It depends on the case; there is no single guideline.
In 106,000 French adults, 48 additives were consumed daily by more than 10% (modified starches and citric acid, >90%), including several with safety concerns in experimental studies (carrageenan, nitrites, phosphates, acesulfame-K, sucralose, glutamate). It is an exposure map, not a harm map: the effect of mixtures remains to be studied.
View the study (observational study (exposure)) →Diet · Highest evidence: Low · 1 finding
Information, not medical advice. Prescription drugs require a doctor.
Information, not medical advice. Scientific evidence reflects the quality of the studies.