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( Recently, vitamin B12 nasal drops were introduced as an alternative to the vitamin B12 injections and oral supplementation (hydroxocobalamin 5,000 mcg produced by CureSupport)

Its importance in maintaining safety standards in these contexts is paramount
Second, and this is just as important, the cold environment itself creates a hostile setting for any potential microbial contaminants that might have been introduced

Vegetarians and vegans are more likely to have a B12 deficiency because they dont eat animal products