Probiotics, the so-called "friendly" bacteria contained in yogurt, may improve fat metabolism, according to a study published in the Jan. 15 issue of Molecular Systems Biology. Researchers gave two types of probiotic drinks containing Lactobacillus strains to mice. The mice who received the probiotics showed a range of biochemical effects, including an amplification of other friendly bacteria in the gut.
But the mice also metabolized bile acids from the liver more efficiently, which helped emulsify fats in the upper intestines. The researchers say that if probiotics can influence the way bile acids are metabolized, it is also possible to change how much fat the body is able to absorb.
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