Description
Our Taltirelin is a long-acting TRH analog, supplied for lab research. It’s tested to 99% purity or higher and sold strictly for lab research.
Taltirelin explained
Taltirelin is a synthetic TRH analog developed by Tanabe Seiyaku in Japan. It’s about 100 times more potent in the brain than natural TRH and lasts much longer.
It’s approved in Japan as Ceredist for spinocerebellar degeneration, a group of movement disorders.
Mechanism of action
Taltirelin activates TRH receptors in the brain, raising acetylcholine and dopamine release in several regions. Its structure resists the enzyme that breaks down TRH in seconds.
That stability is the reason it can be studied for longer-lasting central effects.
What studies say about Taltirelin
Clinical studies in Japan reported improvements in ataxia scores in spinocerebellar degeneration. Animal work shows stimulant and arousal effects through the TRH system.
It has weaker effects on TSH release than TRH, which makes it more selective for the brain.
For the studies themselves, try this PubMed search.
Options and prices
This listing is a single 20mg size, priced at $197.29.
Study design notes
Growth hormone research usually measures GH pulses and IGF-1 in blood, and sometimes body composition. Because GH comes in pulses, sampling time matters a lot.
Many labs pair a GHRH-type peptide with a ghrelin-receptor peptide to study how the two signals add up. Fasting state and time of day both change GH output, so keep them constant between groups.
Typical endpoints are serum GH at several time points, IGF-1, IGFBP-3, and body composition in longer studies. Some labs also track sleep, since GH release peaks in deep sleep.
Taltirelin specifications
- Compound: Taltirelin
- CAS number: 103300-74-9
- Molecular formula: C17H23N7O5
- Molar mass: 405.4 g/mol
- Structure: modified pGlu-His-Pro-NH2
- Class: long-acting TRH analog
- Size: 20mg
- Purity: 99% or higher, verified by first- and third-party testing
- Use: laboratory research only
Quality and testing
Every batch is tested before it goes on sale. Identity is checked by mass spectrometry, and purity by HPLC, with a target of 99% or higher.
Each container is labeled with the product, the amount and the batch number. Email us that number and we’ll send the certificate of analysis for your batch.
Storage and shelf life
Keep the container sealed at room temperature, away from heat, moisture and sunlight. Label the container with the opening date. It saves guesswork later.
Working with it safely
Wear gloves and eye protection when you open or measure it, and work on a clean surface.
Label everything you prepare, keep it away from food areas, and follow your lab’s rules for disposing of sharps and chemical waste.
Related products
- Tesamorelin: Tesamorelin is the full 44-amino-acid GHRH with a trans-3-hexenoyl group added.
- MK-677 + Zinc + 5-HTP + Vitamin B6 + TUDCA Capsules, combining MK-677, 5-HTP, B-6 and TUDCA
- Ipamorelin: Ipamorelin is a pentapeptide growth hormone secretagogue developed by Novo Nordisk.
- Follistatin: Follistatin is a glycoprotein that binds and blocks activin and myostatin.
- MGF (Mechano Growth Factor): Mechano growth factor is a version of IGF-1 that muscle makes after mechanical load or damage.
For the wider range, visit our growth hormone peptides sections.
Similar compounds compared
Ibutamoren (MK-677): MK-677 (ibutamoren) is an orally active, nonpeptide growth hormone secretagogue developed by Merck. It mimics ghrelin at the GHS-R1a receptor, raising growth hormone and IGF-1. It’s often sold next to SARMs, but it isn’t one.
CJC-1295 With DAC: CJC-1295 with DAC is modified GRF(1-29), the first 29 amino acids of growth hormone releasing hormone with four substitutions, plus a lysine carrying a maleimide linker. That linker is the drug affinity complex, made by ConjuChem in Montreal.
Common questions about Taltirelin
How should I store it?
Follow the storage section above. In short: cold and dark for freeze-dried vials, room temperature and dry for capsules, tablets, powders and liquids, unless the label says otherwise.
Is Taltirelin in stock?
Yes. It’s in stock and ships from our warehouse after your order clears.
Does it come with a certificate of analysis?
Yes. Every batch is tested, and we’ll email the certificate of analysis for your batch number on request.
Can it be used in people or animals?
No. It’s sold for laboratory research only and isn’t approved for human or veterinary use.
Order Taltirelin today
Taltirelin is in stock at $197.29. Add it to the cart and check out in a couple of minutes.
Need more for the same project? Have a look at our growth hormone peptides and research peptides.
For laboratory research use only. Not for human or veterinary use. These statements have not been evaluated by the FDA.






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