Cosamin®DS Again Shown to be Effective in an International Multi-Center Study Lomonte, et al. Study Compares Cosamin®DS to Brazilian Prescription Brand

Cosamin®DS Joint Health Dietary Supplement was chosen as the comparator in another human clinical study recently published by Lomonte, et al. in the peer-reviewed journal Advances in Rheumatology.*

The international head-to-head, randomized, double-blind study, carried out in Brazil with 100 participants, showed that our nutraceutical Cosamin®DS, which contains our trademarked ingredients FCHG49® glucosamine hydrochloride and TRH122® chondroitin sulfate, and the Brazilian prescription brand, which contains glucosamine sulfate and chondroitin sulfate, are equivalent for safety and effectiveness in the support of improved joint comfort, with statistically significant results achieved. Further, no significant alterations in laboratory values assessing safety were noted.

"More than two decades ago my father, Dr. Robert Henderson, developed, patented, and brought to the market the first glucosamine hydrochloride, chondroitin sulfate joint health product, Cosamin®”, shared Dr. Troy Henderson, President and CEO of Nutramax Laboratories Consumer Care, Inc. “It remains a trusted, high-quality, brand backed by clinical studies. In fact, it is the #1 researched glucosamine/chondroitin brand."

“We have taken pride in knowing our Cosamin® brand contains quality ingredients with formulations rooted in extremely rigorous and sound science”, added Dr. Brian Cornblatt, Medical Director, Nutramax Laboratories Consumer Care, Inc. “Here we have another study comparing our Cosamin®DS, containing glucosamine hydrochloride, to a prescription brand, containing glucosamine sulfate, with equivalent positive joint health promoting outcomes. It is a shame some in the industry for years have spent countless dollars confusing both healthcare professionals and consumers by marketing the claim that glucosamine sulfate is somehow superior to high-quality products containing glucosamine hydrochloride. I hope, with yet another study such as this, we can officially and finally put that false claim to rest. We always work tirelessly to offer the public a brand they can trust, and it was nice to see the Cosamin®DS efficacy again substantiated in this study.”

About the Nutramax Laboratories Family of Companies: Since 1992, Nutramax Laboratories, a Christian-based company, has been developing products for people and their pets. Nutramax Laboratories Consumer Care, Inc., located in Edgewood, Maryland, focuses on researching and developing products to promote consumer health. Nutramax Veterinary Sciences, Inc., located in Lancaster, South Carolina researches and develops high-quality products to support animal health. Cosamin® Joint Health Supplements, including the original Cosamin®DS and the advanced formula Cosamin®ASU, help to support and promote joint health. Cosamin® is the #1 researched glucosamine/chondroitin brand▲. Learn more at

* Lomonte ABV, Mendonça JA, de Castro Brandão G and Castro ML. Multicenter, randomized, double-blind clinical trial to evaluate efficacy and safety of combined glucosamine sulfate andchondroitin sulfate capsules for treating knee osteoarthritis. Advances in Rheumatology. 2018; 58:41.

▲Based on published studies in U.S. peer-reviewed journals, the Cosamin® brand, is the most researched glucosamine/chondroitin brand.

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