- Used in medicine to treat conditions like diabetes, cancer, and hormonal disorders. For example, GLP-1 agonists are peptides used to treat diabetes and obesity.
- Used cosmetically in anti-aging products to promote skin elasticity, encourage collagen production and reduce wrinkles.
- Used in research to study protein interactions for drug and vaccine development.
- Used as performance enhancers in sports and fitness, to promote muscle growth and recovery. For example, growth hormone-releasing peptides help to enhance the results of exercise and training.


