Are all probiotics the same?

Nope — not all probiotics are the same at all. In fact, the differences between them can be pretty major. Think of probiotics like breeds of dogs — all are dogs, but a Chihuahua and a Great Dane have very different traits. Here’s what matters:

  1. 1. Strain-Specific Effects

Each probiotic is identified by genus + species + strain (e.g., Lactobacillus rhamnosus GG). Different strains within the same species can have totally different effects.

For example:

  • Lactobacillus rhamnosus GG helps with diarrhea
  • Lactobacillus rhamnosus GR-1 supports vaginal health
  • Bifidobacterium longum 1714 may help with stress and mood

So, two products might both say “contains Lactobacillus rhamnosus,” but only one has the proven strain for your issue.

  1. Dose Matters

Probiotics are measured in CFUs (colony-forming units). Some health effects require high doses — e.g., 10 billion CFU/day or more. Too low a dose might do nothing.

  1. Alive and Active

Some products may contain dead or inactive bacteria due to poor storage or expiration. Only live probiotics tend to have clinical benefits (unless you’re looking at postbiotics — a different topic!).

  1. Different Clinical Uses

Probiotics are studied for different conditions — and not every one helps with every issue. Some are backed by clinical trials, others are more hype than science.

Examples:

  • Saccharomyces boulardii for antibiotic-associated diarrhea
  • Lactobacillus plantarum 299v for IBS
  • Bifidobacterium breve B-3 for fat loss/metabolism

📦 5. Delivery System

Capsules, powders, yogurts — all can vary in how well they deliver bacteria alive to your gut. Some have enteric coatings or time-release tech.

So no, definitely not all probiotics are the same — and if you’re looking to get results, choosing the right strain, dose, and format makes all the difference.

Want me to help match a strain to a specific health goal?  Contact me at www.theprobioticguide.com .

 

#Probiotics     #Species     #Strain     #Dose     #Active probiotics     #Delivery system