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Herb

Stinging Nettle Root

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Stinging Nettle Root. Herbal for BPH and SHBG modulation, often paired with saw palmetto.

How it works. Beta-sitosterol and lectins; may inhibit SHBG-DHT binding.

What the research supports. 1 graded claims. Strongest: Improves BPH urinary flow (moderate).

How much to take. Typical dose: 300–600 mg standardized.

Side effects and interactions. 1 medication interaction listed. No serious side effects listed at normal doses.

Stacking. Pairs well with A high-quality multivitamin, Omega-3 (EPA/DHA).

Common forms. Available as Standardized extract.

Key studies. 8 studies cited. The strongest are listed with links to PubMed.

Community. Experiences from people who have tried Stinging Nettle Root. Anecdotes are not medical advice.

Stinging Nettle Root. Herbal for BPH and SHBG modulation, often paired with saw palmetto.

Key compound: beta-sitosterolC29H50O · 414.7 g/mol

What it is

Herbal for BPH and SHBG modulation, often paired with saw palmetto.

Also called

Urtica dioica

Food sources

Urtica dioica root

Goals

How it works

Beta-sitosterol and lectins; may inhibit SHBG-DHT binding.

Pathways

  • SHBG modulation

Effects

  • ↓BPH symptoms decreases

What the research supports

Improves BPH urinary flowmoderate

Strong: consistent results across large trials or meta-analyses. Moderate: several trials, mostly positive. Limited: small or mixed studies. Preclinical: animal or cell research only.

Typical dose
300–600 mg standardized
TimingConsistent daily timing recommended; split larger doses if GI tolerance is a concern.
With foodEither with or without food.
Best formMost evidence is based on the standardized extract form.
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Side effects & interactions

Common side effects

  • GI upset

Medication interactions

Antihypertensives / antidiabeticsminor

Additive.

Check any supplement–medication combination with your pharmacist before starting.

Combines with

Pairs well

  • A high-quality multivitaminCovers micronutrient cofactors that support most supplement pathways.
  • Omega-3 (EPA/DHA)Foundational anti-inflammatory support that complements most regimens.

Common forms

  • Standardized extract

Key studies

8 studies cited in total.

PubMed: Stinging Nettle Root — Improves BPH urinary flow ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Stinging Nettle Root and "Improves BPH urinary flow". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Stinging Nettle Root — randomized controlled trial ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Stinging Nettle Root and "randomized controlled trial". Filter by RCT, meta-analysis, or year on the results page.

PubMed: Stinging Nettle Root — meta-analysis ↗
Systematic review · PubMed (NLM) · 2026

Opens current human and preclinical literature matching Stinging Nettle Root and "meta-analysis". Filter by RCT, meta-analysis, or year on the results page.

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