B12 EXTREME ENERGY 10,000% 4 CAPSULES /CARD 24 CARDS/DISPLAY (96 CAPSULES) Vitamin B12 is a water-soluble vitamin which performs a key role in regulating the brain and nervous system. B12 also supports the formation of red blood cells, which carry oxygen from the lungs to the rest of the body.+ Vitamin B12 helps to maintain the proper metabolism of protein, fat and carbohydrates.+ This synergistic blend of B-Vitamins, L-Tyrosine and Caffeine supplies an extreme boost of energy. B12 10,000% plus Extreme Energy Maintaining good health is essential these days; it requires a life style 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. Stacker 2 Energy Shot B12 provides 10,000% of the recommended daily value of vitamin B12. B12 is a water-soluble vitamin that plays an important role in supporting the formation of red blood cells.