My First Impression of Dr. Perendly MaxBiome
Dr. Perendly MaxBiome worked better for my small dog than several other probiotic powders we tried, mainly because he accepted it easily and his stool stayed stable while using it. However, I would not call it the best dog probiotic for every dog. The formula includes cheddar cheese for flavor, and the manufacturer did not disclose the amount when I asked.
That ingredient became important after my dog received a high cheese sensitivity result on a test. He had never shown a clear reaction to cheese, but I still stopped the product for a period because I wanted more ingredient transparency.
The Dog and Feeding Routine
Louie is a 2-year-old Yorkshire Terrier with a small body size. He has tried several probiotic products, and a few appeared to make his stool less consistent. MaxBiome was one of the products that seemed to fit him more comfortably.
The powder comes in 1.2-gram single-serve sticks. I sprinkled it over his food and mixed it in before serving. Louie does not usually reject powdered supplements, and he accepted this one from the first feeding. Mixing was still useful because loose powder could scatter when he licked the surface of the meal.
What the Formula Includes
The package highlights 19 probiotic strains, Saccharomyces boulardii, prebiotics, yeast, and digestive enzymes. It also lists 1 trillion CFU per stick.
Those numbers sound impressive, but a large CFU count or long strain list does not automatically mean a probiotic will suit a specific dog. The more useful question is whether the dog tolerates the product and whether stool quality, appetite, comfort, or gas changes after starting it.
The package also mentions 11,340 mg of prebiotics. Because each stick weighs only 1.2 grams, that number cannot describe the amount in one stick. Owners should check whether it refers to the full package or another serving calculation before comparing products.
How It Performed for Louie
I used MaxBiome during more than one feeding period. I stopped it after learning about the cheese sensitivity result, tried other options, and later returned to it because it had been one of the more dependable products for Louie.
During the current feeding period, Louie already had consistently good stool after switching to a cooked diet. For that reason, I cannot say MaxBiome alone improved his digestion. The more accurate conclusion is that adding it did not disrupt a routine that was already working well.
A supplement should not receive credit for every positive change when food, treat intake, stress, medications, and daily routine may also affect digestion.
The Cheese Sensitivity Concern
Cheddar cheese is included for palatability. Louie had no visible itching, vomiting, diarrhea, or other obvious reaction while taking the product. His test result alone did not prove that the supplement was causing a clinical allergy.
Still, I contacted the company to ask how much cheese the formula contained. The company said the exact blend ratio was confidential. I decided to stop feeding it at that time because I could not judge the exposure level.
I later restarted it after considering Louie's actual history with the product. A dog with a confirmed dairy reaction would need a different decision.
What I Liked and What I Would Check First
This comparison shows both the practical advantages and the points that may affect whether the product is appropriate for a particular dog.
| What Worked Well | What Needs Caution |
|---|---|
| Easy-to-use single-serve powder sticks | Contains cheddar cheese for flavor |
| Louie accepted it without hesitation | Exact cheese amount was not disclosed |
| Did not disturb his otherwise stable stool | Current stool quality cannot be credited to the probiotic alone |
| Includes multiple strains and S. boulardii | Large label numbers do not guarantee a good individual match |
The main advantage was easy feeding and consistent tolerance. The main limitation was not knowing how much cheese flavoring the product contained.
Who May or May Not Like This Dog Probiotic
This product may suit a small dog that accepts powdered supplements, tolerates dairy-based flavoring, and needs a convenient formula that mixes directly into food.
It may be a poor fit for a dog with a known cheese or dairy reaction, an owner who needs full disclosure of flavoring amounts, or a dog whose stool becomes softer after multi-ingredient supplements.
Introduce only one new supplement at a time and watch for changes in stool, appetite, vomiting, itching, gas, or energy. Stop and contact a veterinarian when symptoms are sudden, repeated, severe, or accompanied by pain, lethargy, blood in the stool, or reduced appetite.
Final Verdict
Dr. Perendly MaxBiome is a convenient and palatable dog probiotic that has been a stable match for Louie, but the cheese ingredient keeps it from being an easy recommendation for every dog. I would judge it by tolerance and actual stool response, not by the CFU count alone. For dogs with food sensitivities, ingredient transparency should carry as much weight as the strain list.