please read this article which states:

"And then there is the carb issue. Followers of Robert Adkins ("Dr. Atkins' Diet Revolution") and other low-carb advocates now count carbohydrates more carefully than calories. The Atlanta Journal-Constitution recently quoted Adkins spokeswoman Colette Heimowitz as saying while Atkins discourages the use of alcohol in the beginning phases of the diet (the "induction" phase), "if somebody doesn't mind slowing down their weight loss it's fine to add the lower carb beers, as long as they add it into the total carbs for the day and don't go beyond their critical carb level."

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where you may also find the whole article! Good Luck!