There's a book called the diet cure that I'm reading that gives advice on psychological issues, drug, alcohol and sugar addiction. Amino acid therapy might help with anxiety and withdrawal/craving issues with regards to alcohol and sweets for example. It talks about how brain chemistry is altered which leads to a person going for quick fixes that supply the brain with energy, serotonin, feel good chemicals etc. Apparently 5-HTP and L-glutamine feed the brain, chromium regulates blood sugar control and B vits (and other supps are supposedly good like kudzu). I think amino acid and chromium therapy could at least help with the alcohol cravings and energy.
I'm no expert but I think you should look into it, it could help.
"My mom made two dishes: Take it or Leave it." -- Stephen Wright, comedian