Stinging Nettle Extract (10:1) — 750mg Capsules (7,500mg Raw Root Equivalent)
By Jessica Johnson, Herbal Science Researcher at Real Herbs | Updated: July 2026 | Reading time: 7 minutes
Key takeaway: A 750mg capsule of 10:1 extract is mathematically equivalent to 7,500mg of raw root, that math is simple and correct. What's less certain is how directly that number maps onto the clinical trials, since the specific extraction ratios used in those trials aren't consistently confirmed at exactly 10:1. The raw root equivalent is a useful way to understand concentration, not a guarantee of matching any single trial's exact potency.
Understanding True Herbal Potency
When shopping for supplements, you'll run into numbers that can be confusing: milligrams, concentration ratios, and equivalent amounts. These numbers matter, they tell you how concentrated your supplement actually is (PMID 17509841, PMID 7700987).
A 750mg stinging nettle root extract standardized to a 10:1 concentration ratio is one of the more concentrated forms on the market. This article breaks down what those numbers actually mean.
1. Decoding the 10:1 Concentration Ratio
The concentration ratio, often labeled DER (drug-to-extract ratio), is the key indicator of how concentrated an extract is. It tells you how much raw plant material went into the final product.
- The raw material: The starting point is raw stinging nettle root (PMID 39861633), containing lignans, phytosterols, and lectins (PMID 35800714, PMID 39861633).
- The extraction process: Raw root is processed using solvents to remove fiber and bulk, concentrating the compounds of interest (PMID 7700987).
- The final product: A 10:1 ratio means 10 parts raw root were used to produce 1 part finished extract.
In short: 10 pounds of raw root yields roughly 1 pound of 10:1 extract. This matters because the compounds most studied in root research are present in the raw plant at lower concentrations than a standardized extract delivers.
2. Calculating the Raw Root Equivalent
The "raw root equivalent" translates the label's potency into a comparative number.
| Label Metric | Calculation | Result |
|---|---|---|
| Capsule dosage | 750mg of 10:1 extract | 750mg |
| Concentration ratio | 10 to 1 | 10x concentration |
| Raw root equivalent | 750mg × 10 | 7,500mg (7.5g) |
A single 750mg 10:1 capsule is mathematically equivalent to 7,500mg (7.5g) of dried, raw nettle root, simple multiplication, not a claim about clinical effect. This is a meaningfully more concentrated form than low-ratio extracts or plain dried powder capsules.
3. How This Relates to Clinical Research
It's worth being precise here rather than implying a cleaner match than actually exists. Clinical trials showing BPH symptom improvement have used concentrated root extracts, not raw powder (PMC3589769, PMID 15045190). A well-known German multicenter trial used 459mg per day of dry root extract over 12 months in 246 patients (PMID 15045190). Reported extraction ratios across the nettle root literature vary by study, generally described in a range rather than a single fixed number, so it isn't possible to say with confidence that any specific trial used exactly a 10:1 ratio. A 10:1 product is a reasonable, high-concentration choice consistent with the general direction of this research, without being a guaranteed exact match to any one study's specific extract.
- Anti-inflammatory activity: Concentrated lipophilic extracts have shown potent anti-inflammatory activity in laboratory research (PMID 23092723).
- SHBG modulation: Compounds that interact with sex hormone-binding globulin (SHBG), relevant to free testosterone levels, are concentrated through extraction (PMID 7700987).
- Animal research: Concentrated root extract has shown inhibiting effects on experimentally induced prostatic hyperplasia in mice (PMID 9270373), and a separate human trial using root extract reported improvements in clinical and biochemical BPH parameters (PMID 32981268).
4. Why Choose a High-Concentration Extract?
- Reliable dosing: Extracts reduce the natural variability found in raw herbs, giving a more consistent dose of key compounds per capsule.
- Targeted compounds: Extraction concentrates lipophilic compounds like phytosterols, which are poorly water-soluble and are the focus of most root-specific research (PMID 35800714).
- Fewer capsules: Rather than consuming many capsules of raw powder to reach a comparable raw-material amount, a concentrated extract delivers more in a single capsule.
Frequently Asked Questions
Does 7,500mg raw root equivalent mean this product is stronger than the clinical trials?
Not necessarily in a directly comparable way. The 7,500mg figure describes how much raw root went into making the extract, not a guaranteed match to any specific trial's tested dose or extraction method. Trials generally used doses in the 300-600mg range of their own extracts, prepared with their own specific methods.
Is a higher DER ratio (like 10:1 vs 4:1) always better?
Not automatically. A higher ratio means more raw material went into each unit of extract, but what matters most is the actual milligram dose of standardized extract you're taking, and whether that aligns with amounts used in research, not the ratio number by itself.
Choose a Clearly Labeled, Concentrated Extract
Real Herbs Stinging Nettle Root Extract delivers 750mg of 10:1 root extract per capsule, 100 vegetarian capsules per bottle. Suggested use: take 1-2 capsules daily with a meal, or as directed by your healthcare provider.
Shop Stinging Nettle Root Extract
Backed by our 30-Day Money-Back Guarantee.
Related Articles
- How Nettle Extract Supports Prostate Health
- Stinging Nettle Root: A Look at its Antioxidant and Nutrient Profile
- Stinging Nettle Root for Men Over 40: Why It's a Must-Have
Clinical References
- Chrubasik JE, Roufogalis BD, Wagner H, Chrubasik S. A comprehensive review on the stinging nettle effect and efficacy profiles. Part II: urticae radix. Phytomedicine. 2007 Aug;14(7-8):568-79. PMID 17509841
- Bhusal KK, Magar SK, Thapa R, et al. Nutritional and pharmacological importance of stinging nettle (Urtica dioica L.): A review. Heliyon. 2022 Jun 22;8(6):e09717. PMID 35800714
- Hryb DJ, Khan MS, Romas NA, Rosner W. The effect of extracts of the roots of the stinging nettle (Urtica dioica) on the interaction of SHBG with its receptor on human prostatic membranes. Planta Med. 1995 Feb;61(1):31-32. PMID 7700987
- Martz F, Kankaanpää S. Stinging Nettle (Urtica dioica) Roots: The Power Underground - A Review. Plants (Basel). 2025 Jan 19;14(2):279. PMID 39861633
- Johnson TA, Sohn J, Inman WD, Bjeldanes LF, Rayburn K. Lipophilic stinging nettle extracts possess potent anti-inflammatory activity, are not cytotoxic and may be superior to traditional tinctures for treating inflammatory disorders. Phytomedicine. 2013 Jan;20(2):143-7. PMID 23092723
- Lichius JJ, Muth C. The inhibiting effects of Urtica dioica root extracts on experimentally induced prostatic hyperplasia in the mouse. Planta Med. 1997 Aug;63(4):307-310. PMID 9270373
- Karami AA, Sheikhsoleimani M, Memarzadeh MR, Haddadi E, Bakhshpour M, Mohammadi N, Mirhashemi SM. Urtica Dioica Root Extract on Clinical and Biochemical Parameters in Patients with Benign Prostatic Hyperplasia, Randomized Controlled Trial. Pak J Biol Sci. 2020;23:1338-1344. PMID 32981268
- Ghorbanibirgani A, Khalili A, Zamani L. The Efficacy of Stinging Nettle (Urtica dioica) in Patients with Benign Prostatic Hyperplasia: A Randomized Double-Blind Study in 100 Patients. Iran Red Crescent Med J. 2013 Jan;15(1):9-10. PMC3589769
- Schneider T, Rübben H. Stinging nettle root extract (Bazoton-uno) in long term treatment of benign prostatic syndrome (BPS). Results of a randomized, double-blind, placebo controlled multicenter study after 12 months. Urologe A. 2004 Mar;43(3):302-306. PMID 15045190
Disclaimer: The information provided in this article is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before making any decisions about your health or starting any new supplement regimen. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
© 2026 Real Herbs. All rights reserved.
