Initial research (mostly done with glucosamine sulfate) was almost uniformly positive. However, later research has shed some doubt on the effectiveness of glucosamine sulfate. At this point, it is not entirely clear if the supplement really does work for arthritis.
(Click Does Glucosamine Work? for more information.)
Dietary supplements usually lack clear, evidence-based dosing information. However, the recommended dose for glucosamine sulfate has been clearly established.
(Click Glucosamine Dosage for more information.)
Glucosamine sulfate may potentially interact with some medications (see Glucosamine Drug Interactions).
It is not known exactly what to expect from an overdose with glucosamine sulfate. If you think you may have taken too much, seek immediate medical attention.
(Click Glucosamine Overdose for more information.)
Refer to the label of your individual product for information on how to best store glucosamine sulfate. Keep all medications and supplements out of the reach of children.