Skip to main content
Learn

What is peptide therapy?

Educational content, not medical advice

Peptide therapy is the prescribed use of short chains of amino acids that act as precise biological signals: telling the pituitary to release growth hormone, or the gut-brain axis to regulate appetite. Compounded peptides are prescription only and, per FDA compounding rules, not FDA-approved.

Start a consult See a licensed clinician
Rx only · a licensed clinician determines appropriateness and may decline · compounded medications are not FDA-approved
What is peptide therapy?

What is peptide therapy?

Peptides are how the body already talks to itself. Therapy uses lab-made versions of those messengers to nudge a specific pathway. Which pathway, which peptide, and whether any of it fits your health picture is the clinician's call, made individually, never automatically.

What is sermorelin? How does tirzepatide work? How does semaglutide work? Tirzepatide and semaglutide are peptides that act on appetite-regulating receptors. Sermorelin is a peptide that signals the pituitary. None of the compounded forms PinwellRx lists are FDA-approved. They remain prescription only. A licensed clinician can say no.

Are peptides supplements?

Not these. The peptides PinwellRx lists are compounded prescription medications, not over-the-counter supplements.

If a website sells injectable peptides without a prescription, that is not how a licensed pharmacy operates. Start a consult if you want a clinician to decide.

Is peptide therapy FDA-approved?

Compounded peptides are not FDA-approved. Some peptide drugs exist as approved products; compounded preparations of peptides are a different legal and quality frame.

Compounded medications are not FDA-approved. A licensed clinician reviews your history and may decline. If prescribed, a licensed U.S. 503A pharmacy prepares the medication and ships to all 50 states. Houston is HQ. Educational content, not medical advice.

Listed prices

Peptides PinwellRx lists, with the price on it.

Rx only. A licensed clinician determines appropriateness and may decline. Compounded medications are not FDA-approved. You see your price before you pay.

Peptides in the catalog
Compounded tirzepatide injection$339 / 4 wk
Compounded semaglutide injection$249 / 4 wk
Sermorelin, nightly$229 / 4 wk

All medications are compounded by licensed U.S. 503A pharmacies and are not FDA-approved. Prescription only. A licensed clinician determines appropriateness and may decline; full refund if not prescribed. Individual results vary. For education, not medical advice.

Keep reading
What does PinwellRx offer?How does tirzepatide work?What is NAD+?What is compounded tirzepatide?Is compounded tirzepatide safe?How do you get compounded tirzepatide?How does semaglutide work?What is sermorelin?What is a compounding pharmacy?

Find out what a clinician would say.

Ten minutes of honest questions. A licensed clinician reviews, and can say no. Full refund if you are not prescribed.

Start a consult See your options
Reviewed by the PinwellRx clinical team · Updated August 2026
Sources
FDA: Human Drug Compounding, Questions and Answers Coskun et al., Molecular Metabolism (2018). Dual GIP and GLP-1 receptor agonist. PMID 30473097. Drucker, Cell Metabolism (2018). GLP-1 receptor agonism. PMID 29617641. Prakash & Goa, BioDrugs (1999). Sermorelin. PMID 18031173.
Papers, NIH, and FDA pages are cited as the authorities. PinwellRx is the authority only on its own process and pricing. Compounded medications are not FDA-approved.
Start a consult