FOR RESEARCH USE ONLY. Not for human consumption. Must be 21+ to purchase. These products are not approved by the FDA.
~99.9% PURITY COA AVAILABLE 3RD-PARTY TESTED
T4 (Levothyroxine) For Sale — Buy Metabolic Research Compound
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T4 (Levothyroxine) For Sale — Buy Metabolic Research Compound

$54.99
● IN STOCK
Buy T4 (Levothyroxine) for sale —

T4 (Levothyroxine) research compound — 100mcg capsules. ~99% purity. Thyroid prohormone. Third-party tested For research use only. Not for human consumption.

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~99.9% PURITY THIRD-PARTY TESTED COA AVAILABLE US-BASED SAME-DAY SHIP
FOR RESEARCH USE ONLY. This product is not intended for human or veterinary use, diagnosis, or therapeutic use. Must be 21+ to purchase. Not evaluated by the FDA.

Looking to buy T4 (Levothyroxine) for your research? EdgeChems supplies T4 (Levothyroxine) for sale as a research-grade metabolic research compound, HPLC-verified at ≥98% purity — available for laboratory order with third-party Certificate of Analysis on every batch.

T4 (Levothyroxine / L-thyroxine) is the major secretory product of the thyroid gland and prohormone to the active T3. 100mcg capsule format. Third-party tested. For laboratory and research purposes only For research use only. Not for human consumption.

Research documentation for this compound is being prepared. Visit the Research Library for related compound guides.

Certificate of Analysis

Every EdgeChems batch is independently tested by ISO-accredited third-party laboratories using HPLC and mass spectrometry analysis before shipping. Certificate of Analysis documents confirm compound identity, purity percentage, and batch number.

Test Method
HPLC-MS
Purity Standard
~99% Minimum
Testing
Third-Party Independent
CoA Frequency
Every Batch
View All Lab Results →

Batch-specific CoA documents available on request. Email sales@edgechems.com with your order number.

~99%
Minimum Purity
✓ HPLC Verified
✓ Mass Spec Confirmed
✓ ISO Lab Tested
✓ Batch Documented
  • Same-day dispatch for orders placed before 12PM EST (Monday–Friday)
  • Shipped in discrete, temperature-stable packaging
  • Domestic US delivery: 2–5 business days (standard), 1–2 days (express)
  • Storage recommendation: lyophilized peptides should be stored at -20°C for long-term stability
  • Reconstituted solutions: 2–8°C, use within 28 days
  • Do not expose to direct sunlight or repeated freeze-thaw cycles
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