Peptide Therapy
Medically supervised peptide protocols in Lisle, IL — BPC-157, weight loss peptides, growth hormone peptides & tissue repair. Tailored to your biology, your goals, and your labs. Serving Naperville, Downers Grove & Chicago’s western suburbs.
Book a Free ConsultWhat Is Peptide Therapy?
Peptides are short chains of amino acids that signal your cells to perform specific functions. Think of them as messengers that tell your body what to do, and when. Different peptides target different systems: tissue repair (BPC-157, TB-500), fat metabolism (semaglutide, tirzepatide), growth hormone (sermorelin, ipamorelin).
At our Lisle clinic, every protocol starts with bloodwork, a body composition scan, and a provider consult. From there, your peptides and dosing are tailored to your goal, whether that’s recovery, fat loss, performance, or longevity support.
We see clients from across the Chicago suburbs: Naperville, Downers Grove, Wheaton, Bolingbrook, Lombard. For those outside of this area, we also do virtual appointments.
Weight Loss Peptides
Microdosing Tirzepatide
$295/moWith Membership: $236/mo
Monthly microdose protocol
Microdosing Retatrutide
$320/moWith Membership: $256/mo
Monthly microdose protocol
6mg • 12 wks on / 4-8 wks off
Fat-burning fragment of growth hormone for targeted fat loss without muscle impact.
10-60mg • Ongoing weekly
Triple-agonist GLP-1/GIP/glucagon peptide for significant weight loss and metabolic reset.
2-50mg • Ongoing weekly
GLP-1 receptor agonist for appetite control, weight management, and metabolic health.
5-120mg • Ongoing weekly
Dual GIP/GLP-1 agonist for powerful weight loss, blood sugar control, and satiety.
10mg • Ongoing weekly
Amylin analog for appetite suppression and enhanced weight loss when paired with GLP-1s.
6mg • Ongoing weekly
Dual glucagon/GLP-1 agonist for fat reduction, liver health, and metabolic improvement.
Muscle & Growth Hormone Peptides
10mg • 8 wks on / 8 wks off
Clean GH pulse with minimal side effects for recovery, body comp, and anti-aging.
10mg • 8 wks on / 8 wks off
GH-releasing hormone analog for lean mass, sleep quality, and metabolic function.
10mg • 8 wks on / 8 wks off
FDA-recognized GHRH analog that reduces visceral fat and supports metabolic health.
10/5mg • 8 wks on / 8 wks off
Combined GHRH and GHRP for synergistic growth hormone release, lean mass, and visceral fat reduction.
10mg • 8 wks on / 8 wks off
Stimulates natural growth hormone release for lean muscle, recovery, and deeper sleep.
10mg • 8 wks on / 8 wks off
Extended-release GH stimulation for sustained muscle growth and body composition.
10 IU • 8 wks on / 8 wks off
Direct growth hormone for muscle, recovery, fat loss, and whole-body regeneration.
1mg • 20-day cycle, 3x/yr
Myostatin inhibitor for accelerated muscle growth and strength beyond natural limits.
Tissue Repair & Healing Peptides (BPC-157, TB-500)
10mg • 8 wks on / 8 wks off
Accelerates gut, tendon, ligament, and tissue healing with potent anti-inflammatory action.
500mcg x 30 tabs • 30-day supply
Oral delivery for gut lining repair, systemic healing, and inflammation reduction.
10mg • 8 wks on / 8 wks off
Promotes tissue repair, reduces inflammation, and supports cardiac and muscle healing.
50mg • 30 days on / 14 days off
Copper peptide for collagen synthesis, wound healing, skin renewal, and anti-aging.
10mg • As needed per injury
Anti-inflammatory tripeptide for gut healing, skin conditions, and immune modulation.
25mg • Ongoing, synergy with TB-500
Cardio-protective peptide for heart tissue repair and cardiovascular resilience.
25mg • 10-20 day course
Cartilage-protective peptide for joint health and musculoskeletal longevity.
Cognitive / Stress / Sleep
10mg • 4-8 wks on / 2-4 wks off
Anxiolytic peptide for stress relief, mental clarity, and immune support.
20mg • 4-8 wks on / 2-4 wks off
Nootropic peptide for focus, memory, cognitive enhancement, and neuroprotection.
10mg • As needed, not continuous
Delta sleep-inducing peptide for deeper sleep, stress reduction, and recovery.
10mg x 30 tabs • 30-day cycle
Potent oral nootropic for memory, cognitive function, and neuroprotection.
10mg • 8 wks on / 4 wks off
Brain-derived growth factor for neuroplasticity, learning, and mental resilience.
25mg x 30 tabs • 30-day cycle
Oral GH secretagogue for sustained muscle growth, sleep quality, and bone density.
60 tabs • 30-day supply
Mitochondrial enhancer for mental energy, focus, and cellular brain support.
Longevity
50mg • 4-bottle cycle, 3x/yr
Telomerase activator for cellular longevity, DNA repair, and anti-aging at the genetic level.
10mg • 1 inj every 5 days for 20 days
Mitochondrial peptide for metabolic optimization, exercise performance, and cellular energy.
1000mg • Ongoing daily use
Essential coenzyme for cellular energy, DNA repair, and whole-body anti-aging.
14mg • 7-bottle cycle, 2-3x/yr
Mitochondrial-targeted antioxidant for cellular energy, cardiac health, and aging defense.
15mg • 1 bottle per cycle, 1-3x/yr
Senolytic peptide that clears damaged cells to support tissue rejuvenation and longevity.
Skin Health / Blends
GHK-Cu / BPC-157 / TB500 • 30-day cycle
Entry-level skin blend for collagen support, healing, and a healthy glow.
GHK-Cu / BPC-157 / TB500 • 30-day cycle
Mid-tier skin rejuvenation blend for enhanced collagen, elasticity, and repair.
GHK-Cu / BPC-157 / TB500 • 30-day cycle
Premium skin blend for maximum collagen synthesis, anti-aging, and tissue renewal.
GHK-Cu / KPV / BPC-157 / TB500 • 30-day cycle
Advanced skin and anti-inflammatory blend for radiance, healing, and immune balance.
10mg • Loading then maintenance
Melanocortin peptide for enhanced skin pigmentation and UV protection.
10/10mg • 8 wks on / 8 wks off
Dual GH-release blend for lean muscle, recovery, and anti-aging synergy.
8 wks on / 8 wks off
Triple-stack for amplified growth hormone, muscle repair, and performance.
8 wks on / 8 wks off
Quad-stack for maximum GH output, muscle growth, and accelerated recovery.
Immune
10mg • During illness only
Antimicrobial peptide for acute immune defense and infection response.
10mg • When sick, 2x/week
Immune modulator for enhanced T-cell function and viral defense.
20mg • 10-day course, repeat q3-6 months
Thymus-restoring peptide for immune system rejuvenation and resilience.
Hormone
10mg • Per MD recommendation
GnRH analog for testosterone support and fertility preservation during TRT.
10000 IU • 2-3x/yr, twice/week
Supports testosterone production, fertility, and hormonal balance during therapy.
10mg • As needed per protocol
Upstream hormone trigger for natural testosterone and reproductive health.
10mg • Ongoing daily
Bonding and stress-relief hormone for mood, social connection, and recovery.
Pain / Inflammation
600mg • 8-12 week ongoing
Bioavailable anti-inflammatory for joint pain, systemic inflammation, and recovery.
Pricing is discussed during your consultation. Every protocol is built around your labs, goals, and lifestyle.
This Isn’t a Run-of-the-Mill Online Program
We do the legwork so you don’t have to. Every peptide protocol at Defiant is medically supervised, data-driven, and built entirely around your biology.
3D Body Scan
Full composition analysis every 4 weeks to track real progress — not guesswork.
Weekly Nurse Check-Ins
Dedicated support to monitor symptoms, side effects, and progress every week.
Titrations as Needed
Dosing adjusted in real-time based on your labs, response, and how you feel.
Personalized Care
Tailored to your lifestyle, your schedule, and your goals. Healthcare that works around you.