dihexa retracted paper controversy What a massive database of papers reveals about science publishing's 'death penalty' | Science Springer Nature retracts, removes nearly

Others (like BPC-157) are classified as research compounds but have extensive safety data from clinical studies

The patients comfort level, age, sex, physique, and health goals may also determine the injection location

They can only look at safety. But three former FDA officials closely familiar with how the agency created the criteria to assess the peptides in the first place say Kennedy has mischaracterized their work

used smFRET in combination with molecular dynamics simulations to demonstrate that the microtubule-associated protein tau undergoes conformational transitions from compact to extended states during LLPS (Wen et al., 2025)