the fine print
Free The Longevity Diet book valid from 12:00 AM ET on 3/24/2020 to 11:59 PM ET on 3/30/2020, or while supplies last. Valid with purchase of The Prolon Diet. Limit one sample per customer. Promotion is one-time use only and is nontransferable, nonretroactive, and nonrefundable and cannot be combined with any other offers or promotions. Promo code must be applied at time of order. This offer is available only at http://shop.goop.com. Limited to US residents only. No adjustments on previous purchases. Goop Inc. reserves the right to modify or terminate this offer at any time without notice and/or to substitute a product of equal or greater value in the company’s sole discretion.