Pay in 4 interest-free payments of $6.11 Learn more
Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Given 40-60% nasal bioavailability compared to 80-95% for injection, equivalent nasal doses would be approximately 400-1000mcg to achieve similar systemic levels
doi: 10.1002/BIP.22323 93 KhanY
Advancing the needle deeper may expose pelvic viscera and vessels to risk of injury
B12 shots take minutes and cost less per session, while IV infusions require 30 to 60 minutes and carry higher price points that reflect their expanded nutrient delivery and medical oversight
They can decide if B12 shots are right for them
US$ 22.92
)
)
US$ 29.16
US$ 22.34
US$ 25.97
