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===Keamanan===
Berbagai studi klinis telah membuktikan bahwa glukosamin aman untuk dikonsumsi. Walaupun demikian, isu [[alergi]] masih sering mengikuti konsumsi glukosamin ini karena umumnya glukosamin diperoleh dari cangkang kerang dan semacamnya (walaupun pada kenyataanya, bahan alergen penyebab alergi ada di dalam daging kerang, bukan pada cangkangnya).<ref>Gray H, Hutcheson P, Slavin R. "Is glucosamine safe in patients with seafood allergy?" ''J Allergy Clin Immunol'', 2004; 114(2):459-60. PMID 15341031.</ref> Sumber alternatif lain adalah penggunaan cendawan pada fermentasi jagung. Beberapa sumber lain menyebutkan bahwa konsumsi berlebih glukosamin berkontribusi pada diabetes. <ref name="Buse"/> buttapi severalbeberapa investigationsreferensi havelain found no evidence that this occursmenyangkal.<ref>Scroggie DA, Albright A, Harris MD. "The effect of glucosamine-chondroitin supplementation on glycosylated hemoglobin levels in patients with type 2 diabetes mellitus: a placebo-controlled, double-blinded, randomized clinical trial," ''Arch Intern Med'', 2003 July 14; 163(13):1587-90. PMID 12860582.</ref>.<ref>Tannis A.J, Barban J, Conquer J.A. Effect of glucosamine supplementation on fasting and non-fasting plasma glucose and serum insulin concentrations in healthy individuals. Osteoarthritis Cartilage 2004; 12 (6): 506-511.</ref><ref>Monauni T, Zenti MG, Cretti A, Daniels MC, Targher G, Caruso B, Caputo M, Mc Clain D, Del Prato S, Giaccari A, Muggeo M, Bonora E, Bonadonna RC. Effects of glucosamine infusion on insulin secretion and insulin action in humans. Diabetes. 2000 49; 926-935.</ref> Terlepas dari isu tersebut, sebuah penelitian lain menunjukkan bahwa asupan glukosamin sesuai dosis yang dianjurkan tidak berpengaruh terhadap intolerasi glukosa dan resistensi insulin sebagaimana yang dikhawatirkan pasien diabetes.<ref>Anderson JW, Nicolosi RJ, Borzelleca JF. Glucosamine effects in humans: a review of effects on glucose metabolism, side effects, safety considerations and efficacy. Food and Chemical Toxicology. 2005; 43 (2): 187- 201</ref><ref>Muniyappa R, Kame RJ, Hall G, Grandon SK, Bronstein JA, Ver M.R, Hortin GL, Quon MJ. Oral glucosamine for 6 weeks at standard doses does not cause or worsen insulin resistance or endothelial dysfunction in lean or obese subjects. Diabetes. 2006; 55 (11): 3142-50.</ref><ref>Powels M, Jacobs JR, Span PN, Lutterman JA, Smits P, Tack CJ. Short – term glucosamine infusion does not affect insulin sensitivity in humans. J Clin Endocrinol Metab. 2001; 86:2099-2103.</ref><ref>Biggee B, Blinn CM, Nuite M, Sibert JE, Mc Alindon TE. Effects of oral glucosamine sulphate on serum glucose and insulin during an oral glucose tolerance test of subjects with osteoarthritis. Ann Rheum Dis. 2007, 66 (2): 260-262.</ref>
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