How many milligrams of caffeine in Vanilla Java Porter Atwater Block Brewery have?

I do not have access to real-time information, including specific product details like caffeine content.

To find out the caffeine content of Vanilla Java Porter by Atwater Block Brewery, you should:

* Check the brewery's website: Most breweries provide nutritional information for their beers on their website.

* Contact the brewery directly: Reach out to Atwater Block Brewery via email or phone and ask about the caffeine content of their Vanilla Java Porter.

* Read the label: Check the beer label itself. While not always listed, some breweries include caffeine content on their labels.

Please note that caffeine content can vary depending on the brewing process and other factors.