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Patented Fibre Blend

The discovery of the patented fibre blend was a milestone in breast milk research. Today, patented fibre blends are an indispensable component of high-quality foods for babies and toddlers.


The creation of the patented fibre blend was a milestone. Since 2003 Aptamil formulas have included the patented blend of galacto-oligosaccharides and fructo-oligosaccharides developed by our scientists.

The discovery of prebiotics in breast milk

Studies revealed that the intestinal flora of breastfed babies is dominated by bifidobacteria and lactobacilli. The bifidobacteria alone account for 80% of all bacteria. In contrast, these bacteria make up only 30–40% of the intestinal flora in bottlefed children. Bifidobacteria contribute to an acidic milieu in the intestines and protection against pathogens.

The importance of intestinal flora

Intestinal flora is important in protecting your baby from pathogens. These are different "healthy" bacteria, such as lactobacilli and bifidobacteria that colonise primarily the large intestine. They prevent the excessive growth of pathogens. Prebiotics serve as nutrients for these “good” intestinal bacteria.

A protective wall for infant intestines

Our scientists found out that a specific group of carbohydrates (prebiotic oligosaccharides) in the breast milk is responsible for, among other things, these valuable, predominantly bifidobacteria in the intestinal flora of breast-fed babies.

What are oligosaccharides?

Oligosaccharides are indigestible carbohydrates that pass into the large intestine unchanged.

Oligosaccharides account for nearly 8% of the solid constituents of breastmilk. They serve as nutrients for the “good” intestinal bacteria and stimulate the growth primarily of bifidobacteria and lactobacilli, thus supporting the intestinal barriers and the immune defense systems of breast-fed infants.

Over the years our researchers have developed a way to offer this advantage to bottlefed children as well. They’ve succeeded in replicating the positive effects of the oligosaccharides found in research by blending short-chain galacto-oligosaccharides (GOS) and long-chain fructo-oligosaccharides (FOS) in a ratio of 90:10.

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