That extra receptor pathway is why retatrutide is often viewed as the better bet for maximum weight-loss potential
MedlinePlus Escitalopram overview and class/use
And these different peptides that are of different amino acid sequences are designed to reduce visceral adiposity a bit more or promote deep sleep a bit more or to promote muscle growth a bit more

Potential Benefits of Peptide Therapy May treat a wide range of health conditions such as Alzheimers disease, osteoporosis, autoimmune disorders, insomnia and stress disorders, and inflammatory diseases Stimulating growth hormone production May improve skin quality and tightness, reducing frown lines, wrinkles, under-eye bags, age-related bone loss, and other signs of aging May aid weight loss Increasing muscle mass and endurance Improving post-workout recovery Balancing hormones Improving cognitive function Promoting better sleep Strengthening the immune system against harmful viruses and bacteria Repairing body tissue including tendons and ligaments, joints, and bones Enhancing sex drive and overall sexual performance Increasing your energy, strength, and stamina How Does Peptide Therapy Increase My Growth Hormone
PN-477 is designed to offer effective weight loss, improved gastrointestinal tolerability, and an optimal fat-to-lean mass ratio