Herb Profile
Epimedium
Epimedium is represented here primarily through icariin and related prenylated flavonoids such as epimedin A, B, and C.
Last reviewed: •3 human studies cited
C PreliminaryUse extra caution — Use caution in people with blood pressure instability, hormone sensitive conditions, or high sensitivity to activating supplements. Details
- Evidence
- Limited Human Evidence
- Typical onset
- Varies by prep
- Safety rating
- High caution
- Best for
- Reproductive, Energy, Athletic performance
- Avoid / review if
- Pregnancy/Breastfeeding, Hormone Sensitive Conditions Without Review, Arrhythmia/Cardiovascular Disease Caution
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Epimedium
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Safety & Cautions
Use caution in people with blood pressure instability, hormone sensitive conditions, or high sensitivity to activating supplements. Keep positioning moderate rather than performance driven.
28%
High caution — review carefully
Detailed safety fields
Pregnancy, breastfeeding, and contraindications
- - Pregnancy/Breastfeeding
- - Hormone Sensitive Conditions Without Review
- - Arrhythmia/Cardiovascular Disease Caution
- - May Interact With Antihypertensives
- - PDE5 Inhibitors
- - Anticoagulants
- - And Hormone Therapies.
Safety classifications
- - Hormonal Activity Context: Hormone-adjacent wording is present and should be interpreted carefully.
- - Pregnancy/Breastfeeding Caution: Pregnancy or breastfeeding caution language is present.
Full safety note
- - Use caution in people with blood pressure instability, hormone sensitive conditions, or high sensitivity to activating supplements. Keep positioning moderate rather than performance driven.
Safety labels
- - Hormonal Activity Context
- - 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.
High-Priority Caution
147 flagged pairingsBleeding / anticoagulant risk
High-Priority Caution
147 flagged pairingsBleeding / anticoagulant risk
Browse the grouped cautions below. The list scrolls inside this card when long.
Bleeding / anticoagulant risk
- aescin
- Aged Garlic Extract
- ajoene
- Ajwain
- Allicin
- Garlic
- American Ginseng Extract
- Andrographis
- Angelica Archangelica
- Angelica Dahurica
- Angelica Pubescens
- Angelica Root
- Angelica Sinensis
- Arjuna
- Artemisia Capillaris
- Artichoke
- Ashitaba
- Ashitaba Extract
- Astaxanthin
- Berberis
- Black Seed
- Black Seed Oil
- Blueberry
- Boldo
- Boswellia
- Capsicum
- Caraway
- Carnitine L Tartrate
- Cayenne
- Chamomile
- Chinese Skullcap
- Chuanxiong
- Cissus
- Citicoline
- Clove
- Cnidium Monnieri
- Coleus Forskohlii
- Commiphora Mukul
- Coenzyme Q10
- Cordyceps
- Cranberry (Vaccinium macrocarpon)
- crocetin
- crocin
- cryptotanshinone
- Curcuma Wenyujin
- Curcumin
- Damiana
- Danshen
- Devils Claw Extract
- Dong Quai
- EGCG
- Epimedium Brevicornum
- Evening Primrose (Oenothera biennis)
- Fenugreek
- Fenugreek Extract
- ferulic acid
- Feverfew
- Fisetin
- forskolin
- Fraxinus Rhynchophylla
- Fucoxanthin
- Galangal
- Reishi
- Garcinia Mangostana
- Garlic (Allium sativum)
- Garlic Aged Extract
- Garlic Extract
- Ginger (Zingiber officinale)
- Ginkgo
- Ginkgo Biloba Extract
- Ginkgo Extract EGb 761
- Panax Red Ginseng
- Panax White Ginseng
- ginsenoside rg3
- Glucosamine
- Goldenseal
- Lion's Mane
- Holy Basil / Tulsi (Ocimum tenuiflorum)
- Horse Chestnut
- hydroxytyrosol
- Japanese Knotweed
- Kudzu
- L-Carnitine
- Ligusticum Chuanxiong
- Magnolia
- Mangosteen
- Maral Root
- Chamomile
- Melatonin
- MSM
- Myrtle
- Nettle Root
- Nigella Sativa
- Noni
- Notoginseng
- Ocimum Basilicum
- Olive Leaf Extract
- Oregano
- Paeonia Lactiflora
- Asian Ginseng
- Panax Ginseng Extract
- Papaya Leaf
- Pastinaca Sativa
- Pau D'arco
- Perilla
- Phosphatidylserine
- Piper Longum
- Bifidobacterium Probiotic
- Lactobacillus Probiotic
- Probiotics - Bifidobacterium spp.
- Probiotics - Lactobacillus spp.
- Psoralea Corylifolia
- Pycnogenol
- Quercetin
- Quercetin Phytosome
- Red Clover
- Reishi (Ganoderma lucidum)
- Resveratrol
- Rhodiola Extract SHR-5
- Rose Hips
- Rosemary
- Saffron
- Saffron Extract
- Salvia miltiorrhiza
- Saw Palmetto (Serenoa repens)
- Saw Palmetto Extract
- Schisandra Berry
- Schisandra Chinensis
- Scutellaria Baicalensis
- Selaginella Tamariscina
- Soybean
- Syzygium Aromaticum
- Terminalia arjuna
- Thunder God Vine
- Thyme
- Tongkat Ali
- Trans-Resveratrol
- Fenugreek
- Tripterygium Wilfordii
- Turmeric (Curcuma longa)
- Turmeric Curcumin + Piperine
- Valerian
- Vitamin D3 + K2
- Grape
- White Peony
- Willow Bark Extract
- Yarrow
Moderate Caution
81 flagged pairingsBlood-pressure effects
Moderate Caution
81 flagged pairingsBlood-pressure effects
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 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
- Parsley
- Poria
- PT-141 (Bremelanotide)
- Punarnava
- Quercetin Phytosome
- Saffron Extract
- Sodium
- Soursop
- Ashwagandha
- Yerba Mate
- Yohimbe
- Yohimbine
Evidence Summary
Evidence lens
Early signal that needs stronger human replication before practical claims.
PreliminaryLimited Human Evidence
Human clinical evidence: Present in source signals
Mechanistic / preclinical: Mechanism mapped — Vascular Function Support · Endothelial Function Support
Research maturity: Preliminary or mixed — Long Term Human Evidence May Be Limited.
Safety boundary: Safety note available — Use caution in people with blood pressure instability, hormone sensitive conditions, or high sensitivity to activating supplements.
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
Clinical Study Summaries (3)Cited studies informing this profile. RCTs and reviews shown first.
| Study | Type | Sample | Source |
|---|---|---|---|
Botanicals and Their Bioactive Phytochemicals for Women's Health Dietz BM et al. (2016) | — | — | PubMed → |
Anti-inflammatory and immunoregulatory effects of icariin and icaritin Bi Z et al. (2022) | — | — | PubMed → |
Yan Q et al. (2024) | — | — | PubMed → |
Dosing & Timing
Dose guidance
Preparation specific; use standardized product label for Leaf extracts standardized to icariin/flavonoids and require source backed dosage review before therapeutic claims.
How Epimedium Works
Simplified mechanism pathway based on preclinical and pharmacological evidence. Does not confirm clinical efficacy.
Mechanism Pathway — How Epimedium 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.
Vascular Function SupportEndothelial Function Support
Active Compounds
Key constituents studied in Epimedium, with full pharmacology and safety profiles.
Condition guides
Compare & Sourcing
Compare side-by-side tradeoffs or verify active marker guidelines.
Review available sources for Epimedium
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 Epimedium
Epimedium dosage ranges, effects, drug interactions, and harm-reduction safety guide for reproductive. Limited 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 Epimedium, 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.