Key Takeaways “Guaranteed Analysis” on a dog supplement label is a manufacturer self-declaration of minimum nutrient levels — not an independent laboratory certification of potency or efficacy. AAFCO’s Guaranteed Analysis rules apply to complete and balanced pet foods, not to most supplements, leaving a regulatory gray zone that many brands exploit. Probiotic CFU counts listed…
Key Takeaways The claim that “human probiotics work fine for dogs” is partially true with major caveats — most human strains have not been validated in canine hosts. Host specificity is a real microbiological phenomenon: bacterial strains isolated from dogs often behave differently in dogs than strains isolated from humans. Some general mechanisms (competitive exclusion,…
Key Takeaways The claim that postbiotics are “just marketing hype” contains a kernel of truth and a significant factual gap: postbiotics are not a rebranded probiotic, but their health claims outrun the canine trial base. Peer-reviewed evidence is strongest for oral-health endpoints. The 2025 canine dental plaque trial (PMID: 40509062) is the clearest case where…
“`html Key Takeaways The blanket claim that “all dog probiotics need refrigeration” is false. Stability depends on the format — live bacterial cultures, spores, and postbiotics each behave differently. Postbiotic supplements contain no live organisms. They are inherently shelf-stable from the day they’re manufactured until the printed expiration date. Live-culture products (certain soft chews, powders,…
“`html Medical Disclaimer: This article is for informational purposes only and does not constitute veterinary advice. Consult your veterinarian before starting any supplement regimen for your dog. Statements about specific products reflect publicly available information as of the publication date and have not been evaluated by the FDA. Individual results may vary. FTC Disclosure: Some…
“`html By True Canine Fact-Check Team — Fact-check reviewed and updated October 2025 Key Takeaways The blanket claim that all canine probiotics require refrigeration is Half-True. Some live-bacterial probiotic products genuinely need cold-chain handling, while others are formulated to remain stable at room temperature. CFU viability depends on the strain, delivery format (soft chew, powder,…
“`html Disclosure: This article contains affiliate links. If you purchase a product through these links, we may earn a commission at no additional cost to you. This does not influence our editorial analysis or verdicts. Our fact-checking methodology is documented at the bottom of this page. Reviewed by Dr. Rachel Kim, DVM — Small animal…
This is a fact-check article. Our editorial process documents the claim being examined, then reports what the public record actually shows. We cite real, verifiable sources. When we find evidence one way or the other, we state the verdict plainly. By Dr. Helena Marsh, DVM | Reviewed by the True Canine Probiotics editorial board |…
Key Takeaways The NASC Quality Seal certifies GMP manufacturing compliance and adverse-event reporting — it does not certify therapeutic efficacy in dogs. A quality seal is the floor of evidence, not the ceiling. Product-level published trials in peer-reviewed journals sit above any certification mark. Plentum, a postbiotic + prebiotic oral-health formulation, has canine-specific clinical trials…
“`html By Dr. Rachel Kim, DVM · Veterinary Fact-Check Editor · Updated October 2025 Medical Disclaimer: This article is for informational purposes only and does not constitute veterinary advice. Consult your veterinarian before starting any supplement regimen for your dog. Statements about specific products reflect publicly available information and have not been evaluated by the…