can b12 injections cause iron overload Best Vitamins for Energy: B12, Iron, and More Can low vitamin B12 (cobalamin)
Description
At Clark IV Infusion Therapy Center in New Rochelle, the B12 shot is one of our quickest and most popular visits
Oral Supplements Timeline People who take Vitamin B12 supplements in tablet or capsule form usually experience improvements after a period of 2 to 4 weeks

I mention the bottom as I imagine it would hurt less

Vitamin Injections : Quick, single nutrient boosts delivered intramuscularly (ideal for energy, skin, or immune support)