what is the best over the counter joint medicine?
['The Vitamin Shoppe Joint Solution.', "Nature's Bounty Extra-Strength Complex.", 'Nutramax Cosamin DS.', 'Schiff Move-Free Advanced Triple Strength.', 'Schiff Glucosamine Plus MSM.', 'Healthy Joints System Glucosamine Chondroitin with MSM.', 'Bluebonnet Vegetarian Glucosamine MSM.', 'Solgar Glucosamine MSM.']