Recent research in regards to the safety of Lactobacillus fermentum has been carried out on mice.

Tests carried out on mice have been encouraging.

Tests have already been carried out on mice in Cambridge.

The remaining tests were carried out on heterozygous mutant adult mice.

Twenty four tests were carried out on mutant mice but no significant abnormalities were observed.

The remaining tests were carried out on heterozygous mutant adult mice; these displayed no abnormalities.

Twenty six tests were carried out on mutant mice and two significant abnormalities were observed.

The hope is based only on experiments carried out on mice.

Twenty five tests were carried out on mutant mice and one significant abnormality was observed.

Twenty five tests were carried out on mutant mice and three significant abnormalities were observed.