Having unique expertise on animal health as well as plant extracts, and by designing product blends from over 75 different plant species, Phytosynthese plays a leading role in the animal feed business by providing "phytogenic" solutions for all sectors.

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The active substances from certain plants are very powerful.  When blended, their synergies provide favorable overall benefits for the animals’ organism.


Because of the high diversity and variety of active molecules, Phytosynthese offers effective, natural solutions to all players in the animal feed sector. These are additives based on plant extracts and essential oils, from which we guarantee the content of active substances: it is the concept of phytogenics.

Our strategy is based on three pillars: innovation, sourcing and adaptating our products to your needs.


The strength of our scientific and technical experts has been guaranteed since 1996: from research and development to field monitoring, our customer needs are top priority.  We are experts in combining the assets of each plant. This allows us to offer a complete range of products, with long-term support.

Our sensory additives for feed (powders) are manufactured with a vegetal or mineral carrier to enable their standardization and ease of use.
Liquid or soluble powder galenics are designed for distribution in drinking water.

Dates and key moments of Phytosynthese:

Who is the Lehning Group?

In 2012, Phytosynthese joined the Lehning Group, which has for vocation to be a global player in natural health in animals, through animal nutrition and in humans. The group, chaired by Stéphane Lehning since 2005, the grandson of the founder René Lehning, is born from the recognized know-how of Lehning Laboratories in the manufacturing of phytotherapy, homeopathy and phytocosmetics products since 1935.

The Lehning Group cultivates an ethics in the natural health, ensuring the best quality of its raw materials and developing high-technology products for its customers, while respecting the biocenosis of the raw materials used for its products It is a independent French family group with 310 employees in all production and distribution units throughout the world (France, Spain, Sri Lanka and Brazil).

The Lehning Group's website