Naturebox Coupon: Save $10 on $20 Order! Last updated by Hello Subscription on August 28, 2018. Subscription Box Coupons & Deals / Naturebox Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification NatureBox is offering $10 off your first $20 NatureBox purchase when you use coupon code TENOFF! OR get a free box when you pick up the Naturebox FREE trial offer!