Probiotics are sold in various forms, including capsules, gummies, powders, and liquids. You can find them at major retailers such as: Should you take a daily probiotic supplement?

: The most common genus, including strains like L. acidophilus and L. rhamnosus GG .

Most over-the-counter supplements feature one or more of these common bacterial or yeast families:

: A beneficial yeast frequently used to manage diarrhea, especially after antibiotic use.

: Often used for digestive regularity, including B. longum and B. infantis .