or avoid the truth and make enough money to survive. Those who have chosen survival simply aren’t able to spread the truth properly.
We will never avoid the truth. The Lord will provide if it is His will. Our job is simply to share the facts, spread the Gospel, and educate as many Americans as possible while exposing the forces of evil.
To those who have the means, we ask that you please donate. We have options available now, but there is no telling when those options will cancel us. We have our GivingFuel page. There have been many who have been canceled by PayPal, but for now it’s still an option. Your generosity is what keeps these sites running and allows us to get the truth to the masses. We’ve had great success in growing but we know we can do more with your assistance.
Thank you, and God Bless!