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I will update this post with Yok3d Stacks when they are officially launched. As of right now, there are no official Yok3d stacks or product combinations. Most likely Yok3d could replace Jack3d in a variety of USP Labs Stacks that include Pink Magic, Prime, and more. Check back soon.
Warning about stacking Yok3d with Jack3d from a USP Labs employee:
Ideally, you want to dose Yok3d free from products that may elicit a vaso-contricting effect. For some, depending on dosage and personal tolerance, Jack3d may cause some degree of vaso constriction.
As you know, one of the many benefits of Yok3d is increased vaso-dilation. So as you can see, these two supplements, if not taken correctly, may have contradictory effects.
If Jack3d is something you refuse to leave out of your stack, I would at the very least advise to lowering the dose to some degree to allow Yok3d to express its full range of benefits to you my friend. http://www.usplabsdirect.com/forum/usplabs-jack3d/8132-jack3d-stacked-yok3d.html



Jack3d a vasoconstrictor? Arginine is the precursor to NO, right? NO is a vasodialator dilator. Please stop providing bad science to sell a product.
Ive been taking the jack3d along with the YOK3d.
. Im a thin guy with a fast metabolism. So to put on mass is really hard I just starting taking these 2 products a week ago. I’ve never had so much energy. I work out alot harder now when doing reps if I just taking a min when my body gets tired I can start all over again completely refreshed it almost feels like there is no limit. I’m working out longer I don’t feel tired after I’m done with my work out 30 minutes later I wanna do it all over again. I havnt noticed any side affects. Other than Im feeling like the hulk and wanna run a marathon lol. I’ve been working out hard the past few months and felt like i was getting nowhere I was ready to just give up until I ran across this product.