TweetNo one has mentioned aromatization into estrogen. Tren doesn't aromatize and deca aromatizes much lest than test. A big reason to stack is to limit the amount of estrogen produced on cycle and lessen the need for aromatase inhibitors. Also, some compounds (like tren) are more androgenic than test and will make muscles harder, increased aggression etc.
TweetVery true all aas can be used to cutt or bulk it depends on ur goals and diet on how u get the results that each aas can produce test produces all types of results but there are different types of test each one works different