Often they're referred to as nootropics.

它们通常被称为益智药。

Silicon Valley types have been experimenting with other stimulants, such as nootropics, which are not in shortage.

硅谷的人一直在试验其他兴，如一些聪明药，但这些药品并不短缺。

It helps that it is hard to say whether nootropics actually work.

很难说益智药是否真的有效。

More recently the real-life version of nootropic supplements, as such boosters are called, have received celebrity endorsements.

最近，现实生活中的益智补充（即所谓的促智增强）已经获得了名人的认可。

Unofficially, the drugs are also popular with devotees of " nootropics" —chemicals that supposedly boost brainpower.

非正式地说， 这些药也很受“促智药” （据称可以增强脑力的化学质）爱好者的欢迎。

So I got the brain booster, which has turmeric, ginger, kombucha, and a bunch of nootropic sprinkled in.

所以我买了健脑，里面有姜黄、生姜、康普茶和一些促智药。

It turned out it was in fact too much Lion's mane, a mushroom with supposed nootropic benefits.

事实证明，这实际上是因为食用了过多的（一种据称具有益智功效的蘑）。

Andrea Utley, an expert in motor control and development at the University of Leeds and a self-professed nootropics sceptic, tested one supplement.

安德里亚·乌特利（Andrea Utley）是利兹大学（University of Leeds）的运动控制和发展专家， 自称是益智药怀疑论者，她测试了一种补充。

In a popular genre of TikTok videos, influencers film themselves performing elaborate morning routines in which they submerge themselves in ice baths, recite affirmations and mindfully prepare nootropic coffees.

TikTok上有一种流行的视频类型，网红们拍摄自己进行繁复的早晨例行活动，他们会泡冰浴、背诵正能量话语、精心准备提神益智咖啡。

Polaris, a research firm, reckons global sales of nootropics, which hit $11bn in 2021, will grow at an average annual rate of almost 15% until 2030.

研究公司Polaris估计，到2030年， 全球益智药的销售额将达到110亿美元， 年均增长率将接近15%。

Nootropics are usually an alphabet soup of ingredients: amino acids such as L-theanine, herbal extracts such as ashwagandha, probiotics, vitamins and a bewildering variety of mushrooms.

益智药通常由各种成分组成：氨基酸（如L-茶氨酸）、草药提取（如南非醉茄）、益生菌、维生素和各种令人眼花缭乱的蘑。