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California Poppy

Also known as: Eschscholzia californica, Golden poppy

D
Evidence

Mild sedative and anxiolytic herb in the poppy family. Distinct from opium poppy — no opioid alkaloids.

Last reviewed June 2026 · Evidence graded from peer-reviewed research, not editorial opinion. Educational only — not medical advice.

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Primary uses

  • Sleep onset
  • Mild anxiety
  • Restlessness

How it works

  • Contains californidine and eschscholtzine alkaloids
  • GABAergic activity in animal models
  • Inhibits enzymatic degradation of catecholamines and serotonin

Dosage

Typical range
200-600 mg dried herb, or 0.5-2 ml tincture before bed
Timing
30-60 minutes before sleep
With food
Either way
Duration
Safe for short-term ongoing use; long-term safety not well studied
Special populations
Avoid in pregnancy

Forms

  • Tincture
  • Capsule (dried aerial parts)
  • Tea

Safety

Common side effects

  • Drowsiness
  • Mild GI upset (rare)

Contraindications

  • Pregnancy
  • Combination with strong CNS depressants

Evidence notes

Limited human studies. Traditional use for sleep and mild anxiety; mechanism inferred from in vitro work.

Grade D: Primarily pre-clinical or anecdotal; human efficacy not established.

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Medical disclaimer. This page is educational and does not replace advice from a qualified healthcare provider. Individual needs and risks vary — consult a professional before starting, stopping, or combining supplements, especially if you are pregnant or nursing, taking medication, or managing a health condition.