Sundown Naturals is giving away FREE Sundown Multivitamin sample. To get a free Sundown multivitamin sample, be among the first 50,000 to sign up on the Sundown Naturals Facebook page. Complete and submit the form under the “gummie giveaway” tab to sign up. If you were among the first 50,000, Sundown Naturals will send your free adult gummy multivitamin sample, along with a $2.00 off coupon.