About Horny Goat Weed Capsules
Our Horny Goat Weed Extract delivers 50% icariin from Epimedium brevicornum, providing targeted support for blood flow and cardiovascular function. This concentrated extract acts as a selective PDE-5 inhibitor, promoting healthy circulation while supporting testosterone levels and overall vitality.
Our Horny Goat Weed Story
We developed this highly concentrated 50% icariin extract to address a specific gap in the market. Most horny goat weed supplements provide low-potency extracts with minimal standardization, so we created a targeted formula that maximizes icariin's blood flow benefits without the complex array of secondary compounds that can muddy the experience.
Extensive beta-testing revealed that concentrating icariin to 50% produces a remarkably "clean" effect profile compared to lower-concentration extracts. Concentrating icariin allows us to harness its precise PDE-5 inhibition mechanism, delivering consistent blood flow support that makes an excellent addition to various supplement stacks or as a standalone daily supplement for those seeking targeted cardiovascular benefits.
Benefits
- Promotes Bone Health: Icariin supports bone strength and density by promoting osteoblast activity and helping maintain healthy calcium levels within bone tissue.
- Promotes Cardiovascular Function: The 50% icariin extract supports heart health by promoting healthy circulation and helping maintain blood pressure levels already within the normal range.
- Supports Neuroprotection: Icariin helps protect nerve cells from oxidative stress and supports healthy neural function, contributing to cognitive health and mental clarity.
- Inhibits PDE-5: This selective enzyme inhibition promotes enhanced blood flow, particularly to peripheral tissues, supporting healthy circulation and physical performance.
Horny goat weed also supports healthy hormone balance by promoting testosterone levels in both men and women. This hormonal support contributes to improved mood, energy levels, and overall sense of wellbeing, making it a valuable addition to any vitality-focused supplement regimen.
Quality and Standardization
- Standardized Extraction: Our Horny Goat Weed Extract is precisely standardized to contain a minimum of 50% icariin by HPLC, ensuring consistent potency and reliable bioactive compound delivery in every capsule.
- Selective Concentration Process: We employ advanced extraction techniques to concentrate icariin to 50%, creating a cleaner, more targeted supplement compared to lower-concentration extracts that contain numerous auxiliary compounds.
- Third-Party Verification: Every batch undergoes comprehensive third-party testing for identity confirmation, purity verification, and potency validation to ensure pharmaceutical-grade quality standards.
- Premium Raw Material Sourcing: We source high-quality Epimedium brevicornum aerial parts and process them using controlled extraction parameters to maintain the integrity of the active flavonoid compounds.
Mechanism of Action
- PDE-5 Enzyme Inhibition: Icariin acts as a selective phosphodiesterase-5 inhibitor, blocking the enzyme responsible for breaking down cyclic guanosine monophosphate (cGMP) in smooth muscle tissue. This inhibition allows cGMP levels to remain elevated, promoting vasodilation and enhanced blood flow throughout the circulatory system.
- Testosterone Signaling Support: The flavonoid works through multiple pathways to support healthy testosterone production, including potential effects on luteinizing hormone signaling and testicular steroidogenesis pathways that regulate androgen synthesis.
- Nitric Oxide Pathway Enhancement: Icariin promotes nitric oxide bioavailability by supporting endothelial nitric oxide synthase (eNOS) activity, which contributes to improved vascular function and healthy circulation patterns.
- Calcium Channel Modulation: The compound influences calcium ion channels in vascular smooth muscle, helping regulate muscle contraction and relaxation cycles that are essential for optimal blood vessel function and tissue perfusion.

Overview of the Science
Research demonstrates that icariin functions as a selective phosphodiesterase-5 (PDE-5) inhibitor, with studies showing significant enzyme inhibition activity [1]. This selective inhibition mechanism promotes enhanced circulation by preventing the breakdown of cyclic guanosine monophosphate (cGMP), a crucial signaling molecule that regulates smooth muscle relaxation in blood vessels [2]. Additionally, research indicates that icariin may support healthy testosterone levels through its effects on steroidogenesis, with animal studies demonstrating increased testosterone production following supplementation [3][4].
Clinical investigations have revealed that icariin exhibits protective effects on cardiovascular tissue, particularly through its antioxidant properties and ability to support endothelial function [5]. Research suggests that icariin may help protect against oxidative damage to blood vessels while promoting healthy nitric oxide signaling pathways [6]. Studies also indicate that the compound may support sexual function through multiple mechanisms, including enhanced penile tissue strength and improved blood flow dynamics via the PI3K/AKT/eNOS pathway [7].
[1] Xin ZC, Kim EK, Tian ZJ, Lin GT, Guo YL. Effects of icariin on cGMP-specific PDE5 and cAMP-specific PDE4 activities. BJU Int. 2003;92:631-5.
[2] Shindel AW, Xin ZC, Lin G, Fandel TM, Huang YC, Banie L, Breyer BN, Garcia MM, Lin CS, Lue TF. Erectogenic and neurotrophic effects of icariin, a purified extract of horny goat weed (Epimedium spp.) in vitro and in vivo. J Sex Med. 2010;7:1518-1528.
[3] Zhang ZB, Yang QT. The testosterone mimetic properties of icariin. Asian J Androl. 2006;8:601-5.
[4] Chen M, Hao J, Yang Q, Li G. Effects of icariin on reproductive functions in male rats. Molecules. 2014;19:9502-9514.
[5] Wang YK, Huang ZQ. Protective effects of icariin on human umbilical vein endothelial cell injury induced by H2O2 in vitro. Pharmacol Res. 2005;52:174-82.
[6] Zhai M, He L, Ju X, Li G, Zhang Y, Liu Y, Zhao H. Icariin acts as a potential agent for preventing cardiac ischemia/reperfusion injury. Cell Biochem Biophys. 2015;72:589-597.
[7] Xu SB, Zhang YQ, Lian DJ, Wang YJ, Chen XM. Icariin improves the sexual function of male mice through the PI3K/AKT/eNOS/NO signalling pathway. Andrologia. 2018;50:e12802.
Click here to read the Research SnapshotIngredients
Horny Goat Weed Extract:
- Epimedium brevicornum aerial parts extract
- Standardized to minimum 50% icariin by HPLC
- 200mg per capsule
This highly concentrated 50% icariin standardization represents a significant potency advancement over standard horny goat weed extracts. The HPLC standardization ensures precise measurement of the primary bioactive compound responsible for horny goat weed's effects on blood circulation and vitality supplements. The concentrated nature of this extract delivers more targeted effects compared to lower-potency extracts, providing reliable dosing of the key flavonoid compound that drives horny goat weed's bone health supplements and cardiovascular support properties.
