Kirkland Signature Extra Strength Energy Shot provides instant energy for mind and body. It's formulated with a system of nutrients and B-vitamins proven to increase the energy producing capacity of the body, both mentally and physically. This liquid shot contains a proprietary energy blend formulated to boost energy levels. It also provides a healthy source of many B-vitamins – B3, B6, B12 and Folic Acid – involved in carbohydrate energy metabolism, beneficial amino acids including L-Tyrosine, L-Phenylalanine and Taurine, and the brain boosting nutrient Glucuronolactone to help enhance mental focus and concentration. -Traveling is tough! Lack of sleep, time-zone changes, crammed schedules. Hit the ground running with a Kirkland Signature Extra Strength Energy Shot! -Energy when you need it. Like before workouts or afternoon meetings, or whenever it’s not convenient to grab a cup of coffee. -Faster intake means faster acting. -Maximize your time. A Kirkland Signature Extra Strength Energy Shot can help you get the most from your day and be more productive. -And there’s no sugar crash – because there’s zero sugar in a Kirkland Signature Extra Strength Energy Shot! Kirkland Signature Extra Strength Energy Shot is convenient and delicious, packaged with 48 bottles (2 fl oz each) into a box containing a variety pack of 2 delicious flavors including: 24 bottles of Berry and 24 bottles of Blue Raspberry flavored energy shots. You can grab one of these shots for an extra boost of energy or concentration before a workout or physical activity, when you wake up to get you going for the day, when you need a shot of energy at work especially after lunch, or when you are traveling and jet lag begins to set in. A 2 oz Extra Strength Energy Shot has 190 mg caffeine, 5 calories, 40 mg Vitamin B6, 500 mcg Vitamin B12, and a 2,110 mg Energy Blend) versus an. 8 oz coffee, which has 184 mg caffeine, 1 calorie, no vitamin B6 or B12, and no energy blend.