Another pilot study found that a 15 - day course of the prebiotic FOS and Bacillus coagulans produced significant improvements in SIBO symptoms after an initial three - week course of broad - spectrum antibiotics.
The four Megaspores ™ in the Probiotic Protein Shake are the spore - forming microbes Bacillus subtilis, Bacillus clausii, Bacillus coagulans, and Bacillus indicus - all heavy hitting strains that produce critical vitamins in the gut.