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The deposition of the powder and absorption of the drug from a powder formulation for nasal delivery depends on many factors, including the shape and size of powder particles, solubility, and flow characteristics [18]
For general wellness, weekly or bi-weekly B12 shots are common
The panel agreed that initial treatment should be parenteral for severe cases, while high-dose oral B12 can be considered for maintenance
Smoday I.M., Petrovic I., Kalogjera L., Vranes H., Zizek H., Krezic I., Gojkovic S., Skorak I., Hriberski K., Brizic I., et al
"It plays a key role in the function of the brain and nervous system, and it's crucial to red blood cell production in the bone marrow