what is vitamin b12 injections good for A Vitamin B12 injection a quick shot that gives your body vitamin B12 directly into the muscle. This helps your body absorb it faster than tablets. Vitamin B12 helps Vitamin B12 Injections: Boost Energy,

Oral B12 absorption can be hindered by digestive limitations

Adult weight change and risk of postmenopausal breast cancer

Because IV infusions deliver nutrients directly into the bloodstream, reactions can sometimes manifest faster than with intramuscular injections

Some patients still benefit from B12 shots and benefits like steadier energy across the day, especially if intake has dropped alongside appetite

That said, signs or symptoms that you may be low in vitamin B12 include: fatigue pale skin headaches symptoms of depression stomach issues difficulty focusing or concentrating pain or inflammation in the mouth or on the tongue burning or pins and needles feeling in your hands or feet muscle cramps vision changes Learn more: Signs and symptoms of B12 deficiency