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Grass Pollen Extract
What is it? Overview Usage Side Effects and Warnings

Grass Pollen Extract Usage

Written by FoundHealth.

Therapeutic Uses

Two double-blind, placebo-controlled studies found that grass pollen extract can help reduce symptoms of benign prostate enlargement (technically called benign prostatic hyperplasia, or BPH). 1 One small, double-blind study found evidence that a product containing grass pollen, the pistils (seed-bearing parts) of grass, and royal jelly (a product made by bees) may be helpful for PMS . 2 Another small double-blind study found benefit with the same combination for treatment of menopausal symptoms . 3

Grass pollen extract has also shown promise for treating prostatitis . In a six-month, double-blind study of 60 men with non-bacterial prostatitis, use of the grass pollen extract was more effective than placebo in relieving symptoms. 4 Grass pollen has additionally been investigated for its usefulness in treating (inflammation or infection of the prostate), prostate cancer, 5 and high cholesterol . 6 Animal studies also suggest that it may protect the liver from damage by some types of poisons. 7 However, the scientific evidence for all of these other proposed uses remains very weak.


  1. Buck AC, Cox R, Rees RWM, et al. Treatment of outflow tract obstruction due to benign prostatic hyperplasia with the pollen extract, Cernilton: A double-blind, placebo-controlled study. Br J Urol. 1990;66:398–404.
  2. Winther K, Hedman C. Assessment of the effects of the herbal remedy Femal on the symptoms of premenstrual syndrome: a randomized, double-blind, placebo-controlled study. Curr Ther Res Clin Exp. 2002;63:344–353.
  3. Winther K, Rein E, Hedman C. Femal, a herbal remedy made from pollen extracts, reduces hot flushes and improves quality of life in menopausal women: a randomized, placebo-controlled, parallel study. Climacteric. 8(2):162-70.
  4. Elist J. Effects of pollen extract preparation Prostat/Poltit on lower urinary tract symptoms in patients with chronic nonbacterial prostatitis/chronic pelvic pain syndrome: a randomized, double-blind, placebo-controlled study. Urology. 67(1):60-3.
  5. Habib FK, Ross M, Buck AC, Ebeling L, Lewenstein A. In vitro evaluation of the pollen extract, cernitin T-60, in the regulation of prostate cell growth. Br J Urol. 66(4):393-7.
  6. Wójcicki J, Samochowiec L, Bartłomowicz B, Hinek A, Jaworska M, Gawrońska-Szklarz B. Effect of pollen extract on the development of experimental atherosclerosis in rabbits. Atherosclerosis. 62(1):39-45.
  7. Juzwiak S. Experimental evaluation of the effect of pollen extract on the course of paracetamol poisoning [in Polish; English abstract]. Ann Acad Med Stetin. 1993;39:57–69.


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