Psyillium Interferes w/ Other Supplements?

Just want to check in on this: i’ve been told NOT to take my HRX & other Biotest supps first thing in the morning–because I tend to down a scoop of superfood mixed with psyillium at the same time. Apparently the psyillum interferes with correct/full absorbtion of the supplements. Can anyone give guidance on whether this is true or not? thank-you.