why do you need to have b12 injections What are the benefits of injection? Best Vitamin B12 Injection Site:

The current guidelines for dosage are: 400 IU for infants 0-12 months 600 IU for children and adults 1-70 years old 800 IU for people older than 70 Many vitamin D supplements on the market can exceed the recommended dosage, some even containing up to 5,000 IU per pill

Pale or jaundiced skin , often linked to megaloblastic anemia from inadequate B12

N., Oliver, M

This tier has the highest rate of independent testing failures in community reports including product that tests as sterile water with no benzyl alcohol, sub-spec preservative concentrations, and endotoxin levels above USP limits

For instance, those allergic to cobalt or with Leber's disease should avoid vitamin B12 injections