At Leiber, brewers’ yeast is refined using state-of-the-art processes, some of which were developed in-house, and inactivated in the process. Leiber® Brewers’ Yeast is rich in many bioavailable active ingredients and nutrients such as proteins, amino acids, B vitamins, and trace elements. Leiber® Brewers’ Yeast is a "real" brewers’ yeast!
LeiberYeaFi® is a unique synergy of inactive brewers’ yeast with high fibre and dietary valuable, functional fibres. Brewers’ yeast is rich in bioavailable active ingredients and nutrients such as proteins, amino acids, B vitamins, minerals, and trace elements.
Every second (56%) uses yeast in horse feeding (* Survey of the Osnabrück University, 2023, a total of 457 persons were interviewed).
*Pruß C, Severit M, Westkamp B, et al. (2023): The level of knowledge of end users on yeast in horse feeding; Osnabrück University of Applied Sciences, Faculty of Agricultural Sciences; Poster Session at the International Network Equine Science in Switzerland.

Whether muesli, mash, or special feed – Leiber® Brewers’ Yeast products are often already included! Take a look at the declaration of your horse feed, mineral feed, vitamin, herbal and special supplements, as well as treats – brewers’ yeast and spent grains are often already mentioned in the composition.

We have been a reliable supplier of quality products for many horse feed manufacturers since 1954. Depending on the content in the final product, brewers’ yeast and/or spent grains are listed in descending order in the composition.

A tried and tested feed with a long tradition in horse feeding! Leiber® Brewers’ Yeast is rich in many bioavailable active ingredients and nutrients such as proteins, amino acids, B vitamins, and trace elements. Leiber® Brewers’ Yeast is a genuine brewers’ yeast.

LeiberYeaFi® is a unique synergy of inactive brewers’ yeast with high fibre and dietary valuable, functional fibres. Brewers’ yeast is rich in bioavailable active ingredients and nutrients such as proteins, amino acids, B vitamins, minerals, and trace elements.
What experience have you had with Leiber products? Do you have any questions? How can we help you? We look forward to your message and will respond as quickly as possible.
Simply send us an email to ed.drefp-rebiel@ofni or use the form.