The US office of PROVITA SUPPLEMENTS is based in Minneapolis, being committed to the needs of our customers and the requirements of the agricultural markets. As part of a family-owned and globally acting group of companies, we are a manufacturer of silage inoculants, trace minerals, enzymes, and direct fed microbials. We have access to an unique network of experts in the field of research, development and production of feed additives. That gives us the ability to adopt the newest scientific results in our products, for your success.

We have more than 30 years of experience with supporting dairy producers in making perfect forages around the world. Our intensive research in strain selection and strain metabolism gives you access to products that fit your needs for maximum results.  The BONSILAGE® portfolio contains specific lactic acid bacteria which are solely owned by us.


Enhanced feed efficiency through BONSILAGE®-treated silage was created by the following, affiliated companies:

Our BONSILAGE inoculants are manufactured by our group’s own production facility LACTOSAN to ensure that we are able to maintain consistently high product quality. LACTOSAN has 30 years of experiences in the field of silage inoculants and is Europe’s leading manufacturer of products based on viable lactic acid bacteria.


Located in Northern Germany, in a typical dairyland region, our research farm Gut Huelsenberg allows us to test, develop and validate innovative products under practical dairy farm conditions. In addition to all the necessary scientific external work, it is extremely valuable to know that our products succeed in real farm situations

ISF Schaumann Research is our think tank for innovative products. The ISF supports us through fundamental experiments for the development of novel silage inoculants as well as with thorough specialist knowledge and tailor-made analyses for the quality control of raw materials and products.

BONSILAGE USA researches, tests, manufactures, and distributes silage inoculants directly to US farmers.

If you would like to book an consultation with one of our silage experts, click HERE.

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Bonsilage Speed C

Speeding to Faster Aerobic Stability

BONSILAGE® SPEED C. It’s fast. And on the dairy farm, the extra flexibility offered by faster silage can make all the difference.

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Wrapping Up World Dairy Expo 2022

We have been looking forward to the WDE for a long year and now it is over. Read what we experienced during the expo.

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BONSILAGE FORTE proven to rise to the low-pH challenge

For good silage, high pH is bad. For an efficient and proper fermentation to take place there needs to be a rapid pH drop early on.

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