Once I finish my first cycle of 3 weeks with Animal Test and Animal Stak, can I start another cycle? Rudy Checo December 29, 2021 15:59 Updated Starting Another Cycle Yes, if you feel you can handle another round of the two products, go for it. After the second cycle, cycle off with Animal M-Stak. If you have further questions please reach out to our support staff at email@example.com or send a contact request here. Related articles How long can I cycle the Test Explosion Stack? Comments 0 comments Please sign in to leave a comment.