L-tyrosine may have a similar effect but cheaper. It certainly can replace the d... | Hacker News

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		aantix on Jan 11, 2015 \| parent \| context \| favorite \| on: My experiment with smart drugs (2008) L-tyrosine may have a similar effect but cheaper. It certainly can replace the daily cup of coffee for focus.

Xophmeister on Jan 12, 2015 [–]

I always suspected cheese was the answer

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