Nature's Nitro2Go FirePower EX2 Extreme

Price: $2.29 Serving Size: 8.00oz. Servings Per Container: 2.0
Calories: 110 Carbohydrates: 27g Sodium: 180mg
Editor Rating: 5 of 10
User Rating: 6.05 of 10 with 45 reviews

Active Ingredients:
Well, obviously Taurine, Ginseng and Guarana, but also contains the following daily recommended allowance % per serving of the following: Niacin 100%, B6 250%, B12 80%, Pantothenic Acid 50%.

Nature's Nitro2Go

Price: $1.99 Serving Size: 8.40oz. Servings Per Container: 1.0
Calories: 20 Carbohydrates: 5g Sodium: 180mg
Editor Rating: 3 of 10
User Rating: 4.63 of 10 with 152 reviews

Active Ingredients:
It has some caffeine, but doesn't list anything else specifically. It does contain some Vitamins, including 250% of your daily B6.