Ingredient testing
We verify glucosamine, chondroitin, green-lipped mussel, and UC-II doses in real dog joint products against the research.
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How to Check if a Human Supplement Is Toxic to Your Dog
A step-by-step way to read a human supplement label for xylitol and other dog-toxic ingredients before you ever open the bottle for your dog.
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Is an Organic Dog Supplement Better Than a Non-Organic One?
A lab-bench look at what "organic" actually certifies on a dog supplement label, and whether it predicts quality, dose accuracy, or joint-support results.
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The Difference Between a Supplement Facts Panel and a Nutrition Facts Panel for Dogs
Dog food and dog supplements don't actually carry a human-style Nutrition Facts or Supplement Facts panel. Here's what's really printed on the back of the bag or bottle, and how to read it.
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USP Verified vs NASC Certified: What These Dog Supplement Seals Actually Check
USP Verified and NASC Certified mean different things on a dog supplement label. Here's what each program actually tests, and what neither one guarantees.