Nitro 2 Go Double Shot Berry is a 2 serving size energy shots (4oz bottle). Its quickly became the no nonsense way for working adults to stay focused and productive. It’s packed with a 6100mg Energy blend per serving, B-vitamins for energy and amino acids for alertness and focus. Only has as much caffeine as a cup of premium coffee. The four-ounce energy shot takes just seconds to drink and in minutes you’re feeling bright and alert. And that feeling lasts up to 7 hours per serving size. Blended to taste great straight from the bottle or mix it with a bottle of water.