In 1991, Ward Dean and John Morgenthaler published Smart Drugs & Nutrients: How to Improve Your Memory and Increase Your Intelligence Using the Latest Discoveries in Neuroscience. After 30 years of experimentation with these substances there are requests for frequencies that might be helpful. Some of the most commonly used smart drug frequencies are available here.
Related services

Limitless (9 volt nirvana) – Version 5.1
When the movie “Limitless” was released in 2011, we began working on frequencies to enhance memory, focus, and intelligence.

Annual Frequency Subscription
This subscription was created at the request of experienced researchers who know how to select the right frequencies and run them on their own machines.

Chlorovirus ATCV-1 – Version 1.0
US researchers have come across a virus that may make us stupider—and it’s turning up in the throats of otherwise-healthy people

Shingles (Herpes Zoster) – Version 2.1
Version 2.0 of Shingles frequencies contains updates from a recent case of shingles which included a new strain of the herpes zoster virus.

crAssphage (Stealth Fat Virus) – Version 1.1
Researchers at San Diego State University have discovered a gut virus that exists in more than half of the world’s population, and plays a key role in the onset of conditions including obesity and diabetes.