Hi Peppermint,
When I take Nal, I feel groggy shortly afterwards. I may be groggier in the AM but I was always groggy so I don't know if it has changed.
Stay with Nal. Don't chemical hop. Use it exactly as Eskapa prescribes in his book. The protocol is for 4 months minimum and then you must take it before you drink, for the rest of your life.
But most people loose interest in driniking (we don't have the best of memories) after 4 or five months and choose not to drink at all.
The dangerous part is using Nal and then quiting Nal but continuing to drink because there is a rebound effect,
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