Amazon offers the Nature Made Vitamin D3 1,000 IU Liquid Softgels 100-Count Bottle for $2.32 with free shipping via the directions below. That's the lowest total price we could find for a similar quantity by $3. It purports to improve bone and joint health and strengthen the immune system.

1. View the Nature Made Vitamin D3 1,000 IU Liquid Softgels 100-Count Bottle for $3.49
2. clip the $1 off coupon on the product page to drop it to $2.49
3. check out via Subscribe & Save for a final price of $2.32