is it 3 yrs.old good take b12 injection Vitamin Shots: Uses, Intake Levels, and Safety Optimal Vitamin B12 Dosage and

Absorption and blood/cellular transport of folate and cobalamin: pharmacokinetic and physiological considerations

Recommended dosage as a dietary supplement 1ml per IM Injection, once a week or use as directed by physician

As we age, NAD+ production slows and the molecule breaks down more quickly, leading to lower overall levels in the body

Colchicine: Colchicine in doses of 1.9 to 3.9mg/day can disrupt normal intestinal mucosal function, leading to malabsorption of several nutrients, including vitamin B-12

Figure 4AC, the expressions of MAP-2 and Tau decreased after injury, and the Tau expression was significantly higher in the vitamin B12-treated group relative to the TBI group after 7 days

People with Absorption Issues If you have conditions like pernicious anemia or Crohns disease, you may need more frequent injections to compensate for poor absorption