Birchbox Man Coupon: FREE Hims Vitamins with Subscription! Posted by Hello Subscription on June 15, 2018. Father's Day Deals & Gift Boxes / Subscription Box Coupons & Deals / Birchbox Man Coupons Hello Subscription may earn compensation via links in this post. Read the full disclosure Save for Later Notification For a limited time when you subscribe to Birchbox Man and use coupon code VITAMINS you’ll get a supply of hims multivitamin gummies – a $16 value! Valid for new subscribers only. While supplies last.