SerenQ HGH 100 IU is pharmaceutical grade recombinant somatropin (rDNA origin, 191 amino acid) supplied in a sealed, pre-filled injection pen. No reconstitution, no bacteriostatic water, no drawing up from vials. Dial the units on the pen, read them off the window, dispense.
Pharmaceutical grade recombinant HGH in a pre-filled pen
SerenQ Pharmaceuticals builds research grade somatropin into a sealed, pre-filled injection pen rather than a stack of lyophilised vials with separate bacteriostatic water. No reconstitution, no drawing up with a syringe barrel, no working out how many units you need from a bac water dilution. Dial the units, read them off the window, done.
SerenQ has appointed The Ped Shop as its exclusive UK stockist. Every pen sold here comes direct from the manufacturer, in sealed retail cartons, with a unique serial number and QR authenticity code on the label.
HGH
Somatropin (rDNA Origin) · Pre-filled Injection PenComposition & Dosing Guide
Somatropin 100 IU (33.3mg) · 3ml pen · 300 units| Units | Volume (ml) | Somatropin (IU) | Somatropin (mg) |
|---|---|---|---|
| 3 units | 0.03 ml | 1.00 IU | 0.33 mg |
| 6 units | 0.06 ml | 2.00 IU | 0.67 mg |
| 9 units | 0.09 ml | 3.00 IU | 1.00 mg |
| 12 units | 0.12 ml | 4.00 IU | 1.33 mg |
| 15 units | 0.15 ml | 5.00 IU | 1.66 mg |
| 18 units | 0.18 ml | 6.00 IU | 2.00 mg |
| 21 units | 0.21 ml | 7.00 IU | 2.33 mg |
| 24 units | 0.24 ml | 8.00 IU | 2.66 mg |
| 27 units | 0.27 ml | 9.00 IU | 3.00 mg |
| 30 units | 0.30 ml | 10.00 IU | 3.33 mg |
| … | … | … | … |
| 300 units | 3.00 ml (full pen) | 100.00 IU (total) | 33.30 mg (total) |
Third Party Testing
Every SerenQ batch is sent for independent analysis before it goes on general sale. Purity, identity and potency testing for this batch is currently with Analiza, and the certificate will be published on this page the moment it lands.
Check back here for the full certificate, or ask us and we will send it over as soon as it is released.
Serialised & QR Verified
Every SerenQ product carries a unique serial number and a QR code printed on the label. Scan it with any phone camera and you can independently confirm the pen is genuine SerenQ stock and check its batch details before you open the carton.
One code per pen. Each one can only be registered once, so a duplicate scan is an immediate red flag.
You can verify your SerenQ authenticity and view the latest HPLC at auth.seren-q.comAbout the compound
Somatropin is recombinant human growth hormone, a 191 amino acid single chain polypeptide with the identical sequence to the growth hormone secreted by the anterior pituitary. Rather than being extracted from human tissue, it is produced by inserting the human growth hormone gene into a host cell line (typically a strain of E. coli), which then expresses the protein at scale. The "rDNA origin" mark on the label is shorthand for this process.
Because the amino acid sequence matches endogenous hGH exactly, the recombinant protein binds the same growth hormone receptor and triggers the same downstream signalling cascades in the research literature. Two mechanisms dominate the published work: direct receptor activation across peripheral tissues, and hepatic release of Insulin-like Growth Factor 1 (IGF-1), which mediates a large portion of what is broadly labelled the "growth hormone effect".
Research applications for somatropin span several areas. In the body composition literature it has been examined for its effects on lean mass, adipose tissue and lipolysis via the JAK-STAT and PI3K-Akt pathways. In tissue repair work, IGF-1 driven anabolic signalling has been studied in muscle, connective tissue and skin fibroblast populations. Metabolic studies have looked at glucose handling, free fatty acid mobilisation and hepatic glucose output. There is also a body of work on sleep architecture, with growth hormone secretion showing a well characterised pulse during slow wave sleep in reference subjects.
The 100 IU loading in this pen equates to 33.3mg of somatropin, using the conventional 3 IU per mg conversion. The pen is graduated so that 9 units on the dial dispenses 3 IU (roughly 1mg), giving 33 clean 9 unit draws before the pen runs dry. Sub-unit dosing is possible by dialling smaller increments and reading them off the window.
The pen format
This is where SerenQ does things differently. Instead of ten lyophilised vials and a separate bacteriostatic water ampoule, the somatropin arrives pre-dissolved in a stabilised solution and pre-loaded into a graduated injection pen with a dial and a dose window. Every dial setting delivers a consistent, verifiable volume, and every unit on the dial holds the same 0.333 IU of somatropin.
- 100 IU (33.3mg) of somatropin per pen, pre-dissolved in solution
- 1 unit = 0.333 IU (approximately 111mcg)
- 9 units on the dial gives 3 IU (1mg)
- 300 units in total, which works out at 33 full 9 unit draws per pen
- Dial and dose window let you set the exact amount and read it back before dispensing
- 4 screw on pen tips supplied, individually sealed, 32G 0.23 x 4mm
- Protective cap, clip and a rigid retail carton for storage and transport
- Batch number, expiry and serial printed directly on the pen barrel, not just the box
Handling and storage
- Store refrigerated at 2 to 8°C. Do not freeze
- Keep in the outer carton, away from direct light
- Solution should be clear and colourless. Discard if cloudy, discoloured or if particulates are visible
- Short periods at room temperature during transit are expected and normal, though prolonged exposure will degrade potency
- Use a fresh sealed tip for each dispense and dispose of tips in a sharps container
- Expiry 12/2027 on sealed, correctly stored stock
- Keep out of reach of children and animals
What is in the box
- 1 × SerenQ HGH 100 IU (Somatropin, rDNA origin) pre-filled injection pen
- 4 × sealed pen tips, 32G 0.23 x 4mm
- Serialised, QR coded retail carton
100iu or 30iu, and how the sizes differ
The iu figure describes the total activity in the cartridge, not the strength of a dose. A 100iu pen holds 100 international units in total; the 30iu pen holds more. Both are dialled in units of volume.
That matters because moving between them and keeping the same dial number does not continue your previous routine, it changes the amount delivered, with nothing visible on the dial to tell you. Work out the per-unit figure for the pen in front of you.
The 30iu pen is the better cost-per-iu proposition with fewer cartridge changes; the smaller one limits how long a single cartridge stays in use and suits anyone assessing tolerance first. An opened cartridge is on a clock, so a large pen used slowly can outlive its own in-use window.
Against the secretagogues: these pens supply growth hormone itself. The Ipamorelin + CJC-1295 pen asks your own pituitary for more instead, a smaller effect, and a different proposition entirely.
Guides that go deeper:
For research purposes only
This product is sold strictly as a laboratory research chemical. It is not a medicine, not a supplement and not a cosmetic. It is not for human or veterinary consumption, and it is not intended to diagnose, treat, cure or prevent any disease or condition.
Whilst somatropin is a licensed medicinal ingredient in the UK under several prescription brands, SerenQ HGH is not one of those licensed medicines. It is not authorised by the MHRA, the FDA or any other medicines regulator, and nothing on this page should be read as medical advice, a recommendation, or a suggestion of use in humans or animals.
By purchasing you confirm you are 18 or over, that you are acquiring this product for legitimate laboratory research or analytical use only, and that you accept full responsibility for its safe handling, storage and lawful use under the regulations that apply where you are.
