Table of Contents
What is Organic Epimedium Extract?
Organic Epimedium Extract Powder is sourced from 100% certified organic Epimedium brevicornu Maxim. and Epimedium sagittatum (Sieb. et Zucc.) Maxim. — two of the most researched species in the Epimedium genus, widely used in traditional Chinese medicine for over 2,000 years. The extract is standardized to icariin (the primary bioactive flavonoid glycoside) at ≥10%, 20%, or 40%, with the full flavonoid spectrum — including epimedin A, B, and C — preserved through a proprietary organic-compliant water-ethanol extraction process. This solvent-free extraction method, using only water and organically certified ethanol, ensures the product meets the strictest organic certification requirements while maintaining the complete phytochemical profile of the herb.
The health benefits of epimedium are attributed primarily to icariin’s activity as a natural phosphodiesterase type 5 (PDE5) inhibitor — the same mechanism as certain pharmaceutical agents, though at significantly lower potency. This PDE5 inhibition promotes nitric oxide (NO) release in the vascular endothelium, leading to vasodilation, improved blood flow, and enhanced oxygen and nutrient delivery to tissues. In athletic performance contexts, this translates to improved “muscle pump,” endurance, and recovery. For male vitality, enhanced blood flow to the corpus cavernosum supports erectile function and libido. For bone health, icariin and related flavonoids stimulate osteoblast activity and inhibit osteoclast differentiation — a mechanism that positions epimedium as a natural option for bone density support, particularly relevant for aging populations.
Additional emerging research highlights epimedium’s neuroprotective properties: icariin crosses the blood-brain barrier and has demonstrated antioxidant, anti-inflammatory, and anti-apoptotic effects in neuronal cells, supporting healthy brain aging and cognitive function. The adaptogenic properties of epimedium — supporting the hypothalamic-pituitary-adrenal (HPA) axis — contribute to stress resilience, energy levels, and hormonal balance in both men and women.
Formulators should note that epimedium extract has a slightly bitter and astringent herbal taste; cocoa powder or organic lemon juice powder are effective masking agents. Maintaining a near-neutral pH in finished formulations preserves flavonoid stability and prevents degradation.
PHYSICAL & CHEMICAL SPECIFICATIONS
Product Specifications
| Parameter | Value |
|---|---|
| Source | 100% organic Epimedium brevicornu / sagittatum leaves |
| Processing | Water-ethanol extraction (organic ethanol only; no synthetic solvents) |
| Icariin Content | ≥10%, 20%, or 40% (customizable) |
| Active Compounds | Icariin, Epimedin A/B/C, total flavonoids |
| Appearance | Fine powder; green to pale yellow-brown |
| Particle Size | 80–100 mesh |
| Solubility | Good solubility in hydroalcoholic and aqueous systems |
| pH | Near-neutral (recommended for formulation) |
| Packaging | 25 kg drums; 40 drums/pallet |
| Shelf Life | 24 months (from production date, sealed) |
Application Matrix
| Application | Suitability | Notes |
|---|---|---|
| Male vitality and libido supplements | Excellent | Nitric oxide-mediated blood flow; PDE5 inhibition |
| Pre-workout and athletic performance | Excellent | Vascular dilation; muscle pump; endurance |
| Bone health and osteoblast support | Excellent | Osteoblast stimulation; relevant for aging populations |
| HPA axis and stress adaptogens | Excellent | Hormonal balance; energy support for men and women |
| Cognitive health and neuroprotection | Good | Antioxidant; anti-inflammatory; brain aging support |
| Libido and fertility blends | Excellent | Synergistic with ashwagandha, tongkat ali |
MICROBIOLOGICAL & CONTAMINANT STANDARDS
| Test | Specification |
|---|---|
| Total Plate Count | ≤10,000 cfu/g |
| Yeast & Mould | ≤100 cfu/g |
| E. coli | Negative / g |
| Salmonella | Negative / 25g |
| Heavy Metals (Pb) | <0.5 mg/kg |
| Heavy Metals (Cd) | <0.1 mg/kg |
| Heavy Metals (Hg) | <0.1 mg/kg |
| Heavy Metals (As) | <0.5 mg/kg |
| Pesticide Residues | Below EU ML / USDA-NOP limits |
| Aflatoxins | Below EFSA limits |
| Solvent Residues | Compliant with organic standards |
All batches tested by ICP-MS for heavy metals. CofA available with every shipment.
CERTIFICATIONS
| Certification | Status |
|---|---|
| USDA / NOP Organic | Yes |
| Non-GMO Project Verified | Yes |
| Kosher | Available |
| Halal | Available |
| Vegan | Yes |
| Gluten-Free | Yes |
| ISO 22000 | Yes |
| GMP | Yes |
APPLICATIONS & FORMULATION TIPS
Key Functional Benefits
Organic Epimedium Extract’s three most significant functional advantages are nitric oxide-mediated vascular dilation, broad-spectrum flavonoid activity, and bone health positioning. The nitric oxide mechanism — driven by icariin’s PDE5 inhibitory activity — is the primary differentiator: enhanced endothelial NO release improves blood flow across multiple organ systems, supporting male vitality, athletic performance (muscle pump and endurance), and general cardiovascular health from a single mechanism. The full-spectrum flavonoid content — including icariin, epimedin A, B, and C — provides multi-pathway benefits beyond PDE5 inhibition: antioxidant, anti-inflammatory, neuroprotective, and osteoblast-stimulating effects are attributed to different compounds within the extract, making epimedium a versatile botanical for comprehensive vitality formulations. The bone health positioning — icariin stimulating osteoblast activity while inhibiting osteoclasts — addresses a large and growing market of aging consumers seeking natural alternatives to pharmaceutical interventions for bone density maintenance.
Formulation Guidance
When formulating with epimedium extract, note the following: the slightly bitter and astringent herbal taste is best masked with cocoa powder, chocolate, or citrus flavors such as organic lemon juice powder. Maintaining a near-neutral pH in the finished formulation preserves the icariin and epimedin flavonoid structure and prevents degradation over shelf life. For 10% extract grades, typical serving sizes are 250–500 mg per day; 40% extracts allow smaller capsule sizes for concentrated formulations and ingredient stacking. Synergistic combinations include: with organic hemp protein for athletic formulas, with ashwagandha or rhodiola for adaptogen stacks, with tongkat ali for male vitality blends, and with calcium and vitamin D3 for bone health products. Epimedium’s effects on hormonal pathways mean it is typically used in cyclical protocols (e.g., 8 weeks on, 2 weeks off) rather than continuous daily use at high doses; however, it is considered safe as part of a balanced daily supplement regimen at recommended doses.
FAQ
Q: How do you achieve high icariin content while maintaining organic certification?
A: We use a proprietary water-ethanol extraction process that uses only water and organically certified ethanol — strictly avoiding synthetic solvents such as hexane. This organic-compliant extraction method is optimized through controlled temperature, solvent ratio, and extraction time parameters to maximize icariin yield from organic epimedium leaves while preserving the full flavonoid spectrum including epimedin A, B, and C. The extraction process is validated for consistency across batches, and icariin content is verified by HPLC on every production batch.
Q: What is the difference between 10%, 20%, and 40% icariin extract grades?
A: The 10% extract grade is suitable for general wellness and formulation stacking — it provides meaningful bioactive levels at typical 250–500 mg daily servings while leaving capsule space for additional ingredients. The 20% grade offers a mid-range concentration for consumers seeking stronger potency in smaller capsule sizes. The 40% extract is a high-concentration isolate-grade for therapeutic formulations where maximum potency in minimal volume is required, such as professional-grade or prescription-adjacent supplement products. All grades maintain the complete flavonoid spectrum of the whole extract; the standardization refers specifically to icariin concentration.
Q: Is long-term use of epimedium safe?
A: Epimedium has a documented history of safe use in traditional Chinese medicine spanning over 2,000 years. At recommended doses (250–500 mg/day of 10% extract), it is considered safe for most adults. Due to its activity on hormonal and PDE5 pathways, it is commonly used in cyclical protocols (e.g., 8 weeks on, 2 weeks off) rather than continuous high-dose use. We recommend consulting a healthcare professional before use, particularly for individuals with cardiovascular conditions, hormonal disorders, or those taking PDE5-inhibiting medications or blood thinners. It is not recommended during pregnancy or lactation.
Q: How does epimedium support athletic performance?
A: Epimedium supports athletic performance primarily through nitric oxide (NO)-mediated vasodilation: icariin inhibits PDE5 in vascular endothelial cells, preventing the breakdown of cyclic GMP (cGMP), which leads to smooth muscle relaxation, vasodilation, and increased blood flow to working muscles. This results in improved “muscle pump” during training, enhanced oxygen and nutrient delivery, better endurance, and faster recovery. The adaptogenic properties — supporting the HPA axis and stress response — additionally contribute to energy levels and recovery capacity. Combined with its bone health benefits, epimedium is particularly relevant for athletes engaged in high-impact training where skeletal integrity is also a concern.
Q: Does epimedium affect testosterone levels?
A: Traditional and contemporary research suggests epimedium may support testosterone-related pathways through several mechanisms: direct support of Leydig cell function in the testes, inhibition of aromatase (which converts testosterone to estrogen), and adaptogenic reduction of stress-induced cortisol (which suppresses testosterone production). However, the primary and most well-documented mechanism of icariin is nitric oxide-mediated blood flow rather than direct testosterone elevation. For products targeting male hormonal optimization, epimedium is most effective as part of a comprehensive formulation that may include other adaptogens such as tongkat ali or fenugreek extract.
Q: What are your minimum order quantities and shipping options?
A: We offer 1 kg free samples via FedEx, UPS, or EMS for quality verification. Standard bulk orders start at 25 kg with private label orders at 100 kg minimum. For custom icariin specifications (e.g., non-standard concentrations or particle sizes), please contact our sales team. Production lead time is typically 10–20 working days from order confirmation. We ship from Qingdao or Tianjin ports and accept payment via T/T, L/C, D/P, D/A, MoneyGram, Western Union, or Credit Card. Documentation including CofA with icariin content by HPLC, organic certificate, non-GMO certificate, heavy metals ICP-MS report, MSDS, and TDS is provided with every shipment.
PACKAGING & STORAGE
Packaging
| Format | Standard Packaging | Custom Options |
|---|---|---|
| Epimedium Extract Powder | 25 kg drums; 40 drums/pallet (40 × 40 × 60 cm) | 1 / 5 / 10 / 20 kg bags; customized packaging; branded packaging for private label |
Storage Conditions
| Parameter | Value |
|---|---|
| Temperature | Cool and dry place; ≤25°C recommended |
| Humidity | Low humidity; sealed packaging |
| Light | Away from direct sunlight (protects flavonoid integrity) |
| Odor | Away from strong odors |
| pH Stability | Near-neutral pH recommended in finished formulations |
| Shelf Life (sealed) | 24 months |
| Opened Packaging | Reseal tightly after opening; use within 6 months |