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

What is Grass Pollen Extract?

Like the more famous saw palmetto, extracts of grass pollen are used to treat prostate enlargement. The grass mixture utilized to make this preparation consists of 92% rye, 5% timothy, and 3% corn. 1 Grass pollen has also been investigated for its potential to treat prostatitis , prostate cancer, symptoms of menopause and PMS, and for reducing cholesterol.

Related grass pollen extracts are used for allergy shots. The grass pollen extracts described here have their allergenic component removed, and so can't possibly work to treat hay fever (see Safety Issues below). Grass pollen is also an entirely different product than bee pollen .

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). 2 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 . 3 Another small double-blind study found benefit with the same combination for treatment of menopausal symptoms . 4

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. 5 Grass pollen has additionally been...

Safety Issues

No serious side effects have been reported with the use of grass pollen extract. No adverse reactions were observed in any of the clinical trials discussed above, although one review author mentioned rare reports of stomach upset and skin rash. 6 Although many people are allergic to grass pollen, the grass pollen products discussed in this article are processed to remove allergenic proteins. 7 For this reason, it is unlikely that grass-allergic individuals will have an allergic reaction.

Maximum safe doses for young children, pregnant or nursing women, or those with liver or kidney disease are not known.