Herb Profile
Parsley
Botanical profile with evidence, safety, and practical fit.
Last reviewed: •3 human studies cited
C PreliminaryUse extra caution — Culinary use is usually low risk, but high dose extracts/essential oil may be unsafe; avoid concentrated use in pregnancy, kidney disease, and with anticoagulants/warfarin sensitive vitamin K management unless supervised. Details
- Evidence
- Strong Human Evidence
- Typical onset
- Varies by prep
- Safety rating
- High caution
- Best for
- Sleep, Stress resilience, Cognitive function, Inflammatory signaling
- Avoid / review if
- Pregnancy/Breastfeeding Without Clinician Supervision, Known Allergy To The Plant/Family, Significant Kidney Disease Or Unstable Electrolytes
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Parsley
Generated profile category visual
Where to go next — guides & comparisons
Continue reading
- If you want help sleeping → Sleep guides
- If you want to browse more herbs → All herbs
Safety & Cautions
Culinary use is usually low risk, but high dose extracts/essential oil may be unsafe; avoid concentrated use in pregnancy, kidney disease, and with anticoagulants/warfarin sensitive vitamin K management unless supervised.
28%
High caution — review carefully
Detailed safety fields
Pregnancy, breastfeeding, and contraindications
- - Pregnancy/Breastfeeding Without Clinician Supervision
- - Known Allergy To The Plant/Family
- - Significant Kidney Disease Or Unstable Electrolytes
- - Seizure Disorder Or Sedative/Alcohol Use
- - Potential Interaction Concern With Antihypertensives/Diuretics
- - Sedatives/CNS Depressants
- - Use Clinician Review For High Dose Extracts Or Chronic Use.
Safety classifications
- - Interaction-Aware: Medication or interaction context is explicitly noted.
- - Anticoagulant Caution: Bleeding or anticoagulant-adjacent caution language is present.
- - Pregnancy/Breastfeeding Caution: Pregnancy or breastfeeding caution language is present.
Full safety note
- - Culinary use is usually low risk, but high dose extracts/essential oil may be unsafe; avoid concentrated use in pregnancy, kidney disease, and with anticoagulants/warfarin sensitive vitamin K management unless supervised.
Safety labels
- - Interaction-Aware
- - Anticoagulant Caution
- - Pregnancy/Breastfeeding Caution
Evidence-based safety
Caution when combined
These pairings share a flagged risk mechanism. They are additive-effect cautions derived from contraindication data, not confirmed clinical interactions. Consult a clinician before combining.
Moderate Caution
149 flagged pairingsBlood-pressure effects · Sedation / CNS depression
Moderate Caution
149 flagged pairingsBlood-pressure effects · Sedation / CNS depression
Browse the grouped cautions below. The list scrolls inside this card when long.
Blood-pressure effects
- Agmatine sulfate
- ajoene
- Allicin
- American Ginseng Extract
- Andrographis
- Angelica Dahurica
- Astaxanthin
- Astragalus Membranaceus
- Beetroot extract
- Berberis
- Bicarbonate
- Black Seed
- Black Seed Oil
- Brassica Oleracea
- Buckwheat
- Caffeine
- Capsicum
- Caraway
- Chuanxiong
- Citicoline
- Citrus Bergamia
- Cnidium Monnieri
- Coenzyme Q10
- Coffee Cherry
- Coleus Forskohlii
- Hawthorn
- crocetin
- crocin
- Crocus Sativus
- Cymbopogon Citratus
- Dandelion
- Danshen
- Dendrobium
- Devils Claw Extract
- Electrolyte Mix
- Sodium electrolytes
- Eleuthero
- EGCG
- Epimedium
- Epimedium Brevicornum
- Eucommia
- ferulic acid
- forskolin
- Garlic Extract
- Gastrodia
- Panax Red Ginseng
- Panax White Ginseng
- Glycyrrhiza Glabra
- Guarana
- Guayusa
- Hibiscus
- Huperzia Serrata
- L-Tyrosine
- Lemongrass
- Licorice
- Ligusticum Chuanxiong
- Lobelia Inflata
- Luo Han Guo
- Moringa
- Mucuna
- Myristica Fragrans
- Nettle Root
- Nicotiana Glauca
- Nicotiana Tabacum
- Nigella Sativa
- Nicotinamide Mononucleotide
- Notoginseng
- Olive Leaf
- Olive Leaf Extract
- Panax Ginseng Extract
- Poria
- PT-141 (Bremelanotide)
- Punarnava
- Quercetin Phytosome
- Saffron Extract
- Sodium
- Soursop
- Ashwagandha
- Yerba Mate
- Yohimbe
- Yohimbine
Sedation / CNS depression
- American Yellow Lotus
- Artemisia Absinthium
- Ashwagandha (Withania somnifera)
- Bacopa
- Black Seed
- Black Tea
- Blue Lotus
- Calamus
- Catuba
- Celastrus Paniculatus
- Chamomile
- Chinese Skullcap
- Coriandrum Sativum
- Corydalis
- Cymbopogon Citratus
- Damiana
- California Poppy
- Eucalyptus
- Gastrodia
- Glycine
- Gotu Kola (Centella asiatica)
- Hops
- Hypericum Perforatum
- Jatamansi
- Jujube
- Lavender
- Lavender
- Lavender Extract
- Lemon balm
- Lemon Balm Extract
- Lemon Verbena
- Lemongrass
- Lobelia Inflata
- Longan
- Magnolia
- Melatonin
- Lemon Balm
- Milk Oats
- Mugwort
- Muira Puama
- Myristica Fragrans
- Nicotiana Glauca
- Nicotiana Tabacum
- Oatstraw
- Ocimum Basilicum
- Passionflower
- Passionflower
- Passionflower Extract
- Passionflower Extract (Standardized)
- Kava
- Polygala
- Poria
- Raspberry Leaf
- Sage
- Schisandra Berry
- Schisandra Chinensis
- Scutellaria Baicalensis
- Skullcap
- Shankhpushpi
- Sophora Flavescens
- theanine
- Valeriana officinalis
- Valerian Extract (Standardized)
- Valerian Root Extract
- Valerian
- Verbena Officinalis
- Ashwagandha
- Wormwood
Evidence Summary
Evidence lens
Most useful for practical interpretation when safety context also fits.
StrongStrong Human Evidence
Human clinical evidence: Present in source signals
Mechanistic / preclinical: Mechanism mapped — Inflammatory Signaling Modulation · Oxidative Stress Modulation · Neurotransmitter Modulation
Research maturity: Preliminary or mixed — Long Term Human Evidence May Be Limited.
Safety boundary: Safety note available — Culinary use is usually low risk, but high dose extracts/essential oil may be unsafe; avoid concentrated use in pregnancy, kidney disease, and with anticoagulants/warfarin sensitive vitamin K management unless supervised
This profile cites 3 human studies.
How evidence grades work
Each grade reflects the strength and consistency of published human evidence — not marketing claims. Grades are based on study count, design quality, effect size, consistency, and recency.
A
Strong
Multiple RCTs, consistent direction, adequate effect size
B
Moderate
Some RCTs or consistent observational data in humans
C
Preliminary / Mixed
Animal or in-vitro only, or conflicting human data
D
Traditional / Theoretical
Traditional use only; no controlled human trials
Dosing & Timing
Dose guidance
Preparation specific; use standardized product label for Preparation varies by tradition and product form and require source backed dosage review before therapeutic claims.
How Parsley Works
Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.
Mechanism Pathway — How Parsley Works
CompoundTarget / ReceptorMechanismEffect / Outcome
Mechanisms & Biological Pathways
Preclinical pathways
Proposed mechanisms from in vitro and animal research; these do not confirm clinical outcomes in humans.
Inflammatory Signaling ModulationOxidative Stress ModulationNeurotransmitter ModulationNrf2 Activation
Active Compounds
Key constituents studied in Parsley, with full pharmacology and safety profiles.
Condition guides
Compare & Sourcing
Compare side-by-side tradeoffs or verify active marker guidelines.
Review available sources for Parsley
Independent database mapping — evaluated separately from safety and efficacy scores.
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Safety first · Harm reduction
This information is educational and not medical advice. Start low, avoid risky combinations, and consult a licensed clinician before making health decisions—especially if you use medications, have diagnosed conditions, or are pregnant/breastfeeding.
Learn how we evaluate confidence, safety, and intensity on the methodology page.
Editorial Review
Checked against primary sources, cited evidence, and contraindication language before publication. Evidence claims, safety language, and affiliate modules are reviewed independently. Not personal medical advice.
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Botanical profile context
How to interpret Parsley
Parsley dosage ranges, effects, drug interactions, and harm-reduction safety guide for sleep. Strong Human Evidence research evidence. Use this herb profile as a starting point for evidence review, not as a recommendation to start a new supplement. Botanical products can vary by plant part, extract ratio, standardization, dose, and contaminant testing, so two labels with the same common name may not behave the same way.
When reviewing Parsley, compare the traditional-use context against the human evidence, mechanism notes, and safety cautions. Pay special attention to pregnancy, breastfeeding, liver or kidney disease, blood-pressure effects, sedation, stimulation, anticoagulant use, antidepressants, and any prescription medication overlap.
For product decisions, prefer transparent labels, named extracts, clear serving sizes, and third-party quality testing. Avoid treating a long list of possible mechanisms as proof that an herb will solve a specific condition.