NSAIDs with longer half-lives, such as piroxicam (Feldene), are associated with greater risk of gastrointestinal bleeding than those metabolized more quickly (Roth 2011)
Taken together, the major hindrances for nasal delivery include low absorption of large molecules, possible enzymatic degradation in the nasal mucosa, and the clearance by rapid action of mucociliary transport (Khafagy et al., 2009a
The best way to avoid the potential side effects of too much vitamin B12 is to get the majority of your vitamin B12 from nutrient-rich food sources, including meat, poultry, seafood and dairy products
PMID: 142 PeiAMaYGaoMZhaoQ
These are essential prerequisites for the clinical application of stem cell therapy
In addition, vitamin B12 is needed to produce myelin and is important for axon and nerve development