Both components are prohibited in sport under the 2026 World Anti-Doping Agency list
However, long-term data on maintenance without continued cycling remains limited, and individual responses vary
Pernicious anemia is different to regular anemia, as those with regular anemia are not missing the intrinsic factor (also known as IF), which is a protein found in the stomach that B12 needs to bond to in order to be absorbed by the body
Its naturally found in animal-based foods, but for a variety of reasons, many people struggle to get enough of it from their diets or supplements
The Research: Clinical Evidence and Findings When looking into any wellness trend, the research is the most important factor
A single injection can send a serum level into the thousands and keep it elevated for weeks or months