Naturebox Flash: Save 25% Off Your First Order! Today Only! Posted by Hello Subscription on July 10, 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 25% off your first NatureBox purchase when you use coupon code NEW25! TODAY ONLY! New customers only. Max discount $15. OR get a free box when you pick up the Naturebox FREE trial offer!