The Claim

Nitric oxide nasal spray inactivates influenza A, influenza B, SARS-CoV-2, and human rhinovirus by over 99% within minutes in vitro.

Source: This $2 Remedy Beats Every Cold Medicine

What the research says

Not yet evaluated

We are still looking at what the research says.

Supports

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Challenges

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These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Quantitative

1 study reviewed

In plain English

A nose spray with nitric oxide can quickly kill over 99% of flu, COVID, and cold viruses in lab tests.

See the scientific wording

Nitric oxide nasal spray inactivates influenza A, influenza B, SARS-CoV-2, and human rhinovirus by over 99% within minutes in vitro.

1 study

Study: Broad-Spectrum Virucidal Activity of Nitric Oxide Nasal Spray (NONS) Against SARS-CoV-2 Variants and Major Respiratory Viruses
The study tested the same nasal spray and found it kills over 99% of the flu, COVID, and cold viruses in minutes, just like the claim says.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.