Studies

DONA™ Crystalline Glucosamine Sulfate is the brand with the MOST clinical proof. It is the ONLY brand proven effective in 2 separate 3 year studies published in prestigious medical journals. To prove that DONA™ is the brand with the most long-term clinical proof, we have included all the studies in their entirety for customers to view any time.

While many brand have retired athletes and celebrities as spokespeople, We Have the Research!

	January 27, 2001 • The Lancet • Vol 357 Long-term effects of glucosamine sulphate on osteoarthritis progression: a randomised, placebo-controlled clinical trial Click here to view Abstract >>
	October 14, 2002, Archives of Internal Medicine Glucosamine Sulfate Use and Delay of Progression of Knee Osteoarthritis, 2002 American Medical Association Click here to view Abstract >>
	2003 Osteoarthritis and Cartilage Correlation between radiographic severity of knee osteoarthritis and future disease progression, 2003, OsteoArthritis Research Society International Click here to view Abstract >>
	2004, OsteoArthritis Research Society International Glucosamine Sulfate Prevents Total Joint Replacement In The Long-Term Follow-Up Of Knee Osteoarthritis Patients, Arthritis Rheum, 2004 Click here to view Abstract >>
	2004, Menopause: Vol 11, No. 2 Glucosamine sulfate reduces osteoarthritis progression in postmenopausal women with knee osteoarthritis: evidence from two 3-year studies, 2004, The North American Menopause Society Click here to view Abstract >>
	2005, OsteoArthritis Research Society International Glucosamine oral bioavailability and plasma pharmacokinetics after increasing doses of crystalline glucosamine sulfate in man Click here to view Abstract >>
	2006, Future Medicine Use of Crystalline Glucosamine Sulfate in Osteoarthritis Click here to view Abstract >>
	February 2007, Arthritis and Rheumatism Glucosamine Sulfate in the Treatment of Knee Osteoarthritis Symptoms Click here to view Abstract >>
	Issues From The Great Debate The Effecacy of Glucosamine Sulfate in Osteoarthritis Click here to view >>
	2002, Archives of Internal Medicine Glucosamine Sulfate Use and Delay of Progression of Knee Osteoarthritis
	2001, The Lancet Long-term Effects of Glucosamine Sulphate on Osteoarthritis Progression: A Randomised, Placebo-controlled Clinical Trial
	2004, Arthritis and Rheumatism Glucosamine sulfate prevents total joint replacement in the long term follow-up of knee osteoarthritis patients
	2005, Issue 2, The Cochrane Collaboration Glucosamine Therapy for Treating Osteoarthritis
	2005, Osteoarthritis and Cartilage Glucosamine Oral Bioavailablity and Plasma Pharmacokinetics after Increasing Doses of Crystalline Glucosamine Sulphate in Men
	2003, Osteoarthritis and Cartilage Glucosamine Inhibits - IL - 1B-Induced - NFkB - Activation in Osteoarthritic Chondrocytes
	2005, Arthritis and Rheumatism Effect of Glucosamine Sulfate on 6-Month Control of Osteoarthritis Symptoms vs Placebo and Acetaminophen