doi: 10.1158/0008-5472.CAN-17-1076
Verco J, Johnston W, Frost M, Baltezor M, Kuehl PJ, Lopez A, et al
Research is increasingly moving beyond conventional live formulations toward defined postbiotics, probiotictraditional Chinese medicine combinations, targeted delivery systems engineered with smart materials, and fecal microbiota transplantation
Because high-quality human data are limited, there is no universally accepted clearance time, so we emphasize individualized dosing, careful monitoring, and regular re-evaluation rather than assuming it is quickly or completely out of the system after a set number of days
& Brykin, M
However, controlled human trials have not been published, making evidence quality substantially lower than for Semax or Selank