Quote Originally Posted by DrivenToRecover View Post
You feel any 5ar effects with curcumin plus bereberine? Not sufficient to crash but symptoms

In this study it increased bio availability by 2000% in the blood when combining the two.

Influence of piperine on the pharmacokinetics of curcumin in animals and human volunteers. - PubMed - NCBI

Normal tumeric is definitely ok, but that's quite potent combining an extract with 2000% absorption
I would personally stay away from tumeric extracts for that very reason, yes.