Lovebug Probiotics “Here’s The Skinny” supplement is loaded with 8 strains of Bifidobacterium and Lactobacillus work to restore depleted good bacteria to help with constipation, diarrhea, and symptoms of IBS. Studies show that gut bacteria don’t just aid in digestion, they also play a critical role in metabolism and fat loss. 80-90% of serotonin, the brain’s feel-good hormone, is produced by nerve cells in the gut. Some of the bacteria in our guts release chemicals that communicate with the brain through the vagus nerve. New research shows a link between digestive issues and mood disorders.