TRH Thyrotropin 20 mg – Thyroid-Stimulating Peptide by Peptide Hubs
TRH Thyrotropin (Thyrotropin-Releasing Hormone) is a synthetic tripeptide used in research exploring thyroid function, neuroendocrine signaling, and metabolic regulation. This 20 mg (2 mL) vial by Peptide Hubs is formulated for research use only, offering high-purity material for labs studying hormonal stimulation of the hypothalamic-pituitary-thyroid (HPT) axis.
What Is TRH Thyrotropin?
TRH (Thyrotropin-Releasing Hormone) is a naturally occurring peptide hormone produced in the hypothalamus. It stimulates the pituitary gland to release thyroid-stimulating hormone (TSH), which in turn promotes the secretion of T3 and T4 from the thyroid gland. In experimental research, TRH is investigated not only for thyroid-related effects but also for its central nervous system activity, antidepressant-like effects, and role in energy regulation.
According to research published on PubMed, TRH influences mood, autonomic function, and metabolism, making it a target of interest in neuroendocrine studies.
Key Research Applications
- Thyroid hormone stimulation (TSH, T3, T4)
- Neuroendocrine feedback regulation
- Antidepressant-like effects in CNS models
- Metabolic rate and energy expenditure studies
- Potential anti-aging and hormonal support protocols
Technical Details
Peptide Type
Hypothalamic Regulatory Tripeptide
Peptide Sequence
pGlu-His-Pro-NHβ
Peptide Length
3 Amino-Acid Residues
N-Terminal Structure
Pyroglutamate (pGlu)
C-Terminal Structure
Prolinamide (-Pro-NHβ)
Molecular Formula
CββHββNβOβ
Molecular Weight
362.38 g/mol
Primary Receptor
Thyrotropin-Releasing Hormone Receptor (TRHR)
Endocrine Pathway
Hypothalamic–Pituitary–Thyroid Axis
Pituitary Signaling
TSH & Prolactin Release
Dosage & Usage Guidelines
In research protocols, TRH is typically administered at 5–10 mg per week, divided into multiple subcutaneous or intramuscular injections. Cycles may last 2–4 weeks depending on the study focus (e.g., thyroid hormone output, neurological behavior, or hormonal rebalancing).
Peptides Commonly Stacked with TRH
TRH is often used in combination with peptides that enhance hormonal or neuroprotective effects. Consider stacking with:
- CJC-1295 no DAC – to support GH release and pituitary function
- Ipamorelin – for synergistic hypothalamic-pituitary stimulation
- GHK-Cu – supports tissue repair and hormone receptor sensitivity
- Selank – neuroactive peptide for mood and cognitive support
- Thymalin – promotes immune and endocrine balance
Safety & Laboratory Notes
TRH is considered safe in preclinical use, with no toxicity reported in endocrine studies. It does not interfere with androgenic or estrogenic pathways and is not hepatotoxic. Injection site reactions may occur but are generally mild and self-limiting. This peptide is for research use only and is not approved for human or veterinary use.
USA Shipping & Research Compliance
Peptide Hubs offers fast and discreet USA domestic shipping for TRH Thyrotropin 20 mg and all catalog peptides. Each vial is produced in GMP-compliant labs and undergoes strict purity verification. For endocrine-focused research, consider pairing this peptide with AOD 9604 to explore additional metabolic synergy.
Shipping & Product Authenticity
USA Domestic
4–5 business days
International
13–15 business days
Order Processing
24–48 business hours
Tracking
Tracking number provided
Direct Supply & Discreet Delivery
This product is supplied through the official Peptide Hubs distribution chain and shipped in original manufacturer packaging. The outer shipping package remains discreet, with privacy-focused handling and no unnecessary external product details.
What to Expect
- β Orders are processed after payment confirmation
- β USA Domestic shipping is typically faster when local stock is selected
- β International orders include tracking, though update frequency may vary by destination
- β Multiple warehouses may result in separate shipments when applicable
Authenticity support: official Peptide Hubs presentation, batch-linked lab proof, and original packaging help reinforce product legitimacy and buyer confidence.
Verified Supply
For complete delivery details, tracking policy, and reshipment terms, please see our Shipping Info page.
Storage
Store the lyophilized powder at controlled room temperature (15–25°C) in a dry, dark place, away from direct light and moisture. The unopened vial should be kept in its original packaging to maintain stability.
After reconstitution, store the solution at 2–8°C and use within 14 days. Do not freeze. Discard any unused portion after the recommended storage period. Before use, inspect the solution and avoid use if it appears cloudy, discolored, or contains particulate matter, or if the vial or seal is compromised.
Keep out of reach of children. Follow proper handling and sterile injection practices during research use.
Proper storage conditions help maintain product stability and consistent performance across the product's shelf life.
Frequently Asked Questions
What is TRH Thyrotropin used for in research?
It is used to study thyroid hormone stimulation, pituitary feedback loops, and neuroendocrine signaling in metabolic and CNS models.
Does TRH influence mood or cognition?
Yes, TRH is being studied for its antidepressant-like and neuroprotective properties, particularly in models of CNS fatigue or mood dysfunction.
How is TRH administered in research?
It is typically injected subcutaneously or intramuscularly at doses between 5β10 mg per week depending on study design.
Can TRH be combined with other peptides?
Yes, TRH is often stacked with peptides like CJC-1295, Ipamorelin, and Selank to support hormonal and neurochemical synergy.
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