Flavor Booster Beef Liver Topper
Verified Jun 16, 2026
This is a high‑protein, freeze‑dried beef liver powder designed to be used as a topper for dogs and cats. Made from single-ingredient USDA-inspected beef liver, it’s meant to boost flavor and palatability for picky, recovering, or low‑appetite pets. Because it’s very nutrient- and calorie-dense, it should be used in small amounts alongside a complete and balanced diet.
Nutritionally, this is a very simple, high-quality single-ingredient topper that can be useful for encouraging dogs and cats to eat their regular food. The protein and fat levels are high, as you’d expect from pure liver, and the freeze-drying helps preserve nutrients and flavor. It’s best suited as a flavor enhancer or occasional extra, not as a main food, and should be used in moderation because of liver’s rich nutrient content.
The KibbleLab Score (1–10) is assessed from publicly available product data. Our evaluation is science-based, not marketing-based.
KibbleLab may earn an affiliate commission when you buy through a link. No one can pay for a higher score, or to change what we recommend for your pet.
At a Glance
KibbleLab Review
Strengths
- Single, clearly named ingredient (beef liver) provides highly digestible animal protein and important vitamins and minerals.
- High protein and moderate fat content make it very appealing to many dogs and cats, which can help when appetite is low.
- Freeze-dried processing helps retain nutrients and flavor while keeping moisture low for good shelf stability.
- Suitable for both dogs and cats, making it convenient in multi-pet households.
Considerations
- This is not a complete and balanced diet, so it should only be used as a topper or treat alongside a regular, balanced pet food.
- Because it is pure liver and quite calorie-dense, large amounts are not appropriate long term; overuse could contribute to excess vitamin A intake, especially in smaller pets.
- Contains beef, which can be an allergen for some dogs and cats; pets with known beef allergies should avoid this product.
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
Beef Liver
Beef liver is an organ meat commonly used in dog and cat foods and treats as a highly palatable, protein-rich, nutrient-dense ingredient that provides concentrated, bioavailable vitamins (especially vitamin A and B12), heme iron, copper, and essential amino acids. While it supports blood health and overall nutrition, beef liver should be fed in moderation because excess vitamin A can cause toxicity, its richness may upset sensitive stomachs or contribute to pancreatitis in predisposed pets, and proper sourcing/processing is important to minimize contaminant or bacterial risks.
Nutritional Breakdown
How to read As Fed versus Dry Matter
As fed shows the numbers straight off the label, water included. Dry matter removes the water so you can compare a wet food and a dry food fairly.What is calorie density
How many calories the food packs per unit. Denser foods mean smaller portions for the same calories.Product Details & Brand
Product Specs
Brand
Dr. Tim’s is a premium pet food brand designed for active, athletic, and performance animals, with a focus on high-protein, high-fat formulas for optimal endurance and health. Products are formulated by veterinarians using advanced nutritional science, with options for dogs and cats that include dry kibble and treats. The brand appeals to pet owners seeking science-based formulas without marketing gimmicks.
Visit Dr. Tim'sManufacturer
Manufactured in the USA under USDA and AAFCO regulations. Dr. Tim’s works with trusted co-packing facilities that adhere to strict quality and safety standards, including hazard analysis and critical control point (HACCP) protocols and routine nutritional testing to ensure product consistency.
Manufacturing details are compiled from public sources and not independently verified; they may not reflect contract manufacturing or co-packing.
Recall History
Dr. Tim's Flavor Booster Beef Liver Topper has no recalls since 2014.
Source: FDA Pet Food Recall Database · Monitored daily
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Frequently Asked Questions
Has Dr. Tim's ever been recalled?
We have no recalls on record for Dr. Tim's. 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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