Nettle Root (Urtica dioica rad): The Prostate Herb

Nettle Root — the underground rhizome of Urtica dioica — has an entirely distinct clinical profile from the leaf, with a specific and well-evidenced application in benign prostatic hyperplasia (BPH) — the age-related enlargement of the prostate gland that affects the majority of men over 50. While Nettle Leaf is primarily a nutritive and anti-allergy herb, Nettle Root contains different phytochemical compounds that interact directly with hormonal pathways relevant to prostate health.

At Herba Naturalle, Nettle Root is listed separately from Nettle Leaf in the comprehensive herb index — a clinically important distinction. It complements the Gokshura Ashwagandha Plus for comprehensive male health support, and is relevant to the Stop the Inflammation Pandemic: Inflammation in the Male Reproductive System framework.

Active Compounds

Lignans — particularly (+)-neo-olivil; bind to sex hormone-binding globulin (SHBG), reducing the binding capacity for dihydrotestosterone (DHT) and oestrogen, affecting the hormonal signalling relevant to prostate growth
Phenylpropanes — with anti-inflammatory and 5-alpha-reductase inhibiting activity (the enzyme that converts testosterone to DHT)
Sterols — beta-sitosterol; with documented benefit in BPH symptoms
Polysaccharides — immune-modulating and anti-inflammatory
Lectins — with additional anti-inflammatory properties

Clinical Evidence

Multiple randomised controlled trials demonstrate that Nettle Root extract significantly improves urinary symptoms in BPH — reducing nocturia (night-time urination), improving urinary flow rate, and reducing residual urine volume. Combination trials with Saw Palmetto show enhanced effects, and Nettle Root is included in numerous approved BPH phytotherapy products across Europe, particularly Germany.

Clinical Applications

Benign Prostatic Hyperplasia (BPH)

The primary and best-evidenced application. The mechanism involves multiple simultaneous pathways:

Reducing 5-alpha-reductase activity (less DHT conversion)
Binding to SHBG, modulating free hormone availability
Anti-inflammatory action reducing prostatic tissue inflammation
Reducing the binding of DHT to prostate cell receptors

Symptoms improved include urinary frequency, nocturia, weak stream, and incomplete emptying.

Urinary Tract Symptoms

Beyond BPH specifically, Nettle Root provides general urinary tract anti-inflammatory support — complementing the Cornsilk Plus and Couch Grass Complex.

Joint Health

Like the leaf, Nettle Root has anti-inflammatory properties relevant to joint conditions — complementing the Inflammation in Muscles and Joints framework.

Relevant Blog Posts

How to Use

Standardised extract: 360–600mg daily — the dose used in most clinical trials
Tincture (1:3): 3–5ml twice daily
Allow 4–8 weeks for symptomatic improvement

Safety

Excellent safety profile
Anticoagulants: Mild theoretical interaction
PSA testing: Discuss herbal use with your GP before PSA testing as some studies suggest possible minor influence

Contact Herba Naturalle for prostate and male health herbal support. Browse all products and the full herb index.

This article is for informational purposes only. Please see your GP for any new urinary symptoms, particularly to exclude other causes.