I take grapfruit juice with my products no matter what it is. also though, because I like grapefruit juice.
I think if you stack dhb & some pure g/f juice together, it will be the best option to go with for better absorbtion.
I also tried that trisobargen from anabolic xtreme, mixed it with g/f juice, but didn't really notice a difference like i did with just high dosed dhb & g/f juice.
simply grapefruit. <-best stuff.