Acid reflux is one of the most common conditions that cause heartburn. Heartburn happens because stomach acid flows back up into the food pipe. There are many ways to help prevent acid reflux, and increasing the good bacteria in your stomach is one of the effective ways to do that. Probiotics are live microorganisms that when ingested, can help improve the body’s response against harmful or bad bacteria. There are many strains of probiotics that play crucial roles in different body systems, however, it has been found that the best probiotic for acid reflux is Lactobacillus Acidophilus.