Subscription Offer: You can sign up for an auto-renewal scheme on the official Medi Cramp website for $29.99 per month even though not mandatory. One-time Offer: However, if you order a monthly pack: One bottle will cost you $49.99. Buy two bottles and receive One Free for $99.98 + Free and Fast Shipping Buy three bottles and get Two Free for $149.97 + Free and Fast Shipping.