It literally says “GRAS must meet the same standards as new additives”.
The only reason GRAS exists is that FDA regulations have changed over time.
Unless you wanted all food additives immediately banned until years of tests could be conducted, the FDA created GRAS based on the evidence at the time but also required additional studies to bring existing additives up to the same safety standards as new additives.
Feel free to click on any of the GRAS decisions to read all about the studies done.
It literally says “GRAS must meet the same standards as new additives”.
The only reason GRAS exists is that FDA regulations have changed over time.
Unless you wanted all food additives immediately banned until years of tests could be conducted, the FDA created GRAS based on the evidence at the time but also required additional studies to bring existing additives up to the same safety standards as new additives.
Feel free to click on any of the GRAS decisions to read all about the studies done.