Table 4.

Exemplary orally administered glucosamine sulfate and glucosamine hydrochloride available in Poland, on the basis of Pharmindex [43].

Exemplary Medicinal Product (ex. Brand Name)	Oral Dosage (Only for Adults)	Maximum Daily Dose	Additional Information
Glucosamine sulfate (Arthryl)	1500 mg once a day	1500 mg	Glucosamine is not used in children and adolescents under 18 years of age and should not be taken during pregnancy and breast-feeding. Glucosamine can be combined with NSAIDs and analgesics in case of the exacerbation of the symptoms.
Glucosamine hydrochloride (Flexove)	625 mg × 2 once a day	1250 mg	Glucosamine is not used in children and adolescents under 18 years of age and should not be taken during pregnancy and breast-feeding. It may increase the effect coumarin anticoagulants (i.e., warfarin).
Chondroitin sulfate sodium and Glucosamine hydrochloride (Chronada)	2 capsules 3 times a day 1 capsule contains: 200 mg Chondrotine sulfate + 250 mg Glucosamine hydrochloride	1200 mg CS + 1500 mg GH	Chronada is not used in children and adolescents under 18 years of age and should not be taken during pregnancy and breast-feeding. It may increase the effect coumarin anticoagulants (i.e., warfarin) or antibiotics (i.e., tetracyclines).

CS—chondroitin sulfate, GH—glucosamine hydrochloride.