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again, this is relevant mainly for oral supplementation, but it suggests caution in patients taking separate high-dose biotin supplements
While spirulina, dried nori, barley grass and most other seaweeds contain some B12 (dirt even contains some), consuming these foods hasnt been shown to provide enough B12 to vegans
Occasionally, a bone marrow biopsy is done to help confirm the diagnosis
Veterinary testing: Veterinary Testing-Picture Courtesy: Cats.com There are some tests performed to confirm the effectiveness of vitamin b12 injection for cats
Importantly, even with bacteriostatic water, practice good sterile techniquebenzyl alcohol is not a substitute for proper handling