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Purina Pro Plan FortiFlora Feline Health Supplement

CatSupplement

Complementary food

This is a treat, topper or supplement — designed to complement a diet, not replace it, so it isn't formulated to be complete and balanced.

A widely used veterinary guideline: treats should make up no more than about 10% of daily calories, so the complete main food still delivers balanced nutrition.

References

WSAVA — Global Nutrition Guidelines WSAVA — Feeding Treats to Your Dog (10% guideline) AAFCO — Supplements

Purina Pro Plan FortiFlora Feline Health Supplement scores 0/5 on Moesonson's label-based analysis. Its two scoring factors rate evenly: protein clarity (low — 0% of the recipe's protein panel is clearly named) and animal-protein content (limited — 0% of the weighted protein comes from animal sources).

Rating

Updated Aug 2026
☆︎☆︎☆︎☆︎☆︎ 0.0 / 5
Protein Clarity

Protein Clarity

This measures how clearly the protein sources are identified on the label. "High" means ingredients like "chicken" or "salmon" are listed by name, so you know exactly what your pet is eating. "Low" means vague terms like "meat meal" or "animal by-products" are used, making it harder to know what's really inside.

Why does clarity matter?

According to AAFCO (Association of American Feed Control Officials), pet food labels must follow specific naming standards. When a product uses a named protein like "chicken" it must contain at least 25% of that ingredient. Vague terms like "meat by-products" have no such minimum and can include lower-quality parts from any animal source — making it impossible to know what your pet is actually eating or to identify allergens.

References

AAFCO Ingredient Standards
Low
Animal Protein

Animal Protein

This estimates how meat-forward the protein sources are from the ingredient label. Named animal proteins count strongly, plant protein concentrates count strongly against the score, and whole plant ingredients with some protein count more lightly. A "High" score means the recipe appears mainly animal-protein led. A "Low" score means the label shows a stronger reliance on plant protein signals.

This is an ingredient-label heuristic, not an exact lab measurement of protein grams.

Why does animal protein matter?

1. Contains irreplaceable essential nutrients Taurine and Arginine — which cats need to stay healthy — are only found in meat. Plants contain none at all.

2. Plant proteins are poorly utilized by the body Even though plant proteins (like corn gluten meal) may show 92.9–96% apparent digestibility, that does not mean high bioavailability. They lack adequate Lysine (only 1.7% vs. the ideal 6–7%) and contain phytic acid that blocks mineral absorption.

References

PMC: Cats and Carbohydrates: The Carnivore Fantasy? Deng & Swanson (2020): Cats Have Increased Protein Digestibility as Compared to Dogs
Low
How we review →

How this score is made

This score isn’t a hand-wavy impression: it reads what the label actually prints — the ingredient list, guaranteed analysis and AAFCO adequacy statement — and runs it through the same algorithmic rubric as every other product. No brand pays for placement, and there are no affiliate links on reviewed products.

Read the full methodology

Is Purina Pro Plan FortiFlora Feline Health Supplement cat food good?

Purina Pro Plan FortiFlora Feline Health Supplement is a cat food rated 0 stars, with low ingredient transparency and limited animal protein content. However, several animal ingredients are described in generic terms, which reduces sourcing transparency. This recipe is free from Gluten grains, Grains (gluten-free), Dairy, Egg, Legumes, Nuts, Poultry, Fish, Shellfish, Unknown Meal but contains Red meat.

Allergy Highlights

Contains:

Red meat

Free From:

Gluten grainsGrains (gluten-free)DairyEggLegumesNutsPoultryFishShellfishUnknown Meal

Ingredients Analysis

4 of 4 matched

  • 1 Enterococcus lactis SF68
    Probiotics

    Description

    A probiotic strain of Enterococcus lactis supporting intestinal health.

  • 2 Taurine
    Supplement

    Description

    An essential amino acid (building blocks of protein) to maintain a healthy brain and heart functions.

    Why Prefer?

    A safe supplement to improve the completeness of essential amino acids profile (the building block of protein).

  • 3 Liver Flavor
    Food Additive

    Description

    A flavouring derived from liver to enhance palatability.

    Why Notice?

    Unspecified animal products from unknown sources. Its quality is highly concerned, often seen in low quality pet foods.

  • 4 Yeast
    Plant Protein Concentrate

    Description

    Made from fungus and often used to make beer, a rich source of minerals such as selenium. B-complex vitamins, and chromium. It contains around 40% protein.

    Why Concerned?

    A controversial ingredient, some believe it can support the immune system, while others say it can be linked to allergies and bloating. However, no scientific research can provide a concrete conclusion.

Tips

  • Cat formula needs review: cats rely heavily on animal protein, and this label does not show strong named animal protein near the top.
  • Higher-priority ingredients to review: Liver Flavor.

Protein Analysis

How this recipe earned its protein scores.

Protein Clarity

—

This recipe does not list any animal-protein ingredients, so there is no clarity score to break down.

Animal Protein

Low
Low
  • Auxiliary 100%

Protein in Purina Pro Plan FortiFlora Feline Health Supplement leans on plant signals: only 0% comes from animal sources, while plant-protein concentrates make up 0% and whole plant proteins 0%. Plant concentrates like pea or soy isolate are cheap protein boosters but lack the amino-acid profile pets need from meat.

Contributing ingredients

Auxiliary

Yeast

Purina Pro Plan FortiFlora Feline Health Supplement cat food Review

Purina Pro Plan FortiFlora Feline Health Supplement scores 0 stars on this analysis, with low ingredient transparency and limited animal protein content. There are several concerns in this label that may make it a poor fit.

Best for

  • Pets avoiding gluten grains

Avoid if

  • Ingredient transparency is non-negotiable
  • Your cat needs a strongly meat-led recipe

Key takeaways

  • Contains common allergens: Red meat.
  • Free from Gluten grains, Grains (gluten-free), Dairy, Egg, Legumes, Nuts, Poultry, Fish, Shellfish, Unknown Meal.
  • Overall rating: 0 stars, based on transparency, protein source, and macro balance.

Frequently asked questions

Is Purina Pro Plan FortiFlora Feline Health Supplement good for cats?

Based on its label, Purina Pro Plan FortiFlora Feline Health Supplement is hard to recommend — it scores 0 out of 5 stars on Moesonson’s analysis, with low ingredient transparency and limited animal protein content. Both factors come straight from the printed ingredient list, so review the full breakdown of concerns before choosing it for your cat.

Does Purina Pro Plan FortiFlora Feline Health Supplement contain Dairy?

No — based on the printed ingredient list, Purina Pro Plan FortiFlora Feline Health Supplement does not include Dairy or closely related ingredients, so pets sensitive to Dairy can typically avoid that trigger here. Recipes do get reformulated, though, so re-check the packaging before feeding — Moesonson’s reading reflects the label at analysis time.

Does Purina Pro Plan FortiFlora Feline Health Supplement contain Egg?

No — based on the printed ingredient list, Purina Pro Plan FortiFlora Feline Health Supplement does not include Egg or closely related ingredients, so pets sensitive to Egg can typically avoid that trigger here. Recipes do get reformulated, though, so re-check the packaging before feeding — Moesonson’s reading reflects the label at analysis time.

Does Purina Pro Plan FortiFlora Feline Health Supplement contain Legumes?

No — based on the printed ingredient list, Purina Pro Plan FortiFlora Feline Health Supplement does not include Legumes or closely related ingredients, so pets sensitive to Legumes can typically avoid that trigger here. Recipes do get reformulated, though, so re-check the packaging before feeding — Moesonson’s reading reflects the label at analysis time.

Does Purina Pro Plan FortiFlora Feline Health Supplement contain Nuts?

No — based on the printed ingredient list, Purina Pro Plan FortiFlora Feline Health Supplement does not include Nuts or closely related ingredients, so pets sensitive to Nuts can typically avoid that trigger here. Recipes do get reformulated, though, so re-check the packaging before feeding — Moesonson’s reading reflects the label at analysis time.

Is Purina Pro Plan FortiFlora Feline Health Supplement grain-free?

Yes — Purina Pro Plan FortiFlora Feline Health Supplement is grain-free according to its printed ingredient list: no gluten grains (like wheat) and no gluten-free grains (like rice or corn) appear in the recipe. That makes it a candidate for pets with diagnosed grain sensitivities, though grain-free offers no automatic benefit for pets without one.

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