Most users find it difficult and expensive to find a reliable source of to buy the product at local brick-and-mortar retail stores. It is far easier and cheaper to order the booster online from a reputable supplier that can ensure you get your regular supply of this life regenerating formula for a very competitive price. Some suppliers of the product charge a small supplementary fee for shipping while others factor in the price of packaging and shipping in the cost of their products. For customers living outside the continental United States, additional fees and regulatory costs may apply. Customers should always contact their vendor for current information on shipping costs and projected delivery dates.