Common pill forms shown include tablets, caplets, softgels, and capsules.
Many items note dietary attributes such as gluten-free, no artificial flavors, no artificial colors, and some are labeled sugar free.
Package counts in these results range from about 14 up to 60 pills per bottle or package.
Label guidance varies: some items are marked for ages 12 years and up, many specify 18 years and up, and several carry an "Adult Use Only" notice.
One product lists 40 billion live cells from 16 probiotic strains per pill. Another lists 10 billion CFUs per capsule and names Lactobacillus acidophilus La-14 and Lactobacillus rhamnosus HN001 as strains.