Vitamin B12 is an essential vitamin, and low levels are linked to obesity. B12 shots could improve fatigue if you have a deficiency, but there’s not much research on them as a weight loss treatment.

Tirzepatide (Mounjaro®, Zepbound®) is a once-weekly diabetes and weight loss medication. Compounded tirzepatide is sometimes combined with vitamin B12 to provide additional health benefits. We’ll ...

Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Take vitamin B12 on an empty stomach in the morning or early afternoon to maximize absorption and avoid sleep disruptions.Vegans, older adults, ...

Vitamin B12 helps your body make red blood cells, maintain nerve health, may boost energy levels, and support a good metabolism (turning food into energy). Some research suggests that people ...

Think you know vitamin B12 deficiency? Know common myths, real symptoms, risk factors, and who truly needs testing to prevent ...

This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: There’s not much research on B12 shots for weight loss. People with obesity tend … ...