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b12 injections versus pills Vitamin vs. Supplements: Which is Right for You? Ask the doctor: B12 shots
Description
However, it is crucial to note that it should not be used in patients with a known allergy to cobalamin or cobalt
C.et al (2016)
Consistency daily injections without skipping days

The injection is their only source of B12

Do not recap the needle to prevent accidental needle-stick injuries
