The investment will also help the site reduce water consumption and decrease carbon emissions.
The expansion will create up to 40 new full-time jobs.
Danone North America – a subsidiary of French giant Danone – says the investment will support its long-term growth strategy and deliver key benefits across the US business, including advancing operational excellence, enabling flexibility in bottle design, accelerating the company's sustainability goals, and driving cost efficiencies.
Alongside SToK, the Jacksonville plant produces non-dairy coffee creamer International Delight and plant-based creamer brand Silk.
"We are delighted to announce this investment in our North American business, which will allow us to capitalize on consumer demand in key beverage categories including coffee creamers, plant-based creamers, and ready-to-drink coffee, while also supporting our long-term growth agenda," said Shane Grant, Group Deputy CEO, CEO Americas.
Mike Sloboda, Danone North America's Chief Operations Officer added: "We are thrilled to be investing in the people and economy of Jacksonville, creating 40 new jobs in addition to supporting our approximately 110 existing employees, all with competitive wages and benefits. This investment will allow us to better serve our customers and operate our business in an even more efficient and sustainable way."