vitamin b12 injection red Liquid Medication Vial for Health Boosts Stock Illustration Vitamin B12 injections are a

(There are several studies involving animals, but not human subjects.) What research does show is that people who are overweight tend to be low in vitamin B12

These generally show continued safety, but definitive long-term studies don't exist

While these injections can benefit some, they may not be suitable for everyone and can have adverse effects

Common side effects: Injection site discomfort Mild diarrhea Hot flashes Dizziness or itching Precautions: Avoid B12 injections if youre allergic to cobalt or have Lebers hereditary optic neuropathy

But understanding what these peptides, compounds, and treatments are and how they work is simpler than you think