The unique bacterium: Lactobacillus GG

Microbes are consumed around the world and they are widely considered as part of healthy nutrition. The microbes most commonly consumed deliberately are lactic acid bacteria and bifidobacteria.

Lactobacillus rhamnosus GG, ATCC 53103 (Lactobacillus GG) with the trademark LGG® is the king of lactic acid bacteria. It is the best known of its kind with more than 800 published research articles making it the world´s most researched lactic acid bacterium. It has often been used as the positive control in scientific studies of microbial health effects all over the world.

Lactobacillus GG is unique with its flexible whips. These whips help it to attach to the intestinal wall and stay there.

Certain characteristics of Lactobacillus GG

• Excellent survival in the gastrointestinal tract
• Adhesion capacity to the intestinal wall
• Transient colonization

Lactobacillus GG with its hair by immunogold electron microscopy. Kankainen et al. 2009


Two US researchers, professors Barry Goldin and Sherwood Gorbach, isolated Lactobacillus GG from a healthy human in 1985. After extensive research by Valio R&D and global scientific community, the first LGG® products were launched in Finland under Valio Gefilus® brand in 1990.

Lactobacillus GG has a safe history of use in foods since 1990. Its safety has been documented in scientific publications and it has been administrated in numerous clinical trials in healthy and sick people in various age groups (aged, adults, children, infants and premature infants) without any adverse effects.

Lactobacillus GG is now available in about 70 countries. People around the world have experienced the magic of LGG®!