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)
✓ Verify on Janoshik
Frequently Asked Questions
How are Vesta research tablets supplied?
Vesta research tablets are supplied as pre-dosed oral tablets at the stated concentration.
No reconstitution is required. Each tablet is compressed at uniform dose for consistent dosing in research applications. How should research tablets be stored?
Store at room temperature (15–25°C) in a cool, dry place away from moisture, heat, and direct sunlight.
Keep in the original container. Properly stored tablets remain stable for 2–3 years. What purity are Vesta research tablets and how is it verified?
Vesta research tablets contain active ingredient at ≥99% HPLC purity before tableting, with MS-confirmed identity on every batch. COA is published on the product page and independently verifiable at verify.janoshik.com. Peptide Research Tools: Use Vesta’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
International shipping: 7–14 days