If you've been reading all about recent health trends, you must've heard about magnesium's amazing qualities when it comes to reducing stress. If you'd like to try it out for free, Natural Stacks is offering this great rebate offer. Simply click the "get sample" button and enter your phone to participate in the rebate offer. Find a bottle at your nearest retailer and text them your receipt. You'l receive your money back via Venmo/Paypal. Enjoy!