I et klinisk forsøg fik en 63- årig patient med kendt hjerte- karsygdom ved en fejl en overdosis 5- ALA HCl (3000 mg i stedet for 1580 mg).
Within a clinical trial, a 63-year old patient with known cardiovascular disease was accidentally given an overdose of 5-ALA HCl (3000 mg instead of 1580 mg).