Fermentkeeper controls the growth of probiotics during the fermentation process to prevent over-fermentation of fermented foods. It helps maintain freshness and the high quality of the product as it was at the time of production, preventing issues that may arise during distribution, such as packaging deformation due to gas buildup or product spoilage. Since it is not mixed into the food itself, it can be applied to a wide variety of food products, and it is attached inside the packaging, requiring no additional processing steps for existing products. By extending the product’s shelf life, it helps reduce waste and lower distribution and shipping costs.