What Are Peptides? A Beginner’s Guide to Peptide Therapy

What Are Peptides?

Peptides are short chains of amino acids — the same building blocks that make up proteins. Your body already uses thousands of them as signaling molecules that tell cells what to do: regulate hormones, support repair, manage inflammation and more.

In peptide therapy, specific, well-studied peptides are used under medical supervision to support goals like recovery, sleep, body composition and healthy aging.

How Peptide Therapy Works

Rather than overriding your biology, most therapeutic peptides nudge natural processes — for example, prompting your own growth-hormone release or supporting tissue repair. Treatment is tailored to your labs and goals and monitored over time.

Common Goals People Pursue

Adults often explore peptide therapy for better sleep and recovery, improved body composition alongside hormone optimization, and support for healthy aging. It pairs naturally with TRT or HRT as part of a broader plan.

Is Peptide Therapy Right for You?

Peptides are not a shortcut or a substitute for the basics, and they should always be physician-guided. The first step is a consultation and bloodwork so a licensed provider can recommend what’s appropriate and safe for you.

Frequently Asked Questions

Are peptides safe?

When prescribed and monitored by a licensed physician based on your labs, peptide therapy is a measured, individualized approach. Self-sourcing unregulated products is not advised.

Do peptides replace hormones?

No — many work by supporting your body’s own processes. They often complement hormone therapy rather than replace it.

How do I start?

Book a telehealth consult; a provider reviews your goals and bloodwork and builds a plan.

Interested in physician-guided peptide therapy? MultiGen Wellness offers peptide therapy — including sermorelin and ipamorelin — by telehealth, guided by bloodwork and supervised by licensed physicians, in all 50 states. New patients start for $247 (regularly $497).