If you are on a Nutrisystem program and would like to help your friends with their own goals and earn a promo code, you can refer a friend to sign up. To get started, click the “Refer a Friend & Save $30” link at the bottom of nutrisystem.com. You’ll see a unique referral link that you can copy to your clipboard or share via email or Facebook. If you share your promo code with a friend, and they sign up for a plan, they will save $30 on their first order. You will get a $30 Nutrisystem promo code, which you can use to save on your next order.