Creatine 13 is the most advanced creatine blend science can create! Some creatine can convert to creatinine which can become un-bioavailable. By blending the four most powerful creatine sources together- it significantly reduces the likelihood of that happening. Creatine 13 has an added support and absorption blend which will enhance the absorption of this product and can increase your results. These two blends coupled together is a superior combination that will provide better results than creatine by itself.