Overview
Mild sedative with anxiolytic and analgesic activity.
- Whole dried plant material (root, leaf, flower, or aerial parts depending on the species)
- Standardized hydroethanolic or aqueous extract (capsule, tincture, or tea)
- Powdered traditional preparation used in Ayurvedic, TCM, or Western herbal practice
- Standardized extract capsule
- Liquid tincture (alcohol or glycerin)
- Powdered whole herb
- Traditional decoction or tea
Mechanism of action
Protopine alkaloids enhance GABA binding and inhibit monoamine oxidase weakly.
- · Protopine alkaloids enhance GABA binding
- · inhibit monoamine oxidase weakly
Effects on the body
Organ system effects
California Poppy promotes parasympathetic tone, GABAergic signaling, or melatonergic pathways that facilitate sleep onset and quality.
Evidence-based benefits
Improves sleep onset latency
Limited evidencePotential side effects
- · Drowsiness
Drug interactions
Safety & non-supplemental interactions
Educational summary — always confirm with your clinician or pharmacist before starting, stopping, or combining with prescription therapy.
- ·Pregnant or breastfeeding (insufficient safety data)
- ·Children under 18 (unless directed by a clinician)
- ·Alcohol, benzodiazepines, opioids, sedating antihistamines (additive CNS depression)
Supplement interactions
- Magnesium glycinateComplementary GABAergic calming and improved sleep architecture.
- L-theanineReduces sleep latency without sedation.
No specific avoidances listed.
Dosing & bioavailability
Where to buy
Affiliate links — we may earn a commission at no extra cost to you. Amazon code supplementsch-20 is auto-applied at checkout. We don't endorse specific brands; verify third-party testing (USP, NSF, Informed Sport) before purchase.
Third-party testedIndependently verified California Poppy — look for USP, NSF, or Informed Sport seals on the label for purity and dose accuracy.California Poppy third party tested NSF
CapsulesPre-measured California Poppy capsules — easiest for travel and consistent daily dosing without scoops or scales.California Poppy capsules
PowderBulk unflavored California Poppy powder — best cost-per-gram and flexible dosing for stacking or mixing into drinks.California Poppy powder unflavored
Best sellersMost-purchased California Poppy products on Amazon — a quick way to see what's reviewed widely before you commit.California Poppy best sellerScientific evidence8Show studiesHide studies
California poppy + magnesium for anxiety
Hanus M, et al.
3-month DB-RCT in 264 GAD patients.
Combination significantly reduced HAM-A vs placebo.
PubMed: California Poppy — Improves sleep onset latency
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