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Following an application from Merck Consumer Healthcare, submitted pursuant to Article 13(5) of Regulation (EC) No 1924/2006 via the Competent Authority of Belgium, the Panel on Dietetic Products, Nutrition and Allergies was asked to deliver an opinion on the scientific substantiation of a health claim related to glucosamine, formulated as glucosamine sulphate or hydrochloride, and maintenance of normal joint cartilage. Glucosamine is sufficiently characterised. The claimed effect is “contributes to the maintenance of normal joint cartilage”. The target population as proposed by the applicant is the general population, and in particular people exposing their joints to high mechanical load and people with joint cartilage deterioration due to normal ageing. The Panel considers that the maintenance of normal joint cartilage is a beneficial physiological effect. The applicant provided references to studies in patients with osteoarthritis, in healthy subjects, in animals and in vitro as being pertinent to the health claim. In weighing the evidence, the Panel took into account that no human studies were provided from which conclusions could be drawn on the effect of dietary glucosamine on the maintenance of cartilage in individuals without osteoarthritis, and that the evidence provided in the in vitro and animal studies in support of the biological plausibility for a possible contribution of dietary glucosamine to the maintenance of joint cartilage in humans is weak. The Panel concludes that a cause and effect relationship has not been established between the consumption of glucosamine and maintenance of normal joint cartilage in individuals without osteoarthritis.
Original languageEnglish
Publication date2012
Place of publicationParma, Italy
PublisherEuropean Food Safety Authority
Number of pages20
DOIs
StatePublished
NameThe EFSA Journal
Number2691
Volume10(5)
CitationsWeb of Science® Times Cited: No match on DOI
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