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Leiber GmbH

49565 Bramsche

Leiber GmbH specializes in processing brewers’ yeast products. The product portfolio offers a number of different product solutions. Our Yestimun® Beta-Glucan is a natural and effective high quality immune supporting ingredient made from brewers’ yeast. The high quality raw material brewers’ yeast is the source for our natural ingredient without additives. Due to the high purity of the beta-glucan structure, it has an excellent recognition by immune cells. This is proven by the results of several clinical studies. Please visit our website to get more information about Yestimun® and our studies.


  • Yestimun® Beta-Glucan
Leiber® Savoury | Leiber - Excellence in Yeast

Leiber® Savoury

Leiber® Viande | Leiber - Excellence in Yeast

Leiber® Viande

Leiber® Aromor | Leiber - Excellence in Yeast

Leiber® Aromor

Leiber® Seasonings | Leiber - Excellence in Yeast

Leiber® Seasoning

Leiber® Asada | Leiber - Excellence in Yeast

Leiber® Asada

Leiber® Bouillon | Leiber - Excellence in Yeast

Leiber® Bouillon