Most people can prevent it by eating enough meat, poultry, seafood, dairy products, and eggs
If you have been titrating up through 2.5mg, 5mg, 7.5mg, 10mg, and 12.5mg, you already know that each dose escalation brings its own adjustment period
Image source Adequate stomach acid and enzymes are required to free B12 from the proteins it is bound to in food
The quality of medication is great
The discrepancy is too large to be dismissed as a chance finding, suggest the researchers, but could be the result of publication biassome studies might have been prioritized for publication because of the positive nature of their results whereas the unpublished datasets used in this study would not have been affected by any failure to publish null results
Intended strictly for laboratory research use