How Long2 Cycle Out B4 U Strat New Supp?

Hi,i was currently stacking beta 3 and Guggulbolic and i just fin the bottal up the other day.i know you have to cycle out the supp and all that but i just got a hold of THYRO-CUTS II made by S.A.N.,its kind of the same as gugg but only 10xbetter and i really want 2 start 2use it.my q is do i still have to wait to cycle out the beta 3 and Gugg b4 i start a new supp from a diffrent brand and if i do 4 how long do i wait to start the new supp?Guggulbolic & THYRO-CUTS II are both thyroid-enhancing supplements thats why i ask this Question.