24-week continuous: Mirrors the longest human trial duration
Similar findings were reported in two Cochrane database systematic reviews that analyzed the results from 15 trials involving over 20,000 women (91, 92)
No trial reported on clinical signs and symptoms of vitamin B 12 deficiency, health-related quality of life, or acceptability of the treatment scheme Orally taken vitamin B 12 showed lower treatment-associated costs than intramuscular vitamin B 12 in one trial
Supports immune defense mechanisms
In contrast, B complex injections offer a broader spectrum of B vitamins, catering to a wider range of nutritional deficiencies or health concerns
Severe Allergic Reactions: Anaphylaxis Anaphylactic reactions, although rare, are serious side effects of Vitamin B12 injections