doi:10.1002/14651858.CD004655.pub3 3
Typically, before a drug can be marketed, it must pass through a series of clinical trials, in order to identify safe dosages and to determine that any positive outcomes are due to the substance itself, and not to bias in the study design
Archived from the original on June 5, 2025
These may include tingling or numbness in the hands and feet, often described as pins and needles, or general muscle weakness
But its also the least safe, least effective, and most demanding type of B12
Human efficacy and long-term safety data are not yet available, so applications remain strictly within laboratory research