B12 10,000% plus extreme energy will help you maintain good health for 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 capsule to help supplement what you may be missing in your daily diet. Stacker 2 B12 provides 10,000% of the recommended daily values of vitamin B12. B12 plus extreme energy from NVE Pharmaceuticals - the original manufacturers of the complete Stacker 2 line as well as the original Stacker 2. The World's strongest fat burner, who have been a market leader in diet and energy supplements for for 35 years.Contains 10,000% RDI of vitamin B12.