Seems a bit dodgey to me, extremeacaiberry.com terms:
I understand that by ordering Acai Berry Power 500, I am agreeing to receive Acai Berry Power 500 for a 14-day trial period (days of availability for actual usage could be less depending on shipping time) beginning on date of order. £2.47 (non-refundable) for P&P. I understand, I may be charged a non-refundable international transaction fee from my bank, for each payment made. I understand that unless I cancel by calling 877-350-8480 within this 14-day period, beginning on the 15th day my credit card will automatically be charged $89.31 USD (Free Shipping) for a 31 day supply of Acai Berry Power 500 to be shipped at that time to my door. Thereafter, until and unless I cancel, my credit card will automatically be charged an additional $89.31 every 31 days for a new supply of Acai Berry Power 500. I understand all charges(including trial) are in U.S. dollars and all charges will change depending on current international exchange rate. I understand that I may cancel any future shipments Monday through Friday by calling 877-350-8480. Our hours of operation are from 8am to 5pm MST.I understand that this consumer transaction involves a negative option and that I may be liable for payment of future goods and services, under the terms of this agreement, if I fail to notify the supplier not to supply the goods or services described.
We do not accept returns on any products that have been shipped.