NRTC-103

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Rosa Canina, Urtica Dioica, Tanacetum Vulgare Herbal Extract Capsules

NRTC-103™ is a dietary supplement formulated to match the original "Neurotec" Rosa canina, Urtica dioica, and Tanaceum vulgare herbal combination capsules.

AS SEEN IN THE RESEARCH — Examples of peer-reviewed scientific journal articles that mention Rosa canina, Urtica dioica, and Tanacetum vulgare combined herbal extracts:

Therapeutic effects of Rosa canina, Urtica dioica and Tanacetum vulgare herbal combination in treatment of tinnitus symptoms: A double-blind randomised clinical trial

"We found that a three-month treatment with Neurotec [NRTC-103] beside baseline conservative treatments, significantly decreased scores of tinnitus loudness, annoyance severity, daily life alteration, sleep disturbance, daily tinnitus perception and mood disturbance in the intervention group."

https://doi.org/10.1111/coa.13989

References

Khosravi MH, Atefi A, Mehri A, et al. Therapeutic effects of Rosa canina, Urtica dioica and Tanacetum vulgare herbal combination in treatment of tinnitus symptoms: A double-blind randomised clinical trial. Clin Otolaryngol. 2023;48(2):151-157. doi:10.1111/coa.13989

Li P, Che C, Wu Y, Sun S. Pharmacotherapy options for the management of subjective tinnitus: a systematic review and network meta-analysis. BMJ Open. 2025;15(5):e096995. Published 2025 May 28. doi:10.1136/bmjopen-2024-096995

Kim SH, Kim I, Kim H. Easing the Burden of Tinnitus: A Narrative Review for Exploring Effective Pharmacological Strategies. Cureus. 2024;16(2):e54861. Published 2024 Feb 25. doi:10.7759/cureus.54861

Semwal P, Rauf A, Olatunde A, et al. The medicinal chemistry of Urtica dioica L.: from preliminary evidence to clinical studies supporting its neuroprotective activity. Nat Prod Bioprospect. 2023;13(1):16. Published 2023 May 12. doi:10.1007/s13659-023-00380-5

Sherlock LP, Ballard-Hernandez J, Boudin-George A, et al. Clinical Practice Guideline for Management of Tinnitus: Recommendations From the US VA/DOD Clinical Practice Guideline Work Group. JAMA Otolaryngol Head Neck Surg. 2025;151(5):513-520. doi:10.1001/jamaoto.2025.0052

Product Label

Ingredients

Tansy (Tanacetum vulgare L.)
https://dsld.od.nih.gov/ingredient/Tansy

Stinging Nettle (Urtica dioica L.)
https://dsld.od.nih.gov/ingredient/Stinging+Nettle

Rose Hips (Rosa canina L.)
https://dsld.od.nih.gov/ingredient/Rose+Hip

Other Ingredients: Lactose monohydrate (dairy), Corn starch, Talc, Gelatin

Quality Control

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 or medical condition.

NRTC-103™ is a trademark owned by Urgent Research LLC.

Last updated: September 26, 2025