Pharmaceutical-grade peptides & lab-use compounds available online.

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Fitness & Body Composition

The Fitness & Body Composition category features high-purity research peptides and compounds designed for scientific studies focused on muscle growth, body composition, and physical performance. These peptides are commonly used in laboratory research to investigate lean mass development, fat reduction, hormonal regulation, and metabolic pathways related to exercise physiology. Manufactured under strict quality standards, all products in this category are intended for research and analytical use only, supporting advanced exploration of body composition and fitness-related biological processes.

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HPLS
Testing

Endotoxin
Assay

TYMC
Test

TYMC
Test

Heavy Metal
Screening

Your Reliable Source for High-Quality Research Peptides

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.

Unparalleled Quality

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.

Independently Verified

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.

Fast Shipping & Support

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.