There is no single "correct" amount
Sources An open letter from Eli Lilly and Company warning of potential patient safety risks associated with tirzepatide compounded with vitamin B12 Eli Lilly and Company March 12, 2026 Lilly finds impurity in compounded version of its weight-loss drug, warns of health risks Reuters March 12, 2026
Combining them wont improve results and could increase side effects like nausea, vomiting, diarrhea, or, in rare cases, pancreatitis
L-carnitine reduces oxidative damage in the body's nitric oxide (NO)
This unique mechanism sets it apart from earlier GLP-1only compounds by potentially engaging multiple hormonal pathways involved in energy balance, insulin signaling, and appetite regulation
But there have been interesting studies on specific aspects of anti-aging and healthspan