Naturebox Coupon: Save $10 on First Order! Posted by Hello Subscription on March 12, 2018. Subscription Box Coupons & Deals / Naturebox Coupons . The links in this post may be affiliate links. Read full disclosure Save for Later Notification Save $10 on snacks from NatureBox! Use coupon code LUCKY10 to get the $10 off your first Naturebox. Valid to new customers only, ends 3/17. OR get a free box when you pick up the Naturebox FREE trial offer!