Bifidobacterium breve Finally, we have B. breve, a bacterium that has been shown to reduce body fat mass and percent body fat, at least that’s what one study found when analyzing its effects on healthy, pre-obese adults. In addition to the previously mentioned, both good and bad cholesterol levels were improved and reduced respectively [ ]. Based on the analyses above, it is evident that a lot of factors need to be reflected upon to further understand the value of probiotics (such as age, gender, weight, severity of digestion issues, etc.) on one’s health. It is important to note that though some distinctive effects are more dominating than others in this formula, probiotic strains often work in synergy and this is something that individuals are encouraged to read up on!