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Updated: May 13, 2026

Therapeutic Effectiveness of a Dietary Supplement for Management of Halitosis in Dogs

Therapeutic Effectiveness of a Dietary Supplement for Management of Halitosis in Dogs

Published on: July 6, 2015

Investigating illicit dog health supplements using various analytical techniques.

Ricoveer Shergill¹, Shakthy Sharma¹, Rora Wisby¹

¹School of Applied Sciences and Centre for Lifelong Health, University of Brighton, Brighton, BN2 4GJ, UK.

Topics in Companion Animal Medicine

|December 9, 2025

Summary

Illicit pet joint supplements were analyzed and found to contain lower levels of essential nutrients like vitamin C and Omega-3 fatty acids. These counterfeit products are made with bulking agents, posing a significant risk to pet health.

Keywords:

Dog supplements Illicit products Joint pain Manganese Omega-3 fatty acids Vitamin C Vitamin E

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Last Updated: May 13, 2026

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Area of Science:

Veterinary Pharmacology
Analytical Chemistry
Food Science

Background:

Pet owners widely use health supplements for pet longevity and well-being.
Limited regulation of pet supplements increases vulnerability to illicit product manufacturing.
Online marketplaces facilitate the distribution of potentially counterfeit pet products.

Purpose of the Study:

To investigate two dog joint care supplements suspected of being illicit.
To identify analytical differences between genuine and counterfeit pet supplements.
To assess the risks associated with falsified pet health products.

Main Methods:

Visual inspection of packaging and supplement appearance.
Physical analysis including weight and hardness measurements.
Infrared spectroscopy and quantification of key ingredients (Vitamin C, E, Manganese, Omega-3).

Main Results:

Illicit supplements showed packaging and physical property discrepancies (lower weight, increased hardness).
Infrared spectra were similar, but illicit products had significantly reduced levels of Vitamin C, E, Manganese, and Omega-3 fatty acids.
Counterfeit tablets were adulterated with bulking agents to increase yield.

Conclusions:

Illicit pet supplements are being manufactured and sold, often via online channels.
Falsified supplements pose health risks due to lower active ingredient content and adulteration.
Increased owner awareness regarding the risks of illicit pet products is crucial.