What To Look For When Buying A Probiotic Apr 2026

CFUs indicate the number of live, active microorganisms per dose. A Pharmacist's Guide to Choosing the Right Probiotic

Specific health benefits are linked to specific strains. For example, Lactobacillus rhamnosus GG is well-studied for diarrhea and gut health, while other strains of the same species may not have the same effect. 2. Potency and CFU (Colony-Forming Units) what to look for when buying a probiotic

A "proper" probiotic label must list three names for each organism. If a product only lists the genus and species (e.g., Lactobacillus acidophilus ), it lacks the transparency needed to verify clinical benefits. The group name (e.g., Lactobacillus ). Species: The specific type (e.g., rhamnosus ). CFUs indicate the number of live, active microorganisms

The alphanumeric code that identifies the specific variant (e.g., GG ). The group name (e

To buy a high-quality probiotic, look for (genus, species, and a specific alphanumeric strain code), a CFU count guaranteed through the expiration date , and third-party certification for purity and potency . Because probiotics are regulated as dietary supplements, manufacturers are not required to prove safety or efficacy before selling them, making independent verification and reputable branding essential. 1. Strain Specificity: The "Full Name" Rule