Costco carries a variety of Schiff supplements. Two of them are these Schiff Glucosamine supplements. One with Glucosamine with MSM and the other is Glucosamine with Vitamin D3. There’s currently a $6 instant savings (no coupon needed, no purchase limits) for those 2 supplements. The discount is valid from 06/13/13 to 07/07/13. These are joint … Continue reading Schiff Glucosamine Supplement