Catzymes Cran-Tri-C Cranberry & Vitamin C Supplement Powder
Verified Jun 2, 2026
This is a simple cranberry and vitamin C powder supplement for cats of any age, designed to be sprinkled on food. It combines cranberry powder with two forms of vitamin C to provide concentrated antioxidant support alongside your cat’s regular diet. It’s not a complete food, but an add-on that may be considered for cats where a veterinarian recommends urinary or immune support nutrients.
A very straightforward supplement with just three ingredients: cranberry powder and two forms of vitamin C. The formula is clean and highly concentrated in vitamin C, which some veterinarians may use short term or in specific cases as part of a broader urinary or immune-support plan. Because it is a high-dose single-nutrient supplement, it’s best used under veterinary guidance, especially for cats with other medical conditions.
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At a Glance
KibbleLab Review
Strengths
- Short, simple ingredient list with clearly identified components: cranberry powder plus two vitamin C sources.
- Provides a defined amount of vitamin C per measured dose, making it easier for your veterinarian to adjust dosing if needed.
- Powder form is easy to mix with food for most cats, which can make daily administration more practical.
- Designed for all life stages, so dosing can be tailored for kittens through seniors as advised by a veterinarian.
Considerations
- This is a supplement only and does not provide complete or balanced nutrition, so it must be given alongside a regular, complete cat food.
- The vitamin C dose per 1/4 teaspoon is quite high for a cat, so long-term or high-dose use should be discussed with your veterinarian to avoid potential gastrointestinal upset or other issues.
- Cranberry and vitamin C are not stand-alone treatments for urinary problems; cats with urinary signs (straining, blood in urine, frequent urination) need prompt veterinary evaluation rather than relying on supplements.
- Safety in pregnant or breeding animals has not been established, so use in these cats should only be under direct veterinary supervision.
Full Ingredient List
Ingredients and analysis reflect manufacturer data at the time of our last update and can change without notice. Always check the actual product packaging before feeding.
Ingredient filtering helps identify compatible options but is not a substitute for a veterinary elimination diet.
Top 5 Ingredients Explained
01
Cranberry
Cranberries are used in pet foods and supplements as a source of fiber and antioxidants (notably polyphenols/proanthocyanidins) and are commonly included for their potential urinary tract–supporting properties in dogs and cats. While these compounds may help inhibit bacterial adhesion in the urinary tract, scientific evidence in pets is limited, and owners should choose unsweetened, preservative-free preparations (avoiding products sweetened with xylitol), watch for gastrointestinal upset or effects on urine pH, and consult a veterinarian for pets with urinary stones or taking certain medications.
02
Sodium Ascorbate
Sodium ascorbate is the sodium salt of vitamin C often used in pet foods as a stable, water‑soluble antioxidant and as a preserved source of ascorbate to protect fats and vitamins from oxidation. Because dogs and cats generally synthesize vitamin C endogenously, routine supplementation is usually unnecessary, but sodium ascorbate can be used for product stability or specific needs; high doses may cause gastrointestinal upset and the extra sodium should be considered for pets on sodium‑restricted diets.
03
Ascorbic Acid
Ascorbic acid is the chemical form of vitamin C commonly used in pet foods as an antioxidant and preservative to protect fats, flavors, and other vitamins from oxidation and sometimes included as a supplemental source of vitamin C. Dogs and cats generally synthesize vitamin C endogenously so it is not essential in most diets, but added ascorbic acid can support immune function and wound healing and help stabilize the product; large supplemental doses can cause gastrointestinal upset or increase urinary oxalate in susceptible animals, so extra supplementation should be guided by a veterinarian.
Product Details & Brand
Product Specs
Brand
Nature's Farmacy is the flagship brand offering animal health supplements, probiotics, digestive enzymes, and nutritional support products. It focuses on holistic, natural wellness solutions for pets and performance animals, targeting consumers seeking science-based yet natural options for animal health.
Visit Nature's FarmacyManufacturer
Products are manufactured in the USA under strict in-house quality control procedures. The company oversees its production to ensure consistency, purity, and efficacy of supplements, adhering to standard GMP (Good Manufacturing Practices) for animal supplements.
Manufacturing details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing.
Recall History
Nature's Farmacy Catzymes Cran-Tri-C Cranberry & Vitamin C Supplement Powder has no recalls since 2014.
Source: FDA Pet Food Recall Database · Monitored daily
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Frequently Asked Questions
Has Nature's Farmacy ever been recalled?
We have no recalls on record for Nature's Farmacy. We monitor the FDA Pet Food Recall Database daily.
How does KibbleLab rate foods?
Our scores are based on ingredient composition, nutritional profile, AAFCO compliance, and health considerations. We don't penalize by-products, grains, or synthetic preservatives. Brands cannot pay for higher scores.
Is KibbleLab a substitute for veterinary advice?
No. KibbleLab provides data-driven food analysis, not medical advice. Always consult your veterinarian before making dietary changes, especially for pets with health conditions.
KibbleLab provides informational content only. This is not veterinary advice. Always consult a qualified veterinarian before changing your pet's diet.
KibbleLab may earn affiliate commissions through product links. No one can pay for a higher score, or to change what we recommend for your pet.
Product data sourced from manufacturer websites, AAFCO statements, and FDA recall database. Last verified dates reflect our most recent data check.
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