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Tesamorelin
Tesamorelin 10/30 mg – synthetic GHRH analogue
Peptology Ltd. · Recovery and anabolic peptides
Tesamorelin is a synthetic GHRH analogue that Peptology supplies strictly for laboratory research, in 10/30 mg. You can buy Tesamorelin in Cyprus online from €60.00, with same-day dispatch for orders placed by 15:00. 99%+ purity, HPLC/MS certificate for every batch, so every vial comes with documented quality data. Delivery in 5–7 working days with BOX NOW, free from €50; you pay on delivery – by card through the BOX NOW payment link, before you open the locker. The product is not intended for human or veterinary use.
60,00 € · In stock
- 10mg — 60,00 €
- 30mg — 129,00 €
For research use only / Not a medicine
| Purity | >99% |
|---|---|
| Method | HPLC + LC/MS |
| Laboratory | Analiza Białek |
| Batch | 0226 |
Last updated: 18/10/2026
What is Tesamorelin?
Tesamorelin (TH9507) is a stabilised synthetic analogue of GHRH (growth hormone-releasing hormone) — a peptide of 44 amino acids with a modification at the N-terminus that protects it from rapid degradation. It stimulates the pituitary to secrete growth hormone (GH) in a natural, pulsatile manner. It is the most studied GHRH analogue for reduction of visceral (abdominal) fat.
Unlike shorter-lived GHRH analogues such as CJC-1295 without DAC, Tesamorelin has a stronger and more stable action on the GH/IGF-1 axis.
It is studied in research for reduction of visceral adipose tissue (VAT), raising IGF-1 levels, improving body composition and, in some works, for cognitive endpoints. See the whole range in the all peptides category.
In the Peptology version, it is supplied as a lyophilised research-grade powder with purity > 99%, in two formats — 10 mg and 30 mg. It is intended exclusively for scientific, research and in vitro applications — it is not a medicine or a supplement and is prohibited in sport (WADA).
Available formats: 10 mg and 30 mg
10 MG
Typical form
For validation experiments and protocols of usual size.
30 MG
Extended form
For longer courses and higher-consumption protocols.
⚠ Important for Tesamorelin 30 mg: Because of its high concentration, it is a special, highly concentrated peptide. It is perfectly normal for the solution to look slightly milky/off-white after reconstitution. It is NOT normal for the solution to be yellow or brown, or to contain visible particles — in that case do not use it.
Both forms have purity > 99% and a laboratory certificate for each batch. The choice depends on the scale of the protocol.
How Tesamorelin works — the GHRH → GH → IGF-1 axis
PITUITARY STIMULATION
As a GHRH analogue, it binds to the pituitary GHRH receptors and stimulates growth hormone secretion — preserving natural pulsatility.
IGF-1 INCREASE
The increased GH stimulates the liver to produce IGF-1, the main mediator of the anabolic and metabolic actions of the axis.
VAT LIPOLYSIS
Growth hormone promotes lipolysis, with a particular effect on visceral fat — the main studied endpoint of Tesamorelin.
Why a “stabilised” analogue
Natural GHRH is degraded rapidly in plasma. Tesamorelin carries a modification (trans-3-hexenoyl) at the N-terminus that increases stability and duration of action, while retaining the physiological, pulsatile character of GH secretion — unlike the continuous stimulation caused by some other molecules.
Because it acts upstream on the axis (stimulating the pituitary itself), the natural negative-feedback mechanism is preserved — a theoretical safety advantage over exogenous GH administration. The mechanisms come from clinical and preclinical studies.
Properties and pharmacology
- Class: stabilised synthetic GHRH analogue (peptide of 44 amino acids)
- Target: pituitary GHRH receptors
- Axis of action: GHRH → growth hormone (GH) → IGF-1
- Main studied endpoint: reduction of visceral adipose tissue (VAT)
- Characteristic: preserves pulsatile, physiological GH secretion
- Status: here a research product; prohibited in sport (WADA)
Tesamorelin vs. CJC-1295 (DAC) vs. CJC-1295 (without DAC)
Comparison of the main GHRH analogues studied for the GH/IGF-1 axis. Reference data.
| Tesamorelin | CJC-1295 DAC | CJC without DAC | |
|---|---|---|---|
| Category | GHRH analogue (stabilised) | GHRH analogue + DAC | GHRH analogue (Mod GRF) |
| Duration of action | Moderate | Very prolonged (~days) | Short (pulse) |
| Main focus of studies | Visceral fat (VAT) | Consistently high GH/IGF-1 | Physiological GH pulse |
| Regulatory approval | Yes (certain markets) | No (research) | No (research) |
| Status here | Research (WADA-prohibited) | Research (WADA-prohibited) | Research (WADA-prohibited) |
Sources: clinical studies of Tesamorelin on visceral fat and literature on GHRH analogues.
Research
Reduction of visceral fat
In randomised controlled clinical studies, Tesamorelin significantly reduced visceral adipose tissue in people with accumulation of abdominal fat, with a corresponding improvement in body-composition markers.
IGF-1 and metabolic markers
Administration raises IGF-1 levels, with studied effects on triglycerides and other metabolic markers. Monitoring of IGF-1 is a central element in research protocols.
Data limitations
Although there are strong clinical data in the approved population, use outside it is not fully characterised. Tesamorelin is also prohibited by WADA.
Note: Scientific reference based on clinical/preclinical data. It is not medical advice or a claim for the product.
In brief — scientific profile
- Stabilised GHRH analogue — stimulates natural, pulsatile GH secretion
- Main endpoint: visceral fat (VAT) — the most studied GHRH analogue for the purpose
- Raises IGF-1 — central monitoring point
- The only approved GHRH analogue — here a research product
- Two formats — 10 mg and 30 mg for different protocol scales
- Research product — not approved here; prohibited in sport (WADA)
Side effects and safety
From the clinical data, the reactions reported are mainly related to the increased GH/IGF-1 action and to injection-site reactions.
Common
- Injection-site reactions
- Arthralgia / myalgia
- Oedema / fluid retention
Less common
- Paraesthesia / numbness
- Carpal tunnel syndrome
- Changes in glucose
Precautions
- Allergic reaction / hypersensitivity
- Contraindicated in active malignancy (IGF-1 axis)
- Caution regarding glucose intolerance
Because the GH/IGF-1 axis is related to cell proliferation, there is a precaution in states of active malignancy. Scientific reference, not instructions for use.
Related peptides
CJC-1295 with DAC
Long-acting GHRH analogue
CJC-1295 without DAC
Short-acting GHRH analogue
IGF-1 LR3
IGF-1 analogue, mediator of the axis
Peptide Matrix Water™
Recommended reconstitution solvent
See: All peptides · Blog
Research warning: Tesamorelin is offered exclusively for scientific, research and in vitro purposes. It is not intended for human/veterinary use, or for the diagnosis, treatment or prevention of any condition, and does not constitute medical advice. Tesamorelin is prohibited in sport (WADA).
How does it differ from CJC-1295?
Both are GHRH analogues. Tesamorelin has strong clinical data on visceral fat; CJC-1295 with DAC has a much longer duration of action, while CJC without DAC gives a short, pulsatile stimulus.
Can it be combined with other peptides?
Yes. It is suitable for combination with CJC-1295, Ipamorelin or BPC-157.
Molecule identity
| CAS number | 218949-48-5 |
|---|---|
| Molecular weight | 5136 g/mol |
| Molecular formula | C221H366N72O67S |
| Class | Synthetic GHRH analogue |
| Form | Lyophilised powder in a glass vial |
| Storage | Lyophilisate: 2–8 °C, dry and protected from light · after reconstitution: 2–8 °C |
Buy Tesamorelin in Cyprus – price
You can buy Tesamorelin in Cyprus online from Peptology. Prices by strength:
- 10mg: €60.00
- 30mg: €129.00
Orders placed by 15:00 on working days ship the same day and are delivered in 5–7 working days with BOX NOW. Shipping costs €2 and is free from €50; you pay on delivery – by card through the BOX NOW payment link, before you open the locker.
Tesamorelin 10/30 mg: which strength
Tesamorelin is available in: 10/30 mg.
Research protocols
Important: Reference information for research purposes — not a recommendation for use or medical advice.
In the clinical literature, Tesamorelin is generally administered on a daily schedule, because of the nature of the GHRH axis:
- It is usually administered once a day, to maintain steady stimulation of the axis
- Evening administration is studied for alignment with natural nocturnal GH secretion
- IGF-1 is often monitored as a marker of response and safety
GHRH analogues are sometimes studied in combination with GH-releasing peptides (GHRPs). The schedules come from the literature and do not constitute a recommendation for individual use.
Storage and reconstitution
It is supplied as a lyophilised powder in a vial (10 or 30 mg). Lyophilised, it is stable when refrigerated, away from light/humidity. For reconstitution, the recommended solvent is Peptide Matrix Water™, which significantly extends the shelf life of the solution.
- Before reconstitution: preferably refrigerated at 2–8 °C, away from light; stable for an extended period.
- With Peptide Matrix Water™ (recommended): refrigerator 2–8 °C up to 60 days — the best stability option.
- With bacteriostatic water or sterile water: refrigerator 2–8 °C up to 28 days. No re-freezing.
- Reconstitution: add the solvent slowly down the wall, without vigorous agitation.
Laboratory tip: Add Peptide Matrix Water™ to your basket — the recommended stabilising solvent for all reconstituted peptides.
Laboratory protocol — reconstitution, research protocols, storage
Standard protocol, applicable to all research peptides in the Peptology catalogue. For the concentration of the solution (mg/mL) per vial, use the peptide reconstitution calculator.
The 60-second protocol
1. SOLVENT
2. RECONSTITUTION
The solvent is added to the wall of the vial, without agitation, then wait 10–15 minutes.
3. CALCULATION
Calculator → concentration in mg/mL
4. STORAGE
+2 °C to +8 °C, up to 60 days with Peptide Matrix Water
Quick reference
| Parameter | Value |
|---|---|
| Form | Lyophilised powder |
| Solvent | Peptide Matrix Water |
| Volume for reconstitution | 1–3 mL — 3 mL maximum (capacity of the standard vial) |
| Storage before reconstitution | Room temperature, protected from direct light (refrigeration is not mandatory) |
| After reconstitution | Up to 60 days at +2 °C to +8 °C with Peptide Matrix Water |
What you will need
Precision pipette
Calibrated, 100–1000 µL — for accurate measurement of the volume of solvent added to the vial.
70% alcohol pads
Two pads — to disinfect the peptide vial and the solvent vial.
Stabilised solvent for lyophilised peptides. Why this one.
Five rules for reconstitution
| ✅ Correct | ❌ Wrong |
|---|---|
| Disinfect the stoppers and the work surface with 70% alcohol, work with gloves | Working without disinfection |
| The solvent is added slowly down the wall of the vial | Direct jet onto the powder — foaming and denaturation |
| Light swirling between the palms | Shaking — foam, on which the peptides denature |
| Wait 10–15 minutes at room temperature | Mechanical mixing or heating |
| Visual inspection: clear, without particles | Using a cloudy or coloured solution |
Calculating the concentration
⚠️ Maximum 3 mL of solvent. The standard vial does not allow a larger volume — do not exceed it during reconstitution.
- Concentration (mg/mL) = mg in the vial ÷ mL of solvent
- Volume per sample (mL) = amount per sample (mg) ÷ concentration (mg/mL)
- 1 mg/mL = 1 µg/µL · 1 mL = 1000 µL
Reconstitution per vial — solvent: Peptide Matrix Water. Concentration after addition (1 mg/mL = 1 µg/µL):
| Vial | + 1 mL | + 2 mL | + 3 mL |
|---|---|---|---|
| 10 mg | 10 mg/mL | 5 mg/mL | 3.33 mg/mL |
| 30 mg | 30 mg/mL | 15 mg/mL | 10 mg/mL |
👉 For any vial and solvent volume — use the calculator. It calculates the concentration (mg/mL, µg/µL) and the volume per sample (mL, µL).
Storage
BEFORE RECONSTITUTION
Room temperature, protected from direct light, in the original packaging. Refrigeration is not mandatory.
AFTER RECONSTITUTION
+2 °C to +8 °C, up to 60 days with Peptide Matrix Water. Discard the remainder after this period.
FREEZING
Not recommended. Freeze/thaw cycles degrade the structure of the peptide.
Four mistakes to avoid
1. Shaking for “faster dissolution”
Foam = denaturation. Only gentle swirling between the palms.
2. Unsuitable solvent
For the stability of the peptide structure, use only a sterile, purpose-designed solvent — Peptide Matrix Water is recommended.
3. Ignoring slight cloudiness
If it is not completely clear = the sample does not meet the criteria for work.
4. Removing it from the refrigerator “for an hour or two”
Short exposures add up and jeopardise stability.
Research status: All Peptology products are intended exclusively for laboratory use and research. They are not pharmaceutical products, have not been approved for human or veterinary use and do not replace medical advice. The protocol described is standard laboratory practice for working with lyophilised peptides.
How is it stored?
The lyophilised vial is preferably stored refrigerated, away from light. After reconstitution: with Peptide Matrix Water™ — up to 60 days at 2–8 °C; with bacteriostatic water — up to 28 days.
Purity and certificate of analysis
99%+ purity, HPLC/MS certificate for every batch.
Tesamorelin - 10mg - Batch - 0226 - Purity
Tesamorelin - 30mg - Batch - 0226 - Purity
Shipping and payment
Orders placed by 15:00 on working days ship the same day and are delivered in 5–7 working days with BOX NOW. Shipping costs €2 and is free from €50; you pay on delivery – by card through the BOX NOW payment link, before you open the locker.
🚚 Delivery information
- Orders placed by 15:00 are dispatched the same day, delivery in 5–7 working days.
-
Shipping with BOX NOW, chosen at checkout. Free shipping from €50, otherwise €2.
Frequently asked questions about Tesamorelin
Where can I buy Tesamorelin in Cyprus and what does it cost?
In Cyprus you can buy Tesamorelin online from Peptology, from €60.00 (10mg: €60.00, 30mg: €129.00). Delivery in 5–7 working days with BOX NOW, free from €50; you pay on delivery – by card through the BOX NOW payment link, before you open the locker.
What is Tesamorelin?
It is a stabilised synthetic GHRH analogue that stimulates natural growth hormone secretion. It is studied mainly for the reduction of visceral fat.
In what form is Tesamorelin available?
As a lyophilised powder in a glass vial (10/30 mg). It is reconstituted in the laboratory with Peptide Matrix Water™ or bacteriostatic water; you can work out the concentration (mg/mL) with the <a href="/page/peptide-calculator">reconstitution calculator</a>.
Which side effects have been reported in clinical studies of Tesamorelin?
From the clinical data, the reactions reported are mainly related to the increased GH/IGF-1 action and to injection-site reactions.
How long does delivery take and how do I pay?
Orders placed by 15:00 on working days ship the same day and are delivered in 5–7 working days with BOX NOW. Shipping costs €2 and is free from €50; you pay on delivery – by card through the BOX NOW payment link, before you open the locker.