Amazon is offering a $10 off $20 Whole Foods Coupon when you start a 30-day Free Trial of Amazon Prime for a limited time. To qualify, you must sign-up for Prime by April 30, 2019, 11:59 pm pst. Promotional coupon may only be used on purchases at Whole Foods Market and Whole Foods Market 365 stores in the United States. Coupon expires on May 31, 2019, 11:59 pm pst.