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Free US shipping for orders above $200
The Hormones & Hormone-Like Substances category features high-purity research compounds designed for scientific studies focused on endocrine signaling, hormonal regulation, and receptor-mediated biological processes. These peptides and analogs are commonly used in laboratory research to investigate hormone synthesis, receptor interactions, and downstream physiological effects. Manufactured under strict quality standards, all products in this category are intended for research and analytical use only, supporting advanced exploration of hormonal pathways and endocrine biology.
HPLS
Testing
Endotoxin
Assay
TYMC
Test
TYMC
Test
Heavy Metal
Screening
1688pharmacy is more than just a trusted supplier of research peptides. We are committed to scientific advancement, dedicated to providing the highest quality pharmaceutical-grade compounds that empower researchers and clients to achieve their goals.
Our proprietary processes and meticulous sourcing of premium materials ensure that every peptide we offer meets the most stringent pharmaceutical standards with verified 99% purity.
Every peptide undergoes rigorous third-party laboratory testing using advanced techniques like HPLC, LC-MS, and NMR. Complete Certificates of Analysis available for transparency and verification.
We provide expedited worldwide shipping with reliable tracking and discreet packaging. Our dedicated customer support team assists with orders, storage guidelines, and product inquiries promptly.
