How much caffeine is in a Nitro Can? P&R Team February 13, 2020 04:11 Updated Each Nitro can contains around 150-200 mg. Similar to what a similar sized brewed coffee has. Related articles Why Pioneer for Coffee Concentrate? I like Porter St. Do you charge freight on your Pure Black Nitro Can Subscription? What is the shelf life for Nitro Cans? How do I store my Nitro can? How do you drink the Pure Black Nitro Coffee? Comments 0 comments Please sign in to leave a comment.