In rough trial comparisons, Retatrutides TRIUMPH-1 data shows around 28.3% mean weight loss at 80 weeks on the 12 mg dose, with up to 30.3% at 104 weeks in a select extension population
Kreitzer AC, Malenka RC (2007)
This breadth may reflect the fundamental nature of the pathways being studied, such as endothelial function, cell migration machinery, and stress-response biology, rather than a single tissue-specific receptor mechanism
Oral is most defensible when the interest is gut lining support, since that is where much of the preclinical research focused and where the oral route delivers directly
For injectable copper peptides, BPC-157 and several other compounds currently marketed for skin rejuvenation and tissue repair, I could not identify robust human clinical evidence of meaningful benefit in dermatological practice
Vitamin B12 deficiency is primarily caused by autoimmune pernicious anemia, dietary restrictions such as vegetarian or vegan diets, and medical conditions that interfere with absorption such as celiac and Crohns disease