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Eschscholzia californica

California Poppy is an herb that has some bioactive alkaloids which may be nootropic or cognitive enhancing in nature; It is currently in the exploratory stages of research.

Our evidence-based analysis on eschscholzia californica features 11 unique references to scientific papers.

Kamal Patel
Research analysis led by and reviewed by the Examine team.
Last Updated:

Summary of Eschscholzia californica

Primary information, health benefits, side effects, usage, and other important details

California Poppy is a common plant in North and South America that has some traditional usage as a sedative and anxiolytic when made as a tea. Two rat studies have observed sedatory and anxiolytic actions, and one human study showed some promise to this claim but conclusions cannot be drawn since it also used another herb in conjunction with California Poppy.

In the preliminary stages of research, the unique alkaloid profile of California Poppy appears to interact with a variety of receptors in potent ways. The vast majority of these leads have not been further investgiated, and conclusions (especially on Serotonin) cannot be drawn at this point in time.

Currently, California Poppy is too preliminary to support any supplemental usage.

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How to Take

Recommended dosage, active amounts, other details

There is currently not enough evidence to support an optimal dose of California Poppy. The best bet may to simply make tea, which has been apparently used as an anxiolytic and sedative by some people.

Things to Note

Is a Form Of

Primary Function:

Also Known As

California Poppy

  • At least one study noted potent interactions with both CYP3A4 (a drug-metabolizing enzyme) and potent interaction with the Serotonin receptor; it would be prudent to avoid California Poppy if using pharmaceuticals

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This page is regularly updated, to include the most recently available clinical trial evidence.

Each member of our research team is required to have no conflicts of interest, including with supplement manufacturers, food companies, and industry funders. The team includes nutrition researchers, registered dietitians, physicians, and pharmacists. We have a strict editorial process.

This page features 11 references. All factual claims are followed by specifically-applicable references. Click here to see the full set of research information and references for Eschscholzia californica.

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