It's not really that expensive compared to other supplements. To achieve a realistic effect, substantial doses of expensive ingredients had to be used. 85% of supplements only sprinkle a small amount of the supplement. Look at formulas from many other supplements, and you will note that many do not contain the quantity that a serious interpretation of published literature would require . This practice of “salting" to produce an impressive list of ingredients but with ineffective amounts is one of the reasons why the supplement industry has such a bad reputation with experts that analyze these products in detail.