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.

Read also

NAFB: Evaluating Your Silage Program Before Planting 

When it comes to producing high-quality silage, one of the most important parts of the season is now: Planning.  

Read more

When is the perfect timing for corn silage harvest?

Corn silage harvest is right around the corner and the perfect time to start planning is now. Before silo and silage management can be discussed, the first step is harvesting the forage at the correct moisture.

Read more
Grass harvest

NAFB on Air: Tackling Hard-to-Ensile Forages

While forages like alfalfa, small grains and grasses have multiple benefits, they can prove to be hard to ensile for many producers. Our own Caitlin Mellinger, Forage Specialist, PROVITA Supplements, chats with NAFB about navigating this challenge to get the most out of your forage.

Read more