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30.01.2024


Echinacea protects against viruses in general, not against SARS-CoV-2 in particular

During flu season, when respiratory viruses are flying around, there may be something to be said for supplementing with echinacea. But if you specifically want to protect yourself against the coronavirus SARS-CoV-2, echinacea may be less suitable. This is suggested by a sponsored human study that appeared in Frontiers in Pharmacology in 2022.


Echinacea protects against viruses in general, not against SARS-CoV-2 in particular


Study
On behalf of Vogel, a manufacturer of echinacea supplements, researchers from the Bulgarian Clinical Research Center conducted a study in which 120 healthy adults participated. The researchers divided the subjects into 2 groups. For 6 months - from December 2020 to May 2021 - the subjects in the experimental group took 2 Echinaforce [EF] tablets 3 times every day.

Echinaforce contains an extract on a 65 percent alcohol base from material consisting of 95 percent aerial parts of the echinacea plant and 5 percent roots.

One Echinaforce tablet contains 400 milligrams of echinacea extract. The study participants therefore took 800 milligrams of extract per intake, 2400 milligrams per day. When the subjects came down with a cold or flu, they took a dose of echinacea 5 times a day. This amounted to 4000 milligrams per day.

After the study participants took echinacea for 2 months, they left their supplements for a week.

Subjects in the control group did not take any supplements [Control]. They also didn't use a placebo.

Results
The study participants in the echinacea group became ill less often than in the control group, but this difference was not statistically significant. However, during controls, the researchers found fewer coronaviruses in the nasal cavity of echinacea users than in the control group.

Click on the table below for a larger version.


Echinacea protects against viruses in general, not against SARS-CoV-2 in particular


Echinacea protects against viruses in general, not against SARS-CoV-2 in particular


Supplementation with echinacea reduced the number of days that subjects suffered from a virus. You can see this in the table above.

The subjects in the echinacea group also lost fewer sick days as a result of an infection with the specific coronavirus SARS-CoV-2, but again the difference was not statistically significant.

Source:
Front Pharmacol. 2022 Apr 26:13:856410.

More:
Co-supplementation with ginger + echinacea strengthens regular Covid-19 treatment 20.01.2024
Echinacea purpurea better flu virus inhibitor than oseltamivir 03.02.2021
Echinacea keeps immune system up & running in times of severe stress 18.05.2018
Echinacea protects air travellers 18.11.2012
Echinacea and Cat's Claw work better when combined 15.08.2011

Archives:
Immune System
Echinacea


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