Purina Pro Plan FortiFlora Review: The #1 Vet-Recommended Dog Probiotic

Mochi has a sensitive stomach. She's always had one — stress causes digestive upset, dietary changes cause loose stools, and antibiotics leave her system completely out of balance. FortiFlora has been part of her daily routine for over two years, and it's made a genuine, measurable difference.

What Is FortiFlora?

FortiFlora is a probiotic supplement for dogs made by Purina Pro Plan. Each sachet contains a guaranteed level of live active cultures — specifically Enterococcus faecium SF68, a strain that has been extensively studied in dogs and cats. It also contains vitamins C and E, which support immune function.

It's the #1 veterinarian-recommended probiotic for dogs in the United States, and it's been clinically studied in multiple peer-reviewed trials.

How It Works

The live bacteria in FortiFlora colonize the gut and help restore the natural balance of beneficial bacteria. This is particularly important after:

• Antibiotic treatment (which kills both harmful and beneficial bacteria)
• Dietary changes (which can disrupt the gut microbiome)
• Stressful events (travel, boarding, new environments)
• Illness or diarrhea

My Experience

I started giving Mochi FortiFlora after a course of antibiotics left her with persistent diarrhea. Within 48 hours of starting FortiFlora, her stools began to firm up. Within a week, she was back to normal.

Since then, I've given it to her daily as a maintenance supplement. The improvement in her overall digestive consistency has been significant — she has far fewer upset stomach episodes than she did before.

Palatability

FortiFlora is one of the most palatable supplements I've ever used. The powder has a meaty smell that most dogs find irresistible — Mochi actually gets excited when she sees me reach for the box. You just sprinkle one sachet over your dog's food, and they eat it without hesitation.

Dosage and Cost

One sachet per day, sprinkled over food. At $25.83 for 30 sachets, the daily cost is $0.86. For a product that genuinely improves digestive health, that's reasonable — though it does add up over time.

Verdict

4.7/5 stars. FortiFlora is the real deal. It's clinically studied, vet-recommended, and it works. If your dog has digestive issues, is on antibiotics, or is going through a stressful period, FortiFlora is the supplement to reach for. The daily cost is the only downside — but for dogs who need it, it's worth every penny.