Formerly The COVID Advisor — evidence-based analysis of Long COVID, immune injury, and post-viral disease
12 Best N95 and KN95 Face Masks for Protection Against Omicron and Its Subvariants 2022
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By
Editorial Team
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In these strange times, it's never been more important to keep learning and
adapting. With new information about COVID-19 and its subvariants constantly rolling in, and face masks proving to
be even more of a staple travel essential, we've been taking stock of the
best ways to prioritize our safety and choose the right face masks for any
situation.
Though masking up of any kind is important, public health authorities now
recommend steering away from cloth masks and switching to masks with
filtration systems — like N95s — as your personal protective equipment.
According to the CDC, N95 and KN95 masks offer more protection against COVID than a standard cloth mask. And with BA.4 and BA.5 subvariants expected to become more dominant in the U.S. in the coming months,
now's the prime time to stock up on some durable, protective masks —
especially if you'll need to navigate any upcoming summer travel.
And if you're feeling overwhelmed by all the choices and are in need of some
masks that are equal parts practical and protective, ET has compiled a
list of our favorite N95 and KN95 mask options to buy online for protection
against omicron and all of its subvariants. Shop our picks below.
We love the breathability and maximum protection of this structured face
mask. Made with extra room for your nose and mouth and high-grade seals,
this mask ensures that you can have your best fit to prevent eyeglass
fogging or any breathing discomfort, all while staying thoroughly
protected.
For a comfortable and breathable face covering option with optimal
filtration, try out this N95. It meets CDC guidelines for particle
filtration efficiency, meaning it's healthcare worker approved.
We know that safety is of the utmost importance, and with this
masks's ultra sonic seals for optimal respiratory protection from
airborne particles.
$19$16
10 MASKS
6. Harley Commodity N95 Masks
Bona Fide
N95 face masks are hot items and these Harley Commodity N95 Masks are some
of the best out there. (If you're concerned about buying a counterfeit mask,
these are NIOSH approved n95 masks and Bona Fide is an authorized distributor.)
Though this N95 mask was intended for professional use to keep out sawdust,
sand and smoke, it's 95% filtration efficiency makes this disposable mask a
great choice for protecting your face against Omicron.
$30$15
20 MASKS
KN95 Masks
8. Wawane KN95 Face Mask Respirator
Amazon
The soft ear elastics of this KN95 protective mask make it perfect for
daily use.
Tired of your mask constantly falling down and exposing your nose? This
5-ply KN95 mask has all the filtration benefits, but it also has a fixed
metal nose clip to ensure that it stays on for a safe and wearable
fit.
MASKC masks are beloved by celebrities and for good reason: they're
stylish and much better at COVID-19 prevention than a fabric mask. With
breathable construction, these 3-dimensional respirator masks block
droplets and airborne particles with 95% bacterial filtration
efficiency.
Manufactured in an FDA Registered facility, these masks are
breathable, recyclable, and are available in both adult and kid
sizes. More colors include Coral, Denim, Blush, Seafoam, and
Lavender.
Base Spike Detox According to Dr Peter McCullough (in a X/Twitter post): Base Spike Detox is what I am currently using in my practice for those who have had COVID-19 multiple times, one or more of the COVID-19 vaccines, or both and believe persistent SARS-CoV-2 Spike protein could be causing problems in their body. I have arrived, based on the emerging scientific literature (1) and my clinical observation, that three OTC products are essential as a triple base combination: Nattokinase 2000 FU (100 mg) twice a day — take on an empty stomach Bromelain 500 mg once a day — take on an empty stomach Nano/Liposomal Curcumin 500 mg twice a day — take with food How long should I take this? Dr. McCullough recommends a minimum of 3 months , with many patients requiring 6–12 months or longer. Progress can be tracked via a spike protein antibody test (available through Labcorp in m...
An evidence-tiered review of the nattokinase, bromelain and curcumin regimen proposed by Dr. Peter McCullough: what it is, what the research does and does not show, how to use it safely, and how (not) to monitor it. By OneDayMD Editorial Team | Originally published March 2026 | Last updated October 18, 2026 | Sources reviewed through October 2026 | Next scheduled review: April 2027 Quick answer The McCullough Base Spike Detox is a clinician-proposed regimen of nattokinase (2,000 FU twice daily), bromelain (500 mg daily) and nano/liposomal curcumin (500 mg twice daily) intended to break down persistent SARS-CoV-2 spike protein. [1] Laboratory studies show nattokinase can degrade spike protein in cell and test-tube systems TIER 3 [2] [3] , and spike antigen does persist in a minority of people for months after infection TIER 2 [8] . Nattokinase and bromelain affect clotting, and highly bioavailable curcumin has been linked to rare liver injury, so check with a physician fi...
Dr. McCullough explained (1) that the spike protein is an engineered, synthetic molecule roughly 1,200 amino acids long and resistant to degradation by the body’s normal proteases. He described how the protein was modified in laboratory settings (notably at the Wuhan Institute of Virology) to tightly bind to the ACE2 receptor, which is found throughout the body—in the lungs, heart, endothelium, kidneys, and brain. Because this receptor regulates angiotensin metabolism, older individuals with fewer ACE2 sites catabolize the spike less efficiently, leading to worse outcomes. Whether introduced by infection or by genetic‑code‑based vaccines, McCullough asserted, the persistent spike damages tissues directly and through chronic inflammation, micro‑clotting, and autoimmune cross‑reactivity. Spike Protein Protocol Personalizer Based on Dr. Peter McCullough's Base Spike Detox & FLCCC I-Recover Frameworks ⚠ Medical Disclaimer: This tool is...
By OneDayMD Editorial Team · Published September 30, 2026 · Last updated: November 2026 Quick Answer: does anything work for Long COVID? No specific treatment has been proven to work for Long COVID in general. Randomized trials have found no benefit from extended Paxlovid (959 adults), metformin (396) or short-course hyperbaric oxygen (80). Promising but unconfirmed signals include the SIM01 synbiotic (463 people, Hong Kong), physical-activity coaching (50) and the Ultimate Spike Detox. For prevention during acute COVID, Paxlovid (144 people) and metformin show mixed or underpowered results. Care remains individualized and symptom-focused. Medical disclaimer. This article is educational and is not personal medical advice, diagnosis or treatment. Long COVID can overlap with cardiovascular, pulmonary, neurological, endocrine and sleep disorders. Do not start, stop or change pr...
By OneDayMD Editorial Team | Originally published May 2023 | Last updated October 2026 | Sources reviewed through October 2026 Quick Answer The FLCCC/IMA I-CARE Flu and RSV protocol is a home regimen of nasal and mouth antiseptics, supplements and off-label drugs. Most components are supported by laboratory or expert-opinion evidence, not influenza trials. The best-evidenced treatments for influenza are prescription antivirals started early: oseltamivir for hospitalized patients and baloxavir or oseltamivir for high-risk outpatients. Seek care promptly if you are high-risk or struggling to breathe. What changed in this update (October 2026) Fixed copy-paste wording that described the protocol as a COVID-19 guide. Replaced the claim that Tamiflu has “no antiviral properties.” Oseltamivir is a direct-acting neuraminidase inhibitor, and the 2025 paper is in JAMA Ne...
Medically reviewed by: OneDayMD Editorial Team | Last updated: August 2026 Introduction The rapid development and deployment of COVID-19 vaccines have been monumental in combating the global pandemic, saving countless lives and enabling societies to regain a sense of normalcy. Central to the efficacy of many of these vaccines, particularly mRNA and viral vector-based ones, is the spike protein—a key component of the SARS-CoV-2 virus that facilitates its entry into human cells. By instructing the body to produce a version of this protein, vaccines train the immune system to recognize and neutralize the virus without causing illness. However, as vaccination campaigns expanded, so did public curiosity and concern about the spike protein's role, fueled by a mix of scientific complexity, misinformation, and distrust. For years, the public was told that COVID-19 mRNA vaccine components degraded rapidly—within days to weeks. Hulscher, McCullough, and colleagues' ...
Dr. Peter McCullough is an internist, cardiologist, epidemiologist, a full professor of medicine at Texas A&M College of Medicine in Dallas, USA. He also has a master's degree in public health and is known for being one of the top five most-published medical researchers in the United States and is the editor of two medical journals. McCullough Protocol 2022 Update: Azelastine Nasal Spray for Prevention of SARS-CoV-2 Infections: A Phase 2 Randomized Clinical Trial ( JAMA 2025 ) Everyone is familiar with nasal and oral swab testing for COVID-19. It should be obvious the virus is replicating in the nose, and with Omicron, the speed of replication has become much greater than the prior strains of the virus. Thus, there is a wonderful opportunity to reduce viral replication, in fa...
Dose, blood pressure, carotid plaque, brain health and bleeding risk, graded by evidence tier. By Dr. Frank Yap, MD | Last Updated October 2026 Quick Answer Nattokinase is a clot-dissolving enzyme made by Bacillus subtilis during natto fermentation. Its best-supported human effect is a modest blood pressure drop (about 3 to 5 mmHg systolic) in randomized trials. Plaque regression has been reported only at 6,000 FU/day or higher, in studies that were unblinded or retrospective, while the largest placebo-controlled trial at 2,000 FU/day was null. No trial has measured heart attacks, strokes or deaths. It acts on clotting, so it should not be combined with blood thinners without a clinician, and it must never replace a prescribed anticoagulant. Contents What nattokinase is How it works Human evidence table (CEBM tiers) Blood pressure Plaque and the dose question Cholesterol Brain and stroke research Spike protein claims Natto the food vs. the enzyme Safety, inte...
By OneDayMD Editorial Team · Originally published May 2022 · Last updated November 2026 · Sources reviewed through November 2026 Quick Answer Post-COVID-vaccination syndrome (PVS) describes persistent symptoms such as fatigue, exercise intolerance and brain fog that begin after vaccination. It is under active study, but there is no diagnostic test and no treatment proven in randomized trials . The FLCCC/IMA I-Recover protocol is a layered, off-label regimen (time-restricted eating, ivermectin, nattokinase, low-dose naltrexone, supplements) built from proposed mechanisms, clinical observation and patient anecdotes. Evidence-based first steps: see a clinician to exclude treatable causes (myocarditis, thyroid disease, anemia, POTS, sleep disorders), pace your activity, and consider joining a research study. The Independent Medical Alliance (IMA), previously known as the FLCCC, offers a detailed plan called the I-RECOVER protocol. It's a detailed guide for addressing post-...
Immune Systems Advisor · Integrative Medicine White Paper · Open Access Authors: OneDayMD Editorial Team (synthesis and editorial adaptation) · Original protocols: Marik P, Kory P (IMA/FLCCC, 2022–2024); McCullough PA (Cureus, 2023) · Published: March 2023 · Last updated: August 2026 Evidence Tier Key: TIER 1 RCT / systematic review TIER 2 Observational / cohort TIER 3 In vitro / mechanistic TIER 4 Expert consensus / clinical observation ⚠ Medical Disclaimer — Please Read First. This article is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. The protocols described involve supplements with significant anticoagulant activity. Always consult a licensed physician before starting, especially if you take blood thinners, are pregnant or breastfeeding, have a bleeding disorder, or are treating a child. For a virt...
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