Celebrate Vitamin D3 5000IU Quickmelt Tablets 90ct Sale! from 1099 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Our 5000 IU (125 mcg) and 25000 IU (625 mcg) were developed using dry, water miscible vitamin D3. Our quick melt tablets also utilizes our quick-melt technology and is available in orange flavor.