---
title: "Peptide Therapy"
---

## What Peptides Are

Peptides are short chains of amino acids, the same building blocks that make up the proteins in your body. Insulin is a peptide; so is oxytocin. Your body produces thousands of them naturally, each one a signal telling specific cells what to do.

Therapeutic peptides are precise versions of these natural signals. Some are identical copies of peptides your body already makes; others are slightly modified to last longer or work more selectively. They work by activating specific receptors rather than overriding your body's systems, which is why peptides are often described as working with your biology rather than against it.

This is also why peptide therapy is highly individual. The right peptide depends on what biological signal needs to be reinforced or restored, which varies by age, goals, and the underlying issue.

## How PHI Approaches Peptide Therapy

Peptide therapy at PHI starts with a full medical workup, including bloodwork. We do not prescribe peptides without first establishing a baseline of your current health. The workup tells us what is actually happening at the biological level (hormone levels, inflammatory markers, metabolic function) and what protocol, if any, fits for you.

Some peptides are FDA-approved medications with decades of clinical data; others are compounded by licensed pharmacies under physician prescription, supported by emerging evidence but not yet FDA-approved for the specific use. Your physician will explain the regulatory status of any peptide they recommend, what the evidence supports, and what it does not.

This honesty is the point. Peptide therapy works when it is matched correctly to a real biological need. It does not work as a generic wellness-optimization prescription. We treat it as medicine, not lifestyle.

## Three Areas We Treat with Peptide Therapy

#### Longevity and healthy aging

As you age, the natural production of certain signaling peptides declines, contributing to slower recovery, changes in body composition, reduced sleep quality, and the visible signs of aging. Peptides used in this area work by gently prompting your body to produce growth hormone at more youthful levels, rather than introducing synthetic growth hormone directly. This preserves your body's natural feedback loops and avoids the side effects associated with growth hormone replacement. Patients typically report better sleep, faster recovery, and gradual changes in body composition over 8 to 12 weeks.

#### Recovery, tissue repair, and performance

For patients with persistent injuries, post-surgical recovery, or training demands that exceed natural recovery capacity, certain peptides support the body's tissue-repair processes. Patients typically report faster resolution of soft-tissue injuries, reduced post-training soreness, and improved healing after orthopedic procedures. The strongest evidence for these peptides comes from preclinical models and clinical experience; large-scale randomized human trials are still limited, and patients who pursue these protocols are choosing to act on emerging evidence under physician supervision.

#### Metabolic support

Peptides used for metabolic support are matched to your bloodwork and goals. As with every PHI protocol, your physician will explain what a given peptide is intended to do, the regulatory status, and what the evidence supports before any prescription.

## Conditions We Treat with Peptide Therapy

- Age-related decline in growth hormone, energy, sleep quality, and recovery
- Muscle preservation and body-composition support
- Persistent soft-tissue injuries (tendons, ligaments)
- Post-surgical recovery
- Athletic performance and recovery demands
- Immune system support
- Skin and tissue regeneration

If your goal is not listed, your physician will tell you whether peptides are an appropriate option during consultation.

## Why Patients Choose PHI for Peptide Therapy

## Your Peptide Therapy Process at PHI

## Frequently Asked Questions

**Q: Are peptides FDA-approved?**

Some are; others are not. Certain peptides are FDA-approved prescription medications, while many used in longevity and recovery protocols are compounded through licensed pharmacies under specific regulatory pathways rather than being FDA-approved. Your physician will explain the regulatory status of any peptide they recommend.

**Q: Are peptides safe?**

The safety profile depends on the specific peptide, your individual health, and how it is prescribed. FDA-approved peptides have well-documented safety profiles from large clinical trials; compounded peptides have less large-scale human safety data, though many have been used clinically for years with favorable real-world experience. PHI prescribes peptides only after baseline bloodwork and only with ongoing monitoring, and screens for contraindications during consultation.

**Q: How long until I see results?**

This varies by peptide and protocol. Growth hormone-releasing peptides typically take 8 to 12 weeks to produce noticeable changes in sleep, recovery, and body composition. Recovery peptides for soft-tissue injuries often show improvement within 4 to 8 weeks.

**Q: Do peptides have side effects?**

Yes, like any medication. Growth hormone-releasing peptides can cause water retention or mild fatigue at the start of a protocol. Each peptide has its own profile, and your physician will review the relevant side effects for any protocol they recommend.

**Q: Can I just buy peptides online?**

Peptides sold online without a prescription are typically labeled "for research use only" and are not regulated for human use, and quality, purity, and dosing accuracy vary widely. Self-administering also means no baseline labs, no contraindication screening, and no adjustment if your body responds unexpectedly. The cost savings rarely outweigh the risks.

**Q: Is peptide therapy covered by insurance?**

PHI is out-of-network with all insurance plans, a concierge model choice so that clinical judgment dictates your care rather than coverage decisions. Compounded peptides typically are not covered by insurance.

**Q: How much does peptide therapy cost at PHI?**

Pricing varies by protocol and depends on the consultation, lab work, and ongoing peptide costs. All costs are disclosed at consultation, with no hidden fees.

**Q: Do you accept international patients?**

Yes. PHI regularly treats patients from outside Los Angeles, including Las Vegas, Palm Springs, London, and other international locations. For peptide protocols, we coordinate the consultation, lab work, and ongoing prescription logistics to fit your travel and home schedule.


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