Instaflex and Joint Pain in Community Adults

The Instaflex supplement contained the following ingredients (in 3 capsules): Glucosamine sulfate (1500 mg), methylsulfonylmethane (MSM) (500 mg), white willow bark extract (standardized to 15% salicin) (250 mg), ginger root concentrate (50 mg), boswella serrata extract (standardized to 65% boswellic acid) (125 mg), turmeric root extract (50 mg), cayenne 40m H.U. (50 mg), and hyaluronic acid (4.0 mg).

The placebo capsules will contain magnesium stearate, an inert substance.