1000mcg/mL B12 is something that cannot be self-produced. As research subjects, we could all use a little boost sometimes!  Some of the potential benefits of B12 include a research subject's mood, energy, weight, red blood cell formation, and immunity having a positive impact.      All products sold on this site are INTENDED AS A RESEARCH CHEMICAL ONLY.This designation allows the use of research chemicals strictly for in vitro testing and laboratory experimentation only. All product information available on this website is for educational purposes only. Bodily introduction of any kind into humans or animals is strictly forbidden by law. This product should only be handled by licensed, qualified professionals. This product is not a drug, food, or cosmetic and may not be misbranded, misused or mislabeled as a drug, food or cosmetic.