If you use large amounts of vitamins and supplements then you may want to consider where you buy. Nowadays we have access to online superstores that contain more products and better pricing than the physical version. If you find a reliable vitamin warehouse online then you can save large amounts of money on minerals, vitamins and supplements. You can set recurring orders and forget all about them or even purchase bulk amounts and  receive free additional product. To reduce any risk you may feel, make sure that the brands are reliable and that your supplier is not a complete newbie.