Can peptide injections help people recover from injuries? Here's what you need to know

It's tough to avoid the current hype about the health benefits of injecting peptides. Although these substances—essentially, synthetic bits of protein in solution—have long made the rounds in the fitness world, their popularity has exploded. Social media influencers, podcasters, wellness clinics and online sellers promote peptides as a quick and easy way to build muscle faster, heal injuries more quickly, reduce inflammation, lose fat, sleep better and more.