View Report
August 9, 2025
Batch: CRT625
Measured Result 11.83 IU 118.3% of label claim
Peptide Hubs
Peptide Hubs
Latest Laboratory Result 11.83 IU August 9, 2025 · 118.3% of label claim View
PH-Tropin HGH 100 IU
Product Information Compound Details
Active Substance Somatropin Recombinant Human Growth Hormone (191 amino acids)
10 IU/vialVial Strength 10 IU/vial
Package 10 Vials 100 IU total per kit
Form Lyophilized Powder
Vial Size 2 mL Vial
Drug Class Human Growth Hormone
Manufacturer Peptide Hubs
$230.00
Shipping :
International
U.S. Domestic
Product Overview
PH-Tropin HGH 100 IU by Peptide Hubs
PH-Tropin HGH 100 IU is a lyophilized Somatropin research product manufactured by Peptide Hubs and supplied as a 10 IU/vial powder in a 10-vial kit, totaling 100 IU.
Somatropin Injectable
PH-Tropin HGH 100 IU contains somatropin, a recombinant human growth hormone identical in sequence to the 191-amino-acid hormone produced by the human pituitary gland. Somatropin is FDA-approved for specific medical indications including pediatric growth hormone deficiency, Turner syndrome, idiopathic short stature, and adult growth hormone deficiency. It acts through the growth hormone receptor, triggering JAK-STAT, PI3K/AKT, and MAPK signaling pathways that promote cellular proliferation, differentiation, and metabolic balance.
Somatropin exerts its effects both directly through interaction with the growth hormone receptor and indirectly through stimulation of insulin-like growth factor-1 (IGF-1) production in the liver and peripheral tissues. The GH-IGF-1 axis is critical for bone growth, lipid and carbohydrate metabolism, and organ-specific physiological functions. In medical practice, therapy is individualized based on clinical response, with dosing regimens divided over 6 or 7 days per week of subcutaneous injections.
PH-Tropin HGH 100 IU is not an FDA-approved drug product; it is sold as a research compound. The FDA-approved somatropin products are prescription medications requiring clinical supervision, diagnosis, and ongoing monitoring. Non-medical use of somatropin for performance enhancement or body composition purposes falls outside approved indications. Common adverse reactions reported in clinical trials of somatropin include upper respiratory infection, headache, edema, arthralgia, myalgia, carpal tunnel syndrome, and impaired glucose tolerance.
Key Benefits of PH-Tropin HGH 100 IU
- Lyophilized powder format for reconstitution flexibility
- 10 IU per vial, 10-vial kit totaling 100 IU
- Studied for effects on growth, metabolism, and recovery
- Lab-tested for potency and content accuracy
- Manufactured by Peptide Hubs
Formulation
Lyophilized Powder
PH-Tropin HGH 100 IU is supplied as a lyophilized (freeze-dried) powder in 2 mL vials. Reconstitution with an appropriate solvent is required before use in research contexts.
Product Profile
Somatropin Profile
Somatropin is a recombinant human growth hormone with a molecular weight of approximately 22,124 Da. It consists of 191 amino acids and is produced using recombinant DNA technology.
Recombinant Human Growth Hormone
Somatropin belongs to the class of recombinant human growth hormone products. It is identical in sequence to pituitary-derived human growth hormone and binds to dimeric growth hormone receptors located within the cell membranes of target tissue cells. Receptor activation triggers JAK-STAT, PI3K/AKT, and MAPK signaling cascades, promoting cellular proliferation, differentiation, and metabolic balance.
The pharmacokinetic profile of somatropin shows a mean apparent terminal half-life of approximately 2.0 hours in healthy adult subjects following subcutaneous administration, with a terminal elimination half-life of approximately 7 to 10 hours in growth hormone deficient patients. The hormone is administered by subcutaneous injection with regular rotation of injection sites to avoid lipoatrophy.
In non-medical bodybuilding contexts, somatropin is referenced for its potential effects on lean mass, fat reduction, and recovery. However, somatropin is a prescription medication in the United States, and its use for performance enhancement falls outside approved indications. The FDA-approved labeling for somatropin products includes warnings for intracranial hypertension, hypersensitivity, fluid retention, hypoadrenalism, hypothyroidism, slipped capital femoral epiphysis in pediatric patients, progression of preexisting scoliosis, and pancreatitis.
Defining Characteristic
Dual Mechanism: Direct and IGF-1-Mediated
Somatropin exerts effects through both direct interaction with growth hormone receptors and indirect stimulation of IGF-1 production. This dual mechanism underlies its broad physiological effects on growth, metabolism, and tissue function.
PH-Tropin HGH 100 IU vs Other Peptide Hubs Preparations
Peptide Hubs offers several research peptides targeting growth hormone and metabolic pathways. Within this lineup, Sermorelin is a GHRH analog that stimulates endogenous growth hormone release through pituitary receptors, while Ipamorelin acts as a ghrelin receptor agonist to trigger pulsatile GH secretion. These secretagogues operate upstream of somatropin, relying on endogenous pituitary function.
For research focused on IGF-1 receptor signaling rather than GH receptor activation, IGF-1 LR3 represents a different mechanism entirely. For research requiring a reconstitution solution, Bacteriostatic Water is the standard diluent for preparing lyophilized peptides and proteins.
Laboratory Testing
PH-Tropin HGH 100 IU Lab Reports
Published laboratory reports for PH-Tropin HGH 100 IU are shown below with the test date, measured content, and batch number.
View Report
Laboratory results apply to the specific tested sample represented in each published report and should not be interpreted as a measurement of every vial or production batch.
Dosage & Usage
PH-Tropin HGH 100 IU Dosage & Usage
The information below is provided for educational reference only. Somatropin is a prescription medication; medical use requires appropriate diagnosis, clinical supervision, and ongoing monitoring. Non-medical use falls outside approved indications.
Typical Dosage Ranges
In medically supervised growth hormone therapy, somatropin dosing is individualized based on the patient's growth response and clinical indication. The FDA-approved labeling for somatropin products describes weight-based dosing for pediatric patients and non-weight-based dosing for adults. Adult growth hormone deficiency replacement typically starts at a lower dose with gradual titration to minimize adverse effects.
| Use Case | Common Reference Range | Injection Frequency |
|---|---|---|
| Pediatric GHD (medical) | Individualized by clinician | Divided over 6–7 days/week |
| Adult GHD replacement (medical) | Low starting dose, titrated | Daily subcutaneous |
| Non-medical bodybuilding (anecdotal) | 2–4 IU/day commonly referenced | Daily or split |
Non-medical community protocols commonly reference 2–4 IU per day, though this is anecdotal and not supported by clinical evidence for performance enhancement. Medical dosing is always individualized and requires bloodwork monitoring.
Reconstitution & Handling
PH-Tropin HGH 100 IU is supplied as a lyophilized powder and requires reconstitution before use. For research contexts, bacteriostatic water is commonly used. A 10 IU vial reconstituted with 1 mL of solvent yields a concentration of 10 IU/mL, meaning a 2 IU dose would require drawing 0.2 mL (20 units on a U-100 insulin syringe).
Reconstituted somatropin should be stored refrigerated at 2–8°C and used within the timeframe recommended for the preparation. Freezing should be avoided.
Stacking & Cycle Considerations
In non-medical bodybuilding contexts, somatropin is sometimes discussed alongside other compounds targeting growth pathways, though no clinical evidence supports such combinations. Some research protocols reference combining it with IGF-1 LR3 for complementary growth factor signaling, though this represents an unstudied combination.
Cycle lengths in non-medical contexts vary widely, with some users reporting extended use and others cycling. There is no established protocol for non-medical use.
Important
Individual Response Varies
Somatropin dosing must be individualized in medical practice based on clinical response, laboratory results, and tolerability. No established dosing protocol exists for non-medical use, and the information above is for educational reference only.
Safety & Information
Somatropin Safety Information
Somatropin is a prescription medication with FDA-approved indications and specific warnings. Medical use requires appropriate diagnosis, clinical supervision, and ongoing monitoring.
Important Safety Information
Somatropin therapy is intended for appropriately diagnosed growth hormone deficiency or other FDA-approved indications. Clinical evaluation considers compatible symptoms, growth patterns, and laboratory results. The FDA-approved labeling includes warnings for intracranial hypertension, hypersensitivity reactions, fluid retention, hypoadrenalism, hypothyroidism, slipped capital femoral epiphysis, progression of preexisting scoliosis, and pancreatitis.
Patients with epiphyseal closure who were treated with somatropin in childhood should be reevaluated before continuation of therapy at reduced adult doses. Elderly patients may be more sensitive to somatropin and may require lower starting doses and smaller dose increments.
Important
Non-Medical Use
Somatropin is FDA-approved only for specific medical indications. Non-medical use for bodybuilding or performance enhancement falls outside approved indications and is not supported by safety or efficacy data.
Potential Adverse Effects
Common adverse reactions reported in adult and pediatric patients include upper respiratory infection, fever, pharyngitis, headache, otitis media, edema, arthralgia, paresthesia, myalgia, carpal tunnel syndrome, peripheral edema, flu syndrome, hypothyroidism, hyperglycemia, and impaired glucose tolerance.
In clinical trials of somatropin in HIV-associated wasting, musculoskeletal discomfort and increased tissue turgor were the most common adverse reactions, with approximately 23% of patients receiving the higher daily dose requiring dose reductions. Other reported adverse drug reactions include mild, transient peripheral edema, arthralgias, and carpal tunnel syndrome.
Long-term overdosage could result in signs and symptoms of gigantism and/or acromegaly consistent with the known effects of excess growth hormone.
Conditions Requiring Medical Evaluation
Somatropin therapy is not appropriate for everyone. Medical guidelines identify circumstances in which treatment should be avoided or carefully evaluated, including known or suspected malignancy, diabetic retinopathy, and other conditions. Existing medical conditions should be discussed with a qualified healthcare professional before somatropin therapy is considered.
Monitoring During Therapy
Medically supervised somatropin therapy typically involves follow-up assessment to evaluate treatment response, adverse effects, and relevant laboratory markers. Monitoring may include IGF-1 levels, thyroid function, glucose metabolism, and fundoscopic examinations to exclude papilledema.
Product Care
Storage & Handling
Store lyophilized powder refrigerated between 2°C to 8°C. Protect from light by keeping in the original carton. Do not freeze. Once reconstituted, store refrigerated and use within the recommended timeframe. Keep out of reach of children.
Further Safety Information
Shipping & Authenticity
Shipping & Product Authenticity
PH-Tropin HGH 100 IU is supplied through the official Peptide Hubs distribution chain and shipped in original manufacturer packaging with discreet handling.
USA Domestic 3–5 business days
International 10–15 business days
Order Processing 24–48 business hours
Tracking Provided after dispatch
Direct Supply
Discreet Delivery & Original Packaging
The outer shipping package remains discreet, with privacy-focused handling. Products are supplied through the official Peptide Hubs distribution chain.
What to Expect
- Orders are processed after payment confirmation
- USA Domestic shipping is typically faster when local stock is selected
- International orders include tracking, though update frequency may vary
- Multiple warehouses may result in separate shipments when applicable
Authenticity Verification
To verify your PH-Tropin HGH 100 IU product, use the security code on the vial label and cross-check it on the Peptide Hubs official site. Original packaging and manufacturer presentation help reinforce product legitimacy.
For complete delivery details, tracking policy, and reshipment terms, please see our Shipping Info page.
Storage
PH-Tropin HGH 100 IU Storage
Proper storage conditions help preserve protein stability and integrity throughout shelf life.
Recommended Conditions
Store lyophilized powder refrigerated between 2°C to 8°C. Protect from light by keeping in the original carton. Do not freeze.
Once reconstituted, store refrigerated at 2–8°C and use within the recommended timeframe for the preparation. Do not freeze reconstituted solution.
Keep out of reach of children. Follow proper handling practices.
Quick Reference
Do & Don't
- Do store powder refrigerated at 2–8°C
- Do keep in original carton to protect from light
- Do refrigerate reconstituted solution
- Don't freeze the product
- Don't expose to excessive heat
- Don't use if solution appears cloudy or contains particles
Frequently Asked Questions
PH-Tropin HGH 100 IU FAQ
Answers to common questions about PH-Tropin HGH 100 IU, Somatropin, and growth hormone research.
What is PH-Tropin HGH 100 IU used for?
PH-Tropin HGH 100 IU contains somatropin, a recombinant human growth hormone. In medical practice, somatropin is FDA-approved for specific indications including pediatric growth hormone deficiency, Turner syndrome, idiopathic short stature, and adult growth hormone deficiency. Non-medical use for bodybuilding or performance enhancement falls outside approved indications.
How often should PH-Tropin HGH 100 IU be injected?
In medically supervised therapy, somatropin dosing is individualized and typically divided over 6 or 7 days per week of subcutaneous injections. Non-medical community protocols commonly reference daily administration, but this is anecdotal and not supported by clinical evidence for performance enhancement.
Does PH-Tropin HGH 100 IU require PCT?
Somatropin does not suppress endogenous testosterone production and does not require post-cycle therapy in the way anabolic steroids do. However, somatropin can affect glucose metabolism and other physiological systems, and any non-medical use should be approached with caution.
What does Somatropin do?
Somatropin binds to growth hormone receptors and triggers JAK-STAT, PI3K/AKT, and MAPK signaling pathways that promote cellular proliferation, differentiation, and metabolic balance. It also stimulates IGF-1 production in the liver and peripheral tissues, which mediates many of its growth-promoting effects.
How long does Somatropin take to work?
Somatropin has a mean apparent terminal half-life of approximately 2.0 hours in healthy adult subjects following subcutaneous administration. Clinical effects on growth and body composition typically develop over weeks to months of consistent use under medical supervision.
Is Somatropin the best growth hormone?
Somatropin is the recombinant form of human growth hormone, identical in sequence to the endogenous hormone. It is the active ingredient in FDA-approved growth hormone products. Other compounds like sermorelin or ipamorelin stimulate endogenous GH release rather than providing exogenous hormone.
What is the difference between PH-Tropin HGH 100 IU and Sermorelin?
Somatropin is exogenous growth hormone, while Sermorelin is a GHRH analog that stimulates the pituitary to release endogenous growth hormone. Somatropin acts directly on target tissues, while sermorelin relies on pituitary function.
What is the difference between PH-Tropin HGH 100 IU and Ipamorelin?
Somatropin is recombinant growth hormone that acts directly on GH receptors, while Ipamorelin is a ghrelin receptor agonist that triggers pulsatile GH release from the pituitary. They operate through different mechanisms.
Is 2 IU of Somatropin a lot?
Without considering the medical indication, individual response, and clinical context, it is impossible to characterize any dose as appropriate or excessive. Medical somatropin dosing is always individualized based on clinical response and laboratory results.
What strength is PH-Tropin HGH 100 IU?
PH-Tropin HGH 100 IU is supplied as 10 IU per vial in a 10-vial kit, totaling 100 IU per kit. Each vial contains lyophilized powder in a 2 mL vial.
Is PH-Tropin HGH 100 IU lab tested?
Yes. A published laboratory report dated August 9, 2025 measured PH-Tropin HGH at 11.83 IU per vial, equivalent to 118.3% of its 10 IU label claim. The batch number is CRT625.
How should PH-Tropin HGH 100 IU be stored?
Store the lyophilized powder refrigerated between 2°C to 8°C and protect from light by keeping in the original carton. Do not freeze. Once reconstituted, refrigerate and use within the recommended timeframe.
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Product Information Compound Details
Active Substance Somatropin Recombinant human growth hormone (191 amino acids)
10 or 20 IU/vialVial Strength 10 IU or 20 IU
Package 1 Kit [10 x 2 mL Vials] 100 IU or 200 IU total per kit
Form Lyophilized Powder
Drug Class Human Growth Hormone
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Product Information Compound Details
Active Substance Somatropin Recombinant Human Growth Hormone (HGH)
100 or 200 IUVial Strength 10 IU or 20 IU
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Form Lyophilized Powder
Drug Class Human Growth Hormone
Protein Type 191-Amino-Acid Protein
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10 IU / 20 IUVial Strength 10 IU or 20 IU
Package 10 Vials 100 IU or 200 IU total per kit
Form Lyophilized Powder
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Drug Class Human Growth Hormone
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Product Information Compound Details
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10 IU / 20 IUVial Strength 10 IU or 20 IU
Package 10 Vials 100 IU or 200 IU total per kit
Form Lyophilized Powder
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