Very unlikely: Instaflex is a dietary supplement advertised to restore flexible joint movement and fight joint pain. Its main ingredients include Glucosamine, MSM, and White Willow Bark and also includes Ginger Root, Hyaluronic Acid, Turmeric Root, Boswellia Serrata and Cayenne. In general, these ingredients are neither associated with any harmful side effects nor are they harmful to normal kidney function.
Answered 12/19/2017
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