Horny Goat Weed
The circulation component of the Horsewood formula, and the one that most deserves a conversation with a pharmacist first.

Horny Goat Weed in the Horsewood Formula
The circulation component of the Horsewood formula, and the one that most deserves a conversation with a pharmacist first.
About Horny Goat Weed in Horsewood
What Horny Goat Weed Is
Horny goat weed (Epimedium sagittatum) is a plant long used in traditional Chinese medicine. The compound researchers focus on is icariin.
Why Horny Goat Weed Is in Horsewood
The seller describes it as the accelerator of the formula, included to support healthy circulation and blood flow for stamina and physical confidence.
Circulation is genuinely central to what men look for in this category. Blood flow determines how oxygen and nutrients reach working muscle, which in turn affects endurance and recovery.
The Horsewood Label Amount
The panel lists 8 mg of a 10:1 extract, which the label states is equivalent to approximately 80 mg of dried plant.
That is the smallest single figure in the formula. We would rather you knew that up front than discovered it later, and it is a fair thing to weigh when setting your expectations.
Check with a doctor or pharmacist first if
- You take nitrate medication for chest pain or angina
- You take blood pressure medication
- You take a blood thinner such as warfarin
- You have a heart condition of any kind
This is a free five-minute conversation at any pharmacy counter, and it is the sensible step before starting any product containing this ingredient.
What the Research Looks At
Icariin has been studied in relation to circulation and blood vessel function. The reference site links to the PubMed index on icariin and circulation, which is a reasonable starting point.
An honest caveat: much of the work on icariin is laboratory or animal research, and human trials on the whole plant are considerably thinner than the marketing across this category implies.
Practical Notes
- May affect blood clotting — mention it alongside any blood thinner.
- Avoid without medical advice if you have a hormone-sensitive condition.
- Dizziness, dry mouth and a fast heartbeat have been reported at higher amounts than this formula contains.
How It Fits the Horsewood Formula
It is the only component addressing circulation directly, working alongside Tongkat Ali on the energy side. See the Horsewood benefits page for the wider picture.
Further reading
The Other Horsewood Ingredients
Start Your Horsewood Routine
Two capsules a day, seven herbs and minerals, and 60 days to decide. Horsewood is designed to support a healthy lifestyle rather than replace one.
From $49 per bottle on the 6-bottle package, with free shipping.