photo of Cosmetics with cannabis oil on a turquoise plate on a light marble background
Various uses of cannabis shown on a turquoise plate on a light marble background; photo by Irina, via

Can weed stop COVID-19? Two hemp compounds might – study

A pair of cannabinoid acids found in hemp may be able to help prevent COVID-19 infections.

Cannabis and various products and uses; photo by Irina, via

Republished with permission, the Jerusalem Post 

January 12, 2022 — Can marijuana help prevent COVID-19? According to a new study, that seems to be the case.

The study, published in the peer-reviewed academic periodical Journal of Natural Products by researchers from Oregon State University, focuses specifically on hemp compounds, known specifically as cannabis sativa.

This type of marijuana is used in many different products such as cosmetics, food, lotions and dietary supplements.

But a pair of cannabinoid acids found in hemp may be able to help prevent COVID-19 infections.

These compounds, cannabigerolic acid, or CBGA, and cannabidiolic acid, CBDA, work by binding to coronavirus spike proteins. This is important, as it means they have the same drug target (a molecule critical to the disease’s process) as COVID-19 vaccines and antibody treatments do. In other words, this blocks the virus’s main way of infecting people. Compounds blocking the infection process means has been shown to work in other diseases, too, such as HIV and hepatitis.

“These cannabinoid acids are abundant in hemp and in many hemp extracts,” lead author Richard van Breemen said in a statement.

“They are not controlled substances like THC, the psychoactive ingredient in marijuana, and have a good safety profile in humans. And our research showed the hemp compounds were equally effective against variants of SARS-CoV-2, including variant B.1.1.7 [Alpha variant], which was first detected in the United Kingdom, and variant B.1.351 [Beta variant], first detected in South Africa.”

These compounds were identified by using a mass spectrometry-based technique to screen for compounds to make drugs that could target the coronavirus’s spike protein.

“These compounds can be taken orally and have a long history of safe use in humans,” van Breemen said. “They have the potential to prevent as well as treat infection by SARS-CoV-2. CBDA and CBGA are produced by the hemp plant as precursors to CBD and CBG, which are familiar to many consumers. However, they are different from the acids and are not contained in hemp products.”

But while the compounds seem effective against Alpha and Beta variants, it is unclear if they are effective against the others like Delta and Omicron.

More research is needed to test this, as well as testing other compounds, specifically a compound derived from licorice that also binds to the spike protein.

But as of now, the best means of preventing COVID-19 infection remains getting vaccinated.

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