The flexible, reliable partner for malic and fumaric acid
Based in North America and distributing to customers around the globe, Bartek is the world’s largest producer of malic acid and food-grade fumaric acid, and we’re excited to partner with you.
Malic Acid
Enhances and extends flavors and blends discordant flavor notes for a more rounded, natural flavor profile.
Fumaric Acid
Improves quality, reduces cost, displaces antibiotics, and more in an array of applications across markets.

Our Markets.
About Us.
With a concentrated focus on malic and fumaric acids, we know our products well, deliver them consistently, and recognize their broad applications and benefits.
Bartek serves food, beverage, confectionery, animal nutrition, and industrial markets around the globe by delivering dynamic ingredients that go beyond sour, to improve taste and mouthfeel, add differentiating attributes, increase performance, lower cost-in-use, and more.
News + Insights
What's new at Bartek
Click below for the latest news, insights, and more from Bartek.