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can i give blood if i have b12 injections vs Pills: Richmond's Complete Guide Vitamin B12 Injection Price: Costs
Description
2011;35(S2):p

Chan School of Public Health

[124] Other causes of B 12 malabsorption include bariatric surgery, pancreatic insufficiency, obstructive jaundice, tropical sprue, celiac disease, inherited intrinsic factor deficiency, and radiation enteritis affecting the distal ileum

Avoid repeated freeze-thaw cycles to maintain stability and ensure reproducible results