Loblaws and Your Independent Grocer have Jamieson Vitamin C and D on Sale for $5.99.
Use the $2 Coupon HERE and pay $3.99.
Also, Shopper's Drug Mart has Jamieson Vitamins A - D or Melatonin Products on sale for 40% off which you can apply the coupon to (I just don't have exact prices to offer).
And finally, Rexall has a BOGO 50% off sale on Jamieson Vitamins, which you could use two coupons for - and they are offering 30 bonus Air Miles (if you collect them).