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Independent product research

California Poppy: Uses, Research & Safety

California poppy appears on the current Nerve Fresh label at 90 mg per serving. It has a history of sedative use, and laboratory research raises potential herb–drug interaction questions.

Updated September 13, 2026Written by NerveiFresh Product Research Editorial Team
Quick answer: California poppy appears on the current Nerve Fresh label at 90 mg per serving. It has a history of sedative use, and laboratory research raises potential herb–drug interaction questions.

Current Nerve Fresh label entry

Eschscholzia californica whole plant extract
90 mg

Amount shown per 2-capsule serving on the current product label supplied to this site.

What California poppy is

Eschscholzia californica is a flowering plant native to the western United States. Herbal preparations have traditionally been used for calming and sleep-related purposes.

What has been studied

California poppy contains alkaloids including protopine and related compounds. Much of the mechanistic literature is laboratory or animal work rather than large human clinical trials.

Drug-interaction considerations

An in-vitro study found that certain California poppy extracts and alkaloids affected several CYP drug-metabolizing enzymes. Laboratory findings do not predict every real-world interaction, but they support caution when combining botanicals with medications.

What this means for Nerve Fresh

The label confirms a whole-plant extract, but it does not provide alkaloid standardization. The ingredient should not be used as proof that the full Nerve Fresh formula treats nerve pain or sleep disturbance.

Evidence limits

Ingredient evidence is not finished-product evidence.

Even when an ingredient has promising research, that does not establish the effectiveness of Nerve Fresh as a complete formula. Form, dose, standardization and the studied health outcome all matter.

References

  1. PubMed — Modulation of CYPs, P-gp, and PXR by Eschscholzia californica
  2. U.S. FDA — FDA 101: Dietary Supplements

Related Nerve Fresh pages

Editorial note: We separate product-label facts, seller-provided offer information and independent scientific evidence. Ingredient research does not prove that the finished Nerve Fresh product has been clinically proven.