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Allergy to vitamin B12: two cases of successful desensitization with cyanocobalamin
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The various settings and patients Liz has encountered over the years have enabled her to become very skilled at finding the smallest and most fragile of vessels
B12 injections are faster than oral supplements because the vitamin is delivered directly into the bloodstream without passing through the digestive system first
Thain A, Hart K, Ahmadi KR European journal of clinical nutrition 2025
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