T3 Liothyronine 25mcg Tablets | 100-Count | Liothyronine / T3
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T3 Liothyronine 25mcg Tablets | 100-Count — Active thyroid hormone (liothyronine) — direct TRα/TRβ agonist responsible for metabolic rate regulation, lipid oxidation, cardiac output, and protein synthesis; studied in thyroid pharmacology research. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.
* The information on this page is a summary and is not intended to cover all available information about this medication. It does not cover all possible uses, directions, precautions, drug interactions or adverse effects and is not a substitute for the expertise and judgement of your healthcare professional.
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What is T3 Liothyronine?
Liothyronine (T3) is the biologically active thyroid hormone — 3-4× more potent than T4 at thyroid receptor binding. Directly activates TRα/TRβ without peripheral deiodination. Research: metabolic rate regulation, thermogenesis, thyroid receptor pharmacology, hypothyroid models. CAS 6893-02-3.
Research Applications
Thyroid Receptor Pharmacology
Direct TRα/TRβ activation — no deiodination required
Metabolic Rate Research
BMR upregulation — mitochondrial uncoupling, thermogenesis
Hypothyroid Models
Thyroidectomised rodent T3 replacement and dose-response
GH/IGF-1 Axis
T3 permissive effect on IGF-1 — GH axis interaction
T3 vs T4 Comparison
Active vs prohormone — direct pharmacological comparison
Quick Specs
| Form | Tablet — 25mcg per tablet, 100-tablet bottle |
| CAS Number | 6893-02-3 |
| Molecular Formula | C₁₅H₁₂I₃NO₄ |
| Molecular Weight | 650.97 g/mol |
| Compound Type | Thyroid Hormone |
| Purity | ≥99% by HPLC — every batch |
| Identity | MS molecular weight confirmed — every batch |
| COA | Janoshik-independent, publicly verifiable |
| Manufacture | In-house synthesis — Qingdao, China |
| Storage | Room temperature sealed | cool, dry storage |
| Shelf Life | 24 months unopened |
Certificate of Analysis (COA)
Frequently Asked Questions
Frequently asked questions
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