I have a long question. I am taking a stack of N2KTS, Ancient Strength, Gear, Attack, Onslaught, Krill and Whey to Build Muscle. First question is has anyone experienced any side effects. I have had a bad experience with a former supplement company that had their products pulled because they found them to have illegal steriods in the ingredients. I am fearful of any stuff I try now and was wondering if anyone knows of any reason one should not take these products? I am not making any speculations or accusations, just a concern. I Just do not want to put anything in my body if I do not know what is in there. I take the companies at their word that what is on the bottle is truly what is in the product. Second question is the only one of the stack that says to cycle off is Ancient Strength after 4 weeks. Is there any reason to cycle of the other products?