Maintaining good health is essential these days; it requires a lifestyle of exercise, rest and healthy eating. Healthy eating helps you acquire the vitamins and minerals you need to develop a strong immune system. However eating healthy is not always easy. That's why Stacker 2 has developed a new shot to help supplement what you may be missing in your daily diet. Stacker2 B12 10,000% Energy Shots provide 10,000% of the recommended daily value of vitamin B12.