variants:
or chondroitin sulfate
Definition of chondroitin
: any of several glycosaminoglycans that occur in sulfated form in various tissues (such as cartilage and tendons) and are used in dietary supplements in a natural or synthetic form especially to treat the symptoms of osteoarthritis
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Merriam-Webster unabridged
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Time Traveler for chondroitin
The first known use of chondroitin was in 1895
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