Fat Loss & Metabolism Growth & Anti-Aging Healing & Recovery Focus & Brain Health Sleep & Stress Sexual Health Immune Support

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Burn Fat & Boost Metabolism

Targeted peptides that support fat breakdown, insulin sensitivity, and body composition — without the systemic effects of traditional GH therapy.

Fat Loss

AOD-9604

Injectable · Fat Loss Peptide

Burn stubborn fat without the side effects of full growth hormone therapy. AOD-9604 is a precision fragment of HGH that targets fat breakdown specifically — without affecting your blood sugar, muscle, or growth pathways. It's the go-to for patients focused purely on body composition.

  • May support targeted fat breakdown and oxidation
  • Does not appear to affect blood glucose levels
  • Designed to preserve lean muscle mass
  • May improve metabolic rate and energy utilization
Per Vial $250 / 5mL vial · 1.2mg/mL
Fat Loss + Metabolic

MetaBoost Duo™

AOD-9604 + MOTS-C · Fat Loss + Metabolic Combo

Burn fat AND fix your metabolism at the same time. This stack pairs AOD-9604's fat-targeting power with MOTS-C, a peptide that supercharges your mitochondria — the energy engines inside every cell. Patients report better energy, easier fat loss, and improved insulin sensitivity.

  • Supports fat oxidation and metabolic function
  • MOTS-C may improve insulin sensitivity
  • Designed to enhance mitochondrial energy output
  • Clinician-compounded combination formula
Per Vial $275 / 5mL vial · 1.2mg/2mg/mL
Triple Metabolic Stack

MetaBoost Elite™

AOD-9604 + MOTS-C + Tesamorelin · Metabolic Triple Stack

Our most aggressive body composition protocol. Three peptides working together — AOD-9604 burns fat, MOTS-C optimizes your metabolism, and Tesamorelin stimulates natural growth hormone to reduce visceral belly fat. Built for patients with serious transformation goals.

  • Triple-action metabolic and fat loss support
  • May reduce visceral fat accumulation
  • Tesamorelin supports natural GH release
  • Designed for comprehensive body composition goals
Per Vial $275 / 5mL vial · 1.2mg/2mg/3mg/mL
Metabolic

MOTS-C

Injectable · Mitochondrial Peptide

More energy. Better endurance. Improved blood sugar control. MOTS-C is your body's own mitochondrial peptide — it tells your cells to produce energy more efficiently and burn fat more effectively. Patients notice better workout performance and sustained energy throughout the day.

  • Supports mitochondrial energy production
  • May improve insulin sensitivity and blood sugar regulation
  • Designed to support fat oxidation and metabolic flexibility
  • May enhance exercise performance and endurance
Per Vial $300 / 5mL vial · 2mg/mL
GLP-1

Liraglutide

Injectable · GLP-1 Receptor Agonist

Quiet the food noise and take control of your appetite. Liraglutide is a daily GLP-1 injection that works with your body's natural hunger signals — helping you feel satisfied sooner and stay satisfied longer. A solid option for patients who prefer daily dosing over weekly injections.

  • May support appetite regulation and satiety
  • Designed to assist with weight management
  • May improve blood sugar and insulin response
  • Clinician-monitored dosing and protocol
7mL Vial $155 / 42mg supply
15mL Vial $300 / 90mg supply

Common Questions

What peptides are best for fat loss?

AOD-9604 is the most targeted fat loss peptide — it's a fragment of human growth hormone designed specifically for fat metabolism without affecting blood sugar. For a more comprehensive approach, our MetaBoost Elite™ stack combines AOD-9604 with MOTS-C (for mitochondrial energy) and Tesamorelin (for GH-driven visceral fat reduction). Your clinician will recommend the right option based on your goals and health profile.

Are fat loss peptides the same as GLP-1 medications like Ozempic?

No. GLP-1 medications like Semaglutide and Liraglutide work by mimicking gut hormones that regulate appetite and blood sugar. Peptides like AOD-9604 and MOTS-C work through different mechanisms — targeting fat oxidation and mitochondrial function directly. We offer Liraglutide (a GLP-1) as well as non-GLP-1 fat loss peptides, so your clinician can match the right approach to your situation.

Do I need a prescription for fat loss peptides?

Yes. All peptides at 1stRX Vitality are prescribed by a licensed clinician after a health assessment. This ensures your protocol is safe, appropriate for your health profile, and properly dosed. You can start with a free online assessment.

How quickly will I see results from fat loss peptides?

Most patients begin noticing changes in body composition within 4–8 weeks, though this varies by individual, peptide protocol, and lifestyle factors. Peptides work best alongside consistent nutrition and exercise — they're not a shortcut, but they can meaningfully accelerate results when used as part of a comprehensive plan.

Are these peptides FDA-approved?

Peptide products offered here are not FDA-approved. They have not been reviewed by the FDA for safety, efficacy, or quality; are not substitutes for FDA-approved drugs; and do not have equivalent clinical trial data. All protocols are prescribed off-label by licensed clinicians using pharmacy-compounded formulations.

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Turn Back the Clock

Stimulate your body's natural growth hormone release to support lean muscle, deep sleep, skin health, and cellular repair.

Growth Hormone

Vitality Pulse™

CJC-1295 + Ipamorelin · GH Releasing Stack

Sleep deeper. Recover faster. Look and feel younger. This dual-peptide stack triggers your body's own growth hormone release in natural pulses — improving sleep quality, accelerating recovery, supporting fat loss, and promoting healthier skin. The most popular GH protocol we prescribe.

  • Supports natural pulsatile GH release
  • May improve lean muscle and reduce body fat
  • Designed to enhance sleep quality and recovery
  • Supports skin health and anti-aging pathways
Per Vial $325 / 5mL vial · 1.2mg/2mg
Growth Hormone

Sermorelin

Injectable · Growth Hormone Support

Wake up feeling rested. Build muscle easier. Recover like you're 25 again. Sermorelin stimulates your pituitary gland to produce more of its own growth hormone naturally — no synthetic HGH needed. Patients report noticeably better sleep within the first few weeks.

  • Stimulates natural GH release from the pituitary
  • May support lean muscle and fat reduction
  • Designed to improve deep sleep and recovery
  • Supports anti-aging and cellular repair
Per Vial $225 / 5mL vial · 3mg/mL
Growth Hormone

Tesamorelin

Injectable · GHRH Analog

Reduce belly fat at the source. Tesamorelin is the only growth hormone peptide with FDA-studied data specifically for visceral fat reduction. It stimulates your body's own GH production to target the dangerous fat around your organs — while supporting energy, body composition, and recovery.

  • FDA-studied GHRH analog for visceral fat support
  • Stimulates natural GH release from the pituitary
  • May improve body composition and metabolic markers
  • Supports energy, vitality, and recovery
Per Vial $300 / 5mL vial · 3mg/mL
GH Stack

Vitality Surge™

Tesamorelin + Ipamorelin · Dual GH Stack

Maximum growth hormone support for serious results. This dual stack combines Tesamorelin's visceral fat-targeting power with Ipamorelin's clean GH pulse — for patients who want the strongest growth hormone protocol available. Expect improvements in body composition, sleep, and recovery.

  • Dual-mechanism GH stimulation
  • May reduce visceral fat accumulation
  • Supports lean muscle and body composition
  • Designed to improve sleep and overnight recovery
Per Vial $325 / 5mL vial · 2mg/2mg/mL
Longevity

Epithalon

Injectable · Telomerase Activator

Age better at the cellular level. Epithalon may activate telomerase — the enzyme that protects your DNA's 'aging clock.' Research suggests it supports cellular longevity, circadian rhythm regulation, and antioxidant defense. A short-cycle protocol (10-20 days) that may have lasting effects.

  • May support telomerase activity and cellular longevity
  • Designed to support circadian rhythm and sleep regulation
  • May provide antioxidant cellular protection
  • Supports healthy aging at the cellular level
Per Vial $250 / 5mL vial · 2mg/mL
Anti-Aging

GHK-Cu

Injectable / Topical · Cellular Repair

Younger skin. Faster healing. Thicker hair. GHK-Cu is a naturally occurring copper peptide that your body produces less of as you age. Restoring it may boost collagen production, accelerate wound healing, reduce inflammation, and support hair growth. Available as injectable or topical.

  • Supports collagen and elastin production
  • May improve wound and tissue healing
  • Promotes skin health and cellular regeneration
  • May support hair growth and scalp health
  • Antioxidant and anti-inflammatory properties
Per Vial $300 / 5mL vial · 10mg/mL
Anti-Aging Stack

Age Defy Stack™

GHK-Cu + Epithalon · Anti-Aging Combination

Fight aging from two angles — on the surface and deep inside your cells. GHK-Cu rebuilds collagen and repairs tissue while Epithalon works at the cellular level to support telomerase activity and DNA protection. Our most comprehensive anti-aging protocol.

  • Synergistic tissue and cellular anti-aging action
  • Supports collagen synthesis and cellular repair
  • May support telomerase activity and longevity pathways
  • Designed for comprehensive cellular health and regeneration
Per Vial $325 / 5mL vial · 10mg/2mg/mL
Growth Factor

IGF-LR3

Injectable · Long-Acting IGF-1 Analog

Build muscle faster and recover stronger. IGF-LR3 stays active in your body longer than natural IGF-1, promoting sustained anabolic signaling for muscle growth and cellular repair. Typically prescribed within structured performance or post-injury recovery protocols.

  • May support lean muscle development and repair
  • Designed to enhance cellular recovery
  • Longer active window than native IGF-1
  • Supports anabolic signaling pathways
Per Vial $300 / 5mL vial · 200mcg/mL

Common Questions

What's the difference between CJC/Ipamorelin and Sermorelin?

Both stimulate your body's natural growth hormone release, but through slightly different mechanisms. CJC-1295/Ipamorelin (our Vitality Pulse™) provides a dual-action GH pulse — CJC extends the signaling window while Ipamorelin triggers a clean, targeted release. Sermorelin is a more straightforward GHRH analog. Your clinician will recommend the best fit based on your goals, whether that's body composition, sleep quality, or anti-aging.

Will growth hormone peptides show up on a drug test?

GH-releasing peptides like CJC-1295, Ipamorelin, and Sermorelin stimulate your body to produce its own growth hormone naturally. They are not synthetic HGH. However, some competitive sports organizations do test for certain peptides. If you're subject to athletic drug testing, discuss this with your clinician before starting a protocol.

Are anti-aging peptides like Epithalon FDA-approved?

Epithalon and GHK-Cu are research peptides with promising data on telomerase activation and cellular repair, but they are not FDA-approved for any specific indication. At 1stRX Vitality, they're prescribed off-label by licensed clinicians using pharmacy-compounded formulations. All protocols include ongoing monitoring.

How long do I need to take growth hormone peptides?

Most GH peptide protocols run in cycles — typically 3–6 months on, followed by a break. Peptides like Epithalon are often used in shorter 10–20 day cycles. Your clinician will design a protocol timeline based on your specific goals and monitor your progress throughout.

Are these peptides FDA-approved?

Peptide products offered here are not FDA-approved. They have not been reviewed by the FDA for safety, efficacy, or quality; are not substitutes for FDA-approved drugs; and do not have equivalent clinical trial data. All protocols are prescribed off-label by licensed clinicians using pharmacy-compounded formulations.

Start My Free Assessment →

Heal Faster, Recover Stronger

Clinician-compounded formulas for tissue repair, injury recovery, and inflammation — from single peptides to advanced multi-peptide stacks.

Healing

BPC-157 Injectable

Injectable · Tissue Repair Peptide

Heal injuries faster — tendons, ligaments, muscles, and gut. BPC-157 is the most versatile healing peptide available, derived from a protein your body already produces to protect your stomach. It supports blood vessel formation at injury sites and reduces inflammation. The foundation of virtually every recovery protocol.

  • Supports tendon, ligament, and muscle healing
  • May reduce inflammation and associated pain
  • Designed to support gut lining and digestive health
  • May accelerate injury recovery time
Per Vial $300 / 5mL vial · 3mg/mL
Healing Stack

Rapid Repair™

BPC-157 + TB-500 · Enhanced Tissue Repair

Two of the most powerful healing peptides, working together. BPC-157 repairs damaged tissue and builds new blood vessels at the injury site. TB-500 reduces inflammation system-wide and improves flexibility. Together they accelerate recovery from injuries, surgeries, and chronic joint issues.

  • Synergistic tissue repair action
  • Supports tendon, ligament, and muscle healing
  • May reduce systemic inflammation
  • Designed for accelerated injury recovery
Per Vial $325 / 5mL vial · 3mg/3mg/mL
Triple Healing Stack

Total Repair™

BPC-157 + KPV + TB-500 · Anti-Inflammatory Healing Stack

When inflammation is the problem, not just the symptom. This triple stack adds KPV — a targeted anti-inflammatory peptide — to the BPC-157/TB-500 healing combination. Built for patients dealing with significant inflammation alongside tissue damage. Three mechanisms working simultaneously.

  • Triple-action healing and anti-inflammatory support
  • KPV targets inflammatory signaling pathways
  • Supports tissue repair alongside inflammation control
  • Designed for comprehensive recovery protocols
Per Vial $325 / 5mL vial · 3mg/3mg/3mg/mL
Advanced Healing Stack

Deep Heal Protocol™

BPC-157 + GHK-Cu + KPV + TB-500 · Comprehensive Healing Formula

Our most comprehensive recovery protocol — four peptides, four mechanisms. BPC-157 repairs tissue. GHK-Cu rebuilds collagen. KPV controls inflammation. TB-500 heals systemically. Designed for patients with complex injuries, post-surgical recovery, or chronic conditions that haven't responded to simpler protocols.

  • Four-peptide synergistic healing formula
  • Supports tissue repair and collagen synthesis
  • Anti-inflammatory and regenerative action
  • Designed for comprehensive and complex healing goals
Per Vial $350 / 5mL vial · 3mg/10mg/3mg/3mg/mL
Healing + Regeneration

Repair & Renew™

BPC-157 + TB-500 + GHK-Cu · Repair & Regeneration Stack

Heal AND rejuvenate. This triple stack combines BPC-157's tissue repair with TB-500's systemic healing and GHK-Cu's collagen-building, anti-aging properties. Patients get accelerated recovery plus the regenerative benefits of copper peptide — repair with a regeneration bonus.

  • Three-peptide healing and regeneration formula
  • Supports collagen synthesis and tissue repair
  • May reduce inflammation and promote healing
  • Designed for recovery and anti-aging synergy
Per Vial $325 / 5mL vial · 3mg/3mg/10mg/mL

Common Questions

What is BPC-157 and what does it do?

BPC-157 (Body Protection Compound) is a synthetic peptide derived from a protective gastric protein. Research suggests it may accelerate healing of tendons, ligaments, muscles, and gut tissue by supporting blood vessel formation and reducing inflammation. It's one of the most versatile healing peptides available and forms the foundation of most recovery protocols.

Should I use BPC-157 alone or in a stack?

It depends on your situation. BPC-157 alone is effective for many people. For more significant injuries or chronic issues, stacks like Rapid Repair™ (BPC-157 + TB-500) or Deep Heal Protocol™ (BPC-157 + GHK-Cu + KPV + TB-500) add complementary healing mechanisms — tissue repair, anti-inflammation, and collagen synthesis working together. Your clinician will recommend the right approach.

Is BPC-157 legal to buy?

BPC-157 from a licensed pharmacy with a clinician's prescription is legal. What's not recommended is buying unregulated peptides from online research chemical vendors — those products may be contaminated, mislabeled, or improperly dosed. At 1stRX Vitality, all peptides are compounded by licensed pharmacies and prescribed by clinicians.

Can I take BPC-157 orally instead of injecting?

The injectable form is generally preferred for musculoskeletal injuries like tendon or ligament damage, as it works more systemically. For gut-related healing, discuss the best delivery method with your clinician.

Are these peptides FDA-approved?

Peptide products offered here are not FDA-approved. They have not been reviewed by the FDA for safety, efficacy, or quality; are not substitutes for FDA-approved drugs; and do not have equivalent clinical trial data. All protocols are prescribed off-label by licensed clinicians using pharmacy-compounded formulations.

Start My Free Assessment →

Sharpen Your Mind

Support focus, memory, neuroplasticity, and stress resilience with precision-prescribed cognitive peptide therapies.

Cognitive Stack

ClearMind Stack™

Pinealon + PE22-28 + Selank · Neuroprotective Stack

This triple cognitive peptide combines Pinealon's pineal gland support and circadian regulation, PE22-28's BDNF-supporting activity, and Selank's anxiolytic and cognitive-enhancing properties. Together they may support a broad spectrum of brain health goals including focus, stress resilience, and neuroprotection.

  • Multi-peptide cognitive and neuroprotective support
  • May improve focus and mental clarity
  • Supports stress resilience and mood balance
  • Designed to support brain health and neuroplasticity
Per Vial $325 / 5mL vial · 2mg/2mg/2mg/mL
Cognitive + Anxiolytic

Focus & Calm™

Semax + Selank · Neuroprotective + Stress Resilience

Semax is a neuroprotective peptide that may support BDNF expression, focus, and memory, while Selank is an anxiolytic peptide that may help modulate stress and support cognitive function. Together they may offer a balanced approach to brain health — sharpening cognition while reducing stress-related interference.

  • Semax may support focus, memory, and BDNF expression
  • Selank may reduce anxiety and stress reactivity
  • Together may enhance cognitive performance
  • Designed for neuroprotection and mental wellness
Per Vial $350 / 5mL vial · 1mg/1mg/mL

Common Questions

What are nootropic peptides?

Nootropic peptides are compounds that may support cognitive function — including focus, memory, neuroplasticity, and stress resilience. Examples include Semax (which may support BDNF expression and memory), Selank (which may reduce anxiety while supporting cognition), and Dihexa (which may support neuroplasticity). Unlike traditional stimulants, these peptides work through neurotrophic and neuroprotective pathways.

Are cognitive peptides safe to use long-term?

Cognitive peptides like Semax and Selank have been studied in clinical settings (particularly in Russia, where they originated) and generally show favorable safety profiles. However, long-term data in broader populations is still limited. All cognitive peptide protocols at 1stRX Vitality include clinician monitoring and are prescribed in defined cycles rather than indefinitely.

Can I combine cognitive peptides with my existing medications?

Potentially, but it depends on what you're currently taking. This is exactly why all 1stRX Vitality peptides require a clinician consultation — your provider will review your current medications, health history, and goals before prescribing any cognitive peptide protocol. Never combine peptides with existing medications without medical guidance.

Are these peptides FDA-approved?

Peptide products offered here are not FDA-approved. They have not been reviewed by the FDA for safety, efficacy, or quality; are not substitutes for FDA-approved drugs; and do not have equivalent clinical trial data. All protocols are prescribed off-label by licensed clinicians using pharmacy-compounded formulations.

Start My Free Assessment →

Sleep Deep, Stress Less

Restore your sleep architecture and regulate stress hormones with peptides designed for deep, restorative rest.

Sleep

DSIP

Injectable · Delta Sleep-Inducing Peptide

Fall asleep faster. Stay asleep longer. Wake up feeling restored. DSIP is a naturally occurring neuropeptide that promotes deep, restorative delta-wave sleep — the phase where your body repairs tissue, consolidates memory, and recharges. A natural alternative to traditional sleep medications.

  • May support deep and restorative sleep quality
  • Designed to improve sleep architecture and duration
  • May help regulate circadian rhythms
  • Supports stress hormone modulation
Per Vial $250 / 5mL vial · 1mg/mL
Sleep + Recovery Stack

Overnight Recovery™

DSIP + BPC-157 + CJC-1295 · Nighttime Recovery Stack

This combination adds BPC-157's tissue repair properties and CJC-1295's GH-releasing activity to DSIP's sleep support. Together they may form a nighttime recovery stack that supports sleep quality, tissue healing, and growth hormone release — maximizing the restorative potential of deep sleep.

  • Combines sleep support with tissue recovery
  • CJC-1295 may support nighttime GH release
  • BPC-157 supports ongoing tissue repair during sleep
  • Designed for comprehensive overnight recovery
Per Vial $325 / 5mL vial · 1mg/2mg/2mg/mL

Common Questions

How is DSIP different from sleeping pills?

DSIP (Delta Sleep-Inducing Peptide) works by supporting your body's natural sleep architecture — specifically deep, restorative delta wave sleep. Unlike sedative sleeping pills (which often suppress REM sleep and can cause dependency), DSIP may help regulate your sleep-wake cycle without the grogginess or habit-forming risks. It works with your biology, not against it.

Can I combine DSIP with growth hormone peptides?

Yes — in fact, our Overnight Recovery™ stack (DSIP + BPC-157 + CJC-1295) is designed to do exactly this. Deep sleep is when your body naturally releases the most growth hormone, so combining sleep support with GH-releasing peptides may maximize your body's overnight repair and recovery processes.

How quickly does DSIP work?

Many patients report improvements in sleep quality within the first 1–2 weeks. DSIP tends to work gradually by helping normalize your sleep patterns rather than forcing sedation. For best results, it's typically prescribed as part of a multi-week protocol alongside good sleep hygiene practices.

Are these peptides FDA-approved?

Peptide products offered here are not FDA-approved. They have not been reviewed by the FDA for safety, efficacy, or quality; are not substitutes for FDA-approved drugs; and do not have equivalent clinical trial data. All protocols are prescribed off-label by licensed clinicians using pharmacy-compounded formulations.

Start My Free Assessment →

Reignite Your Drive

Support libido, sexual function, and reproductive hormone signaling — for both men and women.

Libido

PT-141

Injectable / Nasal · Sexual Function Peptide

Reignite your desire — naturally. PT-141 works directly on your brain's arousal pathways, not just blood flow. It's the only peptide FDA-studied specifically for sexual dysfunction. Effective for both men and women, and works differently than medications like Viagra or Cialis.

  • May support sexual desire and arousal
  • Works via central nervous system pathways
  • Designed for both men and women
  • May improve sexual satisfaction and response
Per Vial $300 / 5mL vial · 2mg/mL
Hormonal

Kisspeptin

Injectable · Reproductive Hormone Support

Support your body's entire hormonal cascade from the top. Kisspeptin is the master signaling peptide that tells your brain to produce LH and FSH — the hormones that drive testosterone, estrogen, and reproductive function. Used for both libido support and fertility optimization.

  • Supports natural GnRH release and hormonal signaling
  • May help maintain testosterone production
  • Designed to support reproductive health and fertility
  • Supports the HPG axis naturally
Per Vial $250 / 5mL vial · 1mg/mL
Fertility

Gonadorelin

Injectable · GnRH Analog

Gonadorelin is a synthetic GnRH (gonadotropin-releasing hormone) analog that may stimulate the pituitary to release LH and FSH. It is commonly used during or alongside hormone therapy to preserve natural testosterone production, testicular function, and fertility in men on TRT.

  • May preserve natural LH and FSH production
  • Supports testicular function during hormone therapy
  • Designed for fertility preservation on TRT
  • Clinician-monitored pulsatile dosing protocol
Per Vial $150 / 5mL vial · 1mg/mL
Fertility & Function

HCG

Injectable · Testicular Function

HCG (Human Chorionic Gonadotropin) mimics LH to maintain natural testosterone production and testicular volume during hormone therapy. It is commonly prescribed alongside TRT to preserve the HPG axis, support fertility, and prevent the complete shutdown of natural hormonal signaling.

  • Maintains testicular size and function
  • Preserves natural testosterone signaling on TRT
  • Supports fertility during hormone therapy
  • May improve libido and mood alongside TRT
Per Vial $425 / 10,000iu

Common Questions

What's the difference between PT-141 and Viagra?

PT-141 (Bremelanotide) works through the central nervous system to support sexual desire and arousal — it targets the brain's melanocortin receptors. Viagra (sildenafil) works by increasing blood flow through vascular mechanisms. PT-141 addresses desire and arousal at the source, while Viagra addresses the physical mechanics. PT-141 also works for both men and women, while Viagra is typically prescribed only for men.

Can women use sexual health peptides?

Absolutely. PT-141 is one of the few options that has been studied and shown potential benefits for female sexual dysfunction, specifically hypoactive sexual desire disorder (HSDD). Kisspeptin also supports reproductive hormone signaling in both men and women. Your clinician will tailor the protocol to your specific needs.

Will Gonadorelin or HCG affect my fertility?

Gonadorelin and HCG are commonly used specifically to support fertility — they help maintain natural testosterone production and testicular function, particularly for men on TRT who want to preserve fertility. Kisspeptin also supports the HPG axis naturally. These are proactive fertility-supporting peptides, not fertility-reducing ones.

Do I need lab work before starting a sexual health peptide?

For most sexual health peptide protocols, your clinician will want to review your hormone levels (testosterone, LH, FSH, estradiol) to understand the underlying picture. This helps ensure you're prescribed the right peptide at the right dose. Lab work can be ordered as part of your initial assessment.

Are these peptides FDA-approved?

Peptide products offered here are not FDA-approved. They have not been reviewed by the FDA for safety, efficacy, or quality; are not substitutes for FDA-approved drugs; and do not have equivalent clinical trial data. All protocols are prescribed off-label by licensed clinicians using pharmacy-compounded formulations.

Start My Free Assessment →

Strengthen Your Defenses

Support your immune system's first-line defenses, T-cell activity, and long-term immune resilience.

Immune

LL-37

Injectable · Antimicrobial Peptide

Your body's built-in antimicrobial weapon, amplified. LL-37 is a naturally occurring peptide that attacks bacteria, viruses, and fungi directly while also modulating your immune response. Prescribed for patients with recurring infections or those seeking enhanced immune defense.

  • May support innate immune defense mechanisms
  • Designed to modulate inflammatory responses
  • Supports broad-spectrum antimicrobial activity
  • May assist wound healing and tissue defense
Per Vial $300 / 5mL vial · 2mg/mL
Immune

Thymosin Alpha-1

Injectable · Immune-Modulating Peptide

Strengthen your immune system at its core. Thymosin Alpha-1 enhances your body's natural killer cells and T-cell function — the front-line soldiers of your immune defense. Used clinically for chronic infections, immune deficiency, and as support during illness recovery.

  • Supports T-cell maturation and immune activity
  • May enhance adaptive immune function
  • Designed for immune modulation and support
  • May assist with immune resilience and recovery
Per Vial $300 / 5mL vial · 5mg/mL

Common Questions

What is LL-37 and how does it support immunity?

LL-37 is a naturally occurring antimicrobial peptide — part of your body's innate immune defense. It may help fight bacterial, viral, and fungal pathogens directly, while also modulating inflammatory responses. Think of it as reinforcing your immune system's first responders rather than broadly stimulating the entire immune system.

Is Thymosin Alpha-1 the same as Thymosin Beta-4 (TB-500)?

No — they're different peptides with different functions. Thymosin Alpha-1 is an immune-modulating peptide that supports T-cell maturation and adaptive immune function. TB-500 (Thymosin Beta-4 fragment) is a healing peptide focused on tissue repair and inflammation. The names are similar because they're both derived from the thymus gland, but they serve very different purposes.

Can I take immune peptides if I have an autoimmune condition?

Immune-modulating peptides require careful consideration for anyone with autoimmune conditions. Thymosin Alpha-1 is actually being studied for its potential to help regulate (not just boost) immune function, which may be relevant for some autoimmune situations. However, this absolutely requires a clinician consultation — never self-prescribe immune peptides with an existing autoimmune condition.

Are these peptides FDA-approved?

Peptide products offered here are not FDA-approved. They have not been reviewed by the FDA for safety, efficacy, or quality; are not substitutes for FDA-approved drugs; and do not have equivalent clinical trial data. All protocols are prescribed off-label by licensed clinicians using pharmacy-compounded formulations.

Start My Free Assessment →

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Start your free assessment and a 1stRX Vitality clinician will review your health profile and build your peptide protocol.

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