how many weeks of b12 injections to resolve anemia Vitamin Injection Dosage Oral vs. Intramuscular Vitamin B12
Description
BMJ 366

The takeaway is simple

Considerations for Patients with Malabsorption Disorders Those with malabsorption issues, like celiac disease or Crohns disease, might need more B12

NAD+ in Alzheimers disease: molecular mechanisms and systematic therapeutic evidence obtained in vivo

130,132 In a randomized controlled trial in 200 postmenopausal women, 1 gram of royal jelly, taken daily for eight weeks, led to greater reductions in menopausal symptom scores than placebo

No, diarrhoea is an uncommon side effect of vitamin B12 supplementation
