Article: The way to eat: goodbye Atkins, hello carbs ... weight and a sluggish thyroid ... thumbs up to a pair of arthritis supplements. David L. Katz, MD, answers your questions.(body wise)

Q What's your opinion of glucosamine and chondroitin? How long does it take for them to reach full effectiveness?

--LINDA REED, NEW FREEDOM, PENNSYLVANIA

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Both glucosamine and chondroitin are natural components of human joint cartilage. As supplements, they show promise for relieving osteoarthritis pain, inhibiting joint inflammation, and protecting--perhaps even regenerating--healthy cartilage. Glucosamine supplements are typically made from shrimp, lobster, or crab shells; chondroitin is usually derived from cow cartilage. So far, clinical trials suggest that glucosamine and, possibly, chondroitin are as effective for ...

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