Retatrutide is an investigational once-weekly injectable triple receptor agonist activating GLP-1, GIP, and glucagon receptors to reduce appetite, improve insulin secretion, and increase energy expenditure
It supports the production of acetylcholine, a neurotransmitter crucial for brain function, and assists in the maintenance of healthy nerve cells
Those symptoms may be different in older people
Mechanistically, its claimed effects track the biology of that TB4 motif: regulating actin dynamics, driving cell migration, and supporting new vessel growth and tissue repair
Maintaining a symptom diary can help identify patterns and triggers
Due to its large molecule size, it sits on top of your skin rather than absorbing into it