Vitamin C (ascorbic acid): High-dose vitamin C is acidic and can directly irritate the esophagus and stomach
The glucose-dependent insulinotropic polypeptide receptor adds a second layer of metabolic regulation that amplifies fat oxidation, improves lipid metabolism, and appears to enhance the weight loss effects beyond what GLP-1 activation alone can achieve
Additionally, metabolic improvements including reduced hemoglobin A1c (1.6-2.0 percentage point reductions in SURMOUNT-2), improved lipid profiles, and decreased blood pressure accompanied the weight loss, suggesting comprehensive metabolic benefits
This is particularly advantageous for people with type 2 diabetes or insulin resistance
Retatrutide is becoming the focus for studies that require aggressive lipid clearance, extreme metabolic stabilization, or investigations into thermogenesis and energy balance
As patients progress in their weight loss journey, a higher dose of Tirzepatide may be prescribed by a healthcare professional to enhance its effects