The BUD is the date or time after which the preparation should not be used
Most of that research is preclinical rather than large human trials
Determining the correct B12 dosage can be tricky, as the appropriate amount depends on factors such as age, the severity of deficiency, and any coexisting conditions
This is only for Research purpose it is not for human consumption, veterinary use or therapeutic application or any diagnostic purpose
The desire for rapid results is understandable, but chronic conditions developed over months or years rarely resolve in weeks
Recommended daily intake for adults in the UK is 1.5 micrograms, easily achieved through a balanced diet including meat, fish, dairy products, and fortified foods