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Peptides
Abarelix
Hormone Support
Acetyl Hexapeptide-3 (Argireline)
Cosmetic
Adipotide
Weight Management
Adrenomedullin
Healing & Recovery
Alexamorelin
Growth Hormone
Angiotensin (1-7)
Healing & Recovery
AOD-9604
Weight Management
Apelin-13
Healing & Recovery
ARA-290 (Cibinetide)
Healing & Recovery
Bestatin (Ubenimex)
Immune
BPC-157
Healing & Recovery
Buserelin
Hormone Support
Cagrilintide
Weight Management
Capromorelin
Growth Hormone
Cartalax
Anti-Aging
Cathelicidin (hCAP-18 / Synthetic Derivatives)
Immune
Cerebrolysin
Cognitive
Cerluten
Cognitive
Cetrorelix
Hormone Support
Chonluten
Immune
CJC-1295 (No DAC)
Growth Hormone
CJC-1295 with DAC
Growth Hormone
Copper Tripeptide-1 (GHK-Cu)
Cosmetic
Cortexin
Cognitive
Crystagen
Immune
Daptomycin
Immune
Defensin (HBD-2)
Immune
Defensin (HBD-3)
Immune
Degarelix
Hormone Support
Dihexa
Cognitive
DSIP (Delta Sleep-Inducing Peptide)
Sleep & Recovery
Dulaglutide
Weight Management
Enalapril
Healing & Recovery
Epithalon
Anti-Aging
Exenatide
Weight Management
Fertirelin
Hormone Support
Ganirelix
Hormone Support
GHK-Cu
Cosmetic
GHRH (1-29)
Growth Hormone
GHRP-2
Growth Hormone
GHRP-6 (Growth Hormone Releasing Peptide-6)
Growth Hormone
Gonadorelin (GnRH)
Hormone Support
Gramicidin
Immune
Hexarelin
Growth Hormone
Human Chorionic Gonadotropin (HCG)
Hormone Support
Human Growth Hormone (HGH)
Growth Hormone
IGF-1 LR3
Growth Hormone
Immunoxel (Dzherelo)
Immune
Imunofan
Immune
Intermedin (Adrenomedullin-2)
Healing & Recovery
Ipamorelin
Growth Hormone
Kisspeptin-10
Sexual Health
KPV (Alpha-MSH Fragment)
Healing & Recovery
Lactoferricin B
Immune
Larazotide
Healing & Recovery
Lentinan
Immune
Leuphasyl
Cosmetic
Leuphasyl
Cosmetic
Leuprolide
Hormone Support
Liraglutide
Weight Management
Livagen
Anti-Aging
Lixisenatide
Weight Management
LL-37
Immune
Macimorelin
Growth Hormone
Magainin-2
Immune
Mazdutide
Weight Management
Melanotan-2
Cosmetic
MK-677 (Ibutamoren)
Growth Hormone
MOTS-c
Metabolic
Myristoyl Pentapeptide-17
Cosmetic
N-Acetyl Selank
Cognitive
N-Acetyl Semax Amidate
Cognitive
NAD+
Mitochondrial
Nafarelin
Hormone Support
Natriuretic Peptide (ANP)
Healing & Recovery
Nesiritide (BNP)
Healing & Recovery
Nisin
Immune
Noopept (Omberacetam)
Cognitive
Orforglipron
Weight Management
Ovagen
Anti-Aging
Oxytocin Acetate
Hormone Support
P21 (P021)
Cognitive
PACAP-38
Healing & Recovery
Palmitoyl Oligopeptide
Cosmetic
Palmitoyl Pentapeptide-4 (Matrixyl)
Cosmetic
Palmitoyl Tetrapeptide-7
Cosmetic
Palmitoyl Tripeptide-1
Cosmetic
Pancragen
Metabolic
PEG-MGF
Healing & Recovery
Pemvidutide
Weight Management
Pentadecapeptide (BPC Analog)
Healing & Recovery
Pidotimod
Immune
Pinealon
Cognitive
PNC-27
Immune
Polymyxin B
Immune
Pralmorelin (GHRP-2)
Growth Hormone
Pramlintide
Weight Management
Prostamax
Hormone Support
PT-141 (Bremelanotide)
Sexual Health
Relaxin-2 (Serelaxin)
Healing & Recovery
Retatrutide
Weight Management
Selank
Cognitive
Semaglutide
Weight Management
Semax
Cognitive
Sermorelin
Growth Hormone
Setmelanotide
Weight Management
SLU-PP-332
Metabolic
SM-130686
Growth Hormone
Snap-8
Cosmetic
SS-31 (Elamipretide)
Mitochondrial
Substance P Antagonists
Healing & Recovery
Survodutide
Weight Management
SYN-AKE
Cosmetic
Tabimorelin
Growth Hormone
TB-500
Healing & Recovery
Tesamorelin
Growth Hormone
Testagen
Hormone Support
Thymalin
Immune
Thymopentin (TP-5)
Immune
Thymopoietin
Immune
Thymosin Alpha-1
Immune
Thymosin Beta-4
Healing & Recovery
Thymulin (FTS)
Immune
Thymulin Analog (PAT)
Healing & Recovery
Tirzepatide
Weight Management
Tripeptide-29
Cosmetic
Triptorelin
Hormone Support
Ularitide
Healing & Recovery
Urocortin
Healing & Recovery
Ventfort
Anti-Aging
Vesilute
Hormone Support
Vilon
Immune
VIP (Vasoactive Intestinal Peptide)
Healing & Recovery
Xenin-25
Metabolic
Ziconotide (Prialt)
Healing & Recovery
Total Peptides: 135
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Growth Hormone Protocol

SermorelinComplete Dosing & Administration Guide

The original growth hormone booster that works with your body's natural rhythm—it tells your pituitary gland to release more GH instead of replacing it, keeping your hormonal feedback system healthy and balanced.

Dose Range

100-300mcg

Frequency

Once daily

Route

Subcutaneous injection

Cycle Length

12+ weeks

Dosing

How much
do I take?

Starting Dose

100-200 mcg

Frequency

Once daily at bedtime

Duration

4-6 weeks

Start here to assess your tolerance and response. Inject about 30 minutes before bed on an empty stomach (no food for 2-3 hours). This timing syncs with your body's natural nighttime GH surge.

Standard Dose

200-300 mcg

Frequency

Once daily at bedtime

Duration

3-6 months

The most commonly used protocol in clinical settings. Some practitioners recommend twice-daily dosing (morning and bedtime) for enhanced effects. Consistent daily use is key—skipping doses reduces effectiveness.

Advanced Dose

300-500 mcg

Frequency

Once or twice daily

Duration

3-6 months or longer

Higher doses used in some clinical studies. Twice-daily protocols (morning and evening) showed better results in research. Always work with a healthcare provider at these doses. Benefits typically plateau—more isn't always better.

Timing

Best time to take

Bedtime injection (30-60 minutes before sleep) is ideal because it amplifies your body's natural nighttime GH pulse. Some protocols add a morning dose on waking for enhanced effects.

With food?

Inject on an empty stomach—avoid eating for 2-3 hours before injection. Food, especially carbohydrates, can blunt the GH response by raising insulin levels. Fasting enhances sermorelin's effectiveness.

If stacking

Sermorelin pairs excellently with Ipamorelin or GHRP-2/6 for synergistic GH release—they work through different pathways. If stacking, inject at the same time but at different sites. CJC-1295 (without DAC) can extend the GH pulse duration.

Adjusting Your Dose

Increase if

  • +You've used the starting dose for 4+ weeks with no noticeable effects
  • +Your IGF-1 levels haven't risen on follow-up blood work
  • +You want to try twice-daily dosing for enhanced results
  • +Your healthcare provider recommends based on your labs

Decrease if

  • -You experience persistent headaches or dizziness
  • -Facial flushing becomes uncomfortable or prolonged
  • -You feel jittery, anxious, or have trouble sleeping
  • -Injection site reactions are significant

Signs of right dose

  • Improved sleep quality—falling asleep easier, deeper sleep
  • Increased energy and sense of well-being
  • Gradual improvements in body composition over months
  • IGF-1 levels rising into healthy range on blood work

Dosing Calculator

Calculate Your Exact Dose

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Step 1: Peptide Weight

Find the weight printed on your peptide vial label

Look here!

The weight is on the label

Peptide vial
5mg

Select Weight

mg

Look for a number followed by 'mg' on the vial label (e.g., 5mg, 10mg)

Administration

How do I
use it?

Reconstitution

What you need

  • Bacteriostatic water (BAC water)—the preservative allows multiple uses
  • Insulin syringes (29-31 gauge) for injection
  • Alcohol swabs for cleaning vial tops and injection sites
  • Your sermorelin powder vial

Example

If you have a 5mg vial and add 2.5mL of BAC water, you get a concentration of 2mg/mL (or 2000mcg/mL). So every 0.1mL (10 units on an insulin syringe) equals 200mcg of sermorelin.

For a 300mcg dose at 2mg/mL concentration: 300mcg ÷ 2000mcg/mL = 0.15mL, which is 15 units on a standard insulin syringe.

Injection

Route

Subcutaneous injection (just under the skin)—the standard and most effective method for sermorelin

Best sites

  • Belly fat area (about 2 inches from your belly button)
  • Front or outer thigh (middle section)
  • Back of the upper arm

Technique

  • 1.Wash your hands thoroughly with soap and water
  • 2.Clean the injection site with an alcohol swab and let it air dry
  • 3.Pinch about an inch of skin to create a fold
  • 4.Insert the needle at a 45-90 degree angle (45 if lean, 90 if more tissue)
  • 5.Inject slowly and steadily over a few seconds
  • 6.Wait 5-10 seconds before withdrawing the needle
  • 7.Apply light pressure if needed—don't rub the site
Full Injection Guide

Storage

Before reconstitution

Keep your sermorelin powder refrigerated at 36-46°F (2-8°C) for up to several months. For longer storage, freeze at -4°F (-20°C) or colder. Store in the original sealed vial away from light. Properly stored powder remains stable for 1-2 years.

After reconstitution

Once mixed with bacteriostatic water, refrigerate at 36-46°F (2-8°C). Never freeze the reconstituted solution—freezing destroys the peptide. Keep away from light and use within 14-28 days for best potency.

Signs of degradation

  • Cloudy or hazy appearance (should be crystal clear)
  • Visible particles or floaters in the solution
  • Color changes—any discoloration means discard it
  • Reduced effectiveness despite proper dosing

Sample Daily Schedule

Bedtime (30-60 minutes before sleep)

200-300 mcg injection

Site: Rotate between belly, thigh, and arm

Primary injection timing. Inject on an empty stomach for best results. This amplifies your natural nighttime GH surge during deep sleep.

Morning (optional, upon waking)

100-200 mcg injection

Site: Different site than evening injection

Optional second dose for enhanced protocols. Wait at least 30 minutes before eating. Creates an additional GH pulse to complement the nighttime release.

Safety

Is it
safe?

Safety Profile

Sermorelin has an excellent safety profile backed by FDA approval history and decades of clinical use. Unlike direct HGH, it works through your body's natural feedback mechanisms, which inherently limits excessive hormone levels. Side effects are generally mild and transient—mostly injection site reactions and occasional flushing. The peptide was FDA-approved in 1997 for pediatric use and is one of the most well-studied growth hormone secretagogues available.

Safety data comes from FDA approval studies, multiple clinical trials in both children and adults, and decades of real-world clinical use. While the FDA approval was withdrawn in 2008 due to manufacturing issues (not safety concerns), sermorelin remains available through compounding pharmacies and continues to be prescribed by physicians specializing in hormone optimization.

Common Side Effects

Experienced by some users

Injection site reactions

Redness, swelling, itching, or mild pain at the injection site. This is your skin's normal response to the needle and solution.

Management: Rotate injection sites regularly. Use proper technique and let alcohol dry completely before injecting. Usually resolves within 24-48 hours.

Facial flushing

A warm, red feeling in your face shortly after injection. This happens because sermorelin can briefly affect blood vessel dilation.

Management: This is temporary and typically lasts only 5-15 minutes. It's not dangerous and usually decreases with continued use as your body adjusts.

Headache

Mild headaches can occur, especially when starting treatment. May be related to changes in hormone levels or blood flow.

Management: Stay well-hydrated. If persistent, try reducing your dose. Usually improves within the first week or two of treatment.

Sleepiness or drowsiness

Feeling tired after injection is common, which is why bedtime dosing works well. Your body is responding to the GH release.

Management: Inject at bedtime to take advantage of this effect. If using morning doses and drowsiness is problematic, reduce the morning dose.

Less Common

  • Nausea
  • Hyperactivity or difficulty sleeping

These typically resolve with continued use or dose adjustment.

Stop and Seek Help If

  • ×Any signs of allergic reaction—stop immediately and seek medical help
  • ×Persistent headaches that worsen or don't improve after 2 weeks
  • ×Significant fluid retention or swelling that doesn't resolve
  • ×Development or worsening of carpal tunnel symptoms
  • ×Blood sugar control becomes difficult (if diabetic)
  • ×Your healthcare provider advises discontinuation based on labs or symptoms

Sermorelin should be used under the guidance of a qualified healthcare provider. While it has a strong safety record, it's a prescription peptide that requires proper monitoring. This information is educational—not medical advice. Always consult your doctor before starting, stopping, or changing any hormone therapy.

Interactions

With other peptides

  • Excellent synergy—works through GHRP pathway while sermorelin works through GHRH pathway. Together they create stronger, more consistent GH release.
  • Can extend the duration of the GH pulse initiated by sermorelin. Popular combination in anti-aging protocols.
  • Similar synergy to Ipamorelin. GHRP-6 may increase hunger more. Both enhance sermorelin's effects through complementary pathways.
  • Safe to combine. BPC-157 works on healing while sermorelin supports GH. Different mechanisms, potentially complementary benefits.

With medications

  • !Glucocorticoids (prednisone, cortisol) - High-dose steroids can significantly blunt GH response to sermorelin. May reduce effectiveness of therapy.
  • !Insulin - GH affects blood sugar. If diabetic, monitor closely and work with your doctor to adjust insulin as needed.
  • Thyroid medications - GH can affect thyroid hormone metabolism. Monitor thyroid function regularly and adjust medications if needed.
  • !Somatostatin analogs (octreotide) - Directly opposes sermorelin's action by blocking GH release. Do not combine—they work against each other.

With supplements

  • Arginine - May enhance GH release when taken with sermorelin. Some practitioners recommend arginine supplementation.
  • GABA - May have additive effects on GH release and sleep quality. Generally safe to combine.
  • Melatonin - Safe to combine. Both support sleep, and melatonin may have mild GH-supporting effects.
  • High-glycemic carbohydrates - Eating carbs around injection time spikes insulin and blunts GH release. Avoid food 2-3 hours before injection.

Want the Full Picture?

View the complete Sermorelin research profile including mechanism of action, clinical studies, effectiveness timeline, and FAQ.

View Full Sermorelin Profile

Medical Disclaimer

Sermorelin is an investigational research compound not approved by the FDA for human therapeutic use. This information is for educational purposes only and should not be construed as medical advice. Always consult with a qualified healthcare provider before starting any new supplement or treatment protocol.

Last updated: Feb 8, 2026

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