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A comment on How to Study Effectively. Parent comment

Re:How to Study Effectively by DiffEq on Wednesday September 01, 2021 @02:22PM (#28383707)
BioTest Z-12, except I take one, not the 2 or 3 they recommend. It it worth 10x its weight in gold.
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Re:How to Study Effectively by markus_zhang on Wednesday September 01, 2021 @02:37PM (#28383917)
I found this: https://www.reddit.com/r/quittingphenibut/comments/d8vazr/z1...

Not sure what it means though, but I would caution.

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Re:How to Study Effectively by DiffEq on Wednesday September 01, 2021 @09:49PM (#28387823)
I have been using this for years. I have never had the negative experiences that these people on the Reddit forum ascribe to it.
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