The 39 amino acid sequence of tirzepatide shares similarity with that of GIP, GLP-1 and exendin-4 and is characterized by an acyl chain attached to the lysine residue at position 20 contributing to albumin binding and half-life extension to 5 days [41]
This trial provided early evidence of the synergistic benefits in a population with both conditions
It is worth noting that metformin is an FDA-approved medication for the treatment of diabetes and certain medical conditions like weight loss
If subcutaneous, pinch the area of injection with a thumb and index finger prior to injecting so that the subcutaneous fat is more localized
If pregnant, breastfeeding, taking medication, or under medical supervision, consult a healthcare professional before use
Until this process is complete, no prescribing guidance from NICE or NHS England exists for retatrutide