Essential amino acids, or EAAs, are amino acids that our body needs but cannot produce on its own, and there are 9 of them: Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.

本，简称 EAA，是我们身体需要但不能自己产生的，其中有 9 种：组，异亮，亮，赖，蛋，苯丙，苏，色缬。

Aspartame is broken down to phenylalanine, aspartic acid, and methanol.

阿斯巴甜分解成苯丙、甲醇。

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，因为这两者是几乎存在于所有蛋白质中的。

And you'll see tryptophan, and tyrosine, and phenylalanine, and quinone gas, and lactic acid, cholesterol.

你会看到色、酪、苯丙、醌类气体、乳、胆固醇等成分。

For example, the essential amino acid, we'll just pick a brain one, tryptophan for serotonin production, or threonine for mucin production in the gut, which helps the gut lining, or, you know, take your pick, phenylalanine.

例如， 必需，我们随便选一个， 色用于血清素的生成，或者苏用于肠道黏液的生成，这有助于保护肠壁，或者是苯丙。

These are flagged up by lower than normal levels of things like leucine, glycerol and phenylalanine Your local environment breathing in polluted air has a marked impact on the profile of your metabolites.

这些标志是由亮、甘油苯丙等物质低于正常水平引起的。你所处的环境，比如吸入污染的空气，会对你的代谢物谱产生显着影响。