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 ...

Vitamin B12 helps your body turn food into energy, supporting your metabolism. People with obesity often have lower levels of vitamin B12. Low B12 levels can cause fatigue and brain fog, making it ...

This article was reviewed by Lynn Marie Morski, MD, JD. Key Takeaways: Tirzepatide with B12 is sometimes combined as a weekly injection for weight loss. Vitamin B12 supplementation may reduce fatigue ...