To No hype:
A. Check corpus bish
B. Tachyphylaxis is not the same as tolerance as I'm sure you know. Tachyphylaxis typically presents within a single period of use (e.g. one day). A great example of an ingredient that exhibits tachyphylaxis is methylphenidate, which shows loss of a response throughout the day (hence Concerta, which uses an osmotic to create an ascending dose release). Looking at the label of , I don't see anything that is particularly tachyphylactic in nature. Obviously caffeine and friends can create tolerance with time, but like you, I'm also trying to figure out why you developed tolerance so rapidly. Work with me here so we can make the most out of this tub for you...and more importantly, check corpus so we can directly communicate .