Research-grade catalogue
Single Peptides
Single-compound products, one peptide per unit, available in both pre-mixed pen and lyophilised vial formats. Filter by Peptide Pens or Peptide Vials to narrow by format.
One compound per unit
Everything in this category contains a single peptide and nothing else. That is the whole definition, and it is the property that makes these products the default starting point for research work.
The reason is interpretability. When a preparation contains one compound, an observed result can be attributed to that compound. When it contains three at a fixed ratio, it cannot: the result belongs to the combination, and no amount of care in the rest of the method separates out which component produced it. A blend is the right choice when the combination itself is the object of study, and the wrong one when the question concerns a single compound. The blends versus single compounds guide sets out that trade-off.
Two formats, same compound
This category spans both formats we supply, which is what distinguishes it from the format-specific categories.
A lyophilised vial holds the compound as a freeze-dried powder. It is reconstituted at the bench, so the laboratory sets the working concentration by choosing the diluent volume, and the sealed powder stores for far longer than any solution. That flexibility costs a preparation step and introduces a point at which two units can diverge.
A pre-mixed pen arrives as a sealed 3 ml cartridge already in solution, in a dial-dosing device. There is nothing to prepare and no preparation variance, and a given click count displaces the same volume every time. The concentration is fixed at manufacture and cannot be changed.
Neither is better in general. The choice follows the work: a vial where concentration is a variable, a pen where repeatability between measurements matters more. The pens versus vials guide compares them directly.
What the range covers
Eighteen compounds across twenty-nine products. Five are stocked in both formats, so the same compound can be taken as a powder or as a ready-made cartridge depending on what the work needs.
The growth hormone secretagogues are Ipamorelin, both forms of CJC-1295, and Tesamorelin.
Repair and recovery is covered by BPC-157 and TB-500. The nootropics are Semax and Selank. The remainder are GHK-Cu, Melanotan II, MOTS-c, DSIP, Epithalon, Pinealon and Kisspeptin-10.
Which compounds come in which format
| Compound | Vial | Pen | From |
|---|---|---|---|
| BPC-157 | Yes | No | £24.99 |
| CJC-1295 with DAC | Yes | No | £32.99 |
| CJC-1295 without DAC | Yes | No | £34.99 |
| DSIP | Yes | No | £22.99 |
| Epithalon | Yes | No | £22.99 |
| GHK-Cu | Yes | Yes | £26.99 |
| Ipamorelin | Yes | Yes | £24.99 |
| Kisspeptin-10 | Yes | No | £27.99 |
| Melanotan II | No | Yes | £70.00 |
| MOTS-c | Yes | Yes | £26.99 |
| Pinealon | Yes | No | £24.99 |
| Selank | Yes | Yes | £24.99 |
| Semax | Yes | Yes | £26.99 |
| TB-500 | Yes | No | £32.99 |
| Tesamorelin | No | Yes | £160.00 |
Choosing a strength
Where a compound is stocked at two strengths, the larger vial is always the lower cost per milligram. That is not automatically the better buy, because a vial is a single sealed unit and the clock starts on the whole of it at reconstitution, not on the portion drawn.
So the smaller strength suits shorter work or a first pass with an unfamiliar compound, and the larger suits sustained work that will consume the material while the solution is still fresh. Buying the larger size and leaving most of it standing in solution is the one case where it is the worse value.
Purity and presentation
Vials are supplied as lyophilised powder at a stated purity of ≥98% by RP-HPLC. Pens are supplied as a sealed 3 ml cartridge of stabilised solution in a dial-dosing device, with the concentration set at manufacture.
Sealed vials are stable dry and ship as ordinary tracked parcels without cold chain. Once reconstituted, a solution should be refrigerated and treated as having a life measured in weeks. Our storage guide and the storage and handling page cover both.
Supplied for laboratory research use only
Every product in this category is supplied strictly as a research chemical for laboratory use. None is a medicine, none is licensed by the MHRA, and none is supplied for administration to humans or animals or for any diagnostic purpose. Our research use only policy sets out the terms, and the research use only guide explains what the designation means. The UK legal position guide covers the regulatory background.
Common questions
What is a single peptide product?
One containing a single compound and nothing else, as opposed to a blend of several at a fixed ratio. It is the format that allows an observed result to be attributed to a specific compound.
Do you supply single compounds as vials or as pens?
Both. Thirteen compounds are stocked as lyophilised vials, ten as pre-mixed pens, and five of those are available either way.
Which format should I choose?
A vial where the work needs control over concentration or long storage. A pen where repeatability between measurements matters more and a fixed concentration is acceptable.
Why choose a single compound over a blend?
Because a fixed-ratio blend cannot tell you which component produced an observed effect. Where the research question concerns one compound, a single-compound product is the interpretable choice.
How are the peptides shipped?
As standard tracked UK parcels, dispatched same day on orders placed before 2pm. Sealed lyophilised powder does not require cold chain for a domestic transit. See shipping and delivery.
