The legislation states that a food additive may be authorized only if it is safe in use, if there is a technological need for its use, if its use does not mislead the consumer and if it has advantages and benefits to consumers.
Nesen pabeigti pētījumi liecina, ka azo krāsvielas var nelabvēlīgi ietekmēt bērnu veselību, izraisot alerģisku reakciju vai hiperaktivitāti.