An example of this is called phenylketonuria, or PKU for short.

这方面的一个例子叫做苯丙酮尿症，简称 PKU。

Outside of people with a rare genetic disorder known as phenylketonuria, phenylalanine and aspartic acid are generally safe to consume, since they're amino acids that exist in pretty much any protein source.

除了患有罕见遗传性疾病-苯丙酮尿症的人之外，其他人通常可以安全食用苯丙氨酸和天冬氨酸，因为这两者是几乎存在于所有蛋白质中的氨基酸。