Frequently Asked Questions

Peptides are short chains of amino acids studied for their potential applications in performance, recovery, and wellness research.

No. GL Peptides products are strictly intended for laboratory research purposes only. They are not intended for human consumption, diagnostic, or therapeutic use, and comply with research-grade standards.

Yes. Every batch comes with a Certificate of Analysis from an independent, ISO-certified laboratory. Each COA includes purity verification, identification confirmation, and batch-specific results for complete transparency.

We offer a comprehensive range of research-grade peptides including growth factors, metabolic peptides, and specialized compounds for laboratory research, all synthesized to high standards and verified for purity and authenticity.

No. Our products are strictly for research purposes only and are not intended for human or animal consumption. They are designed for in-vitro laboratory research and educational purposes.

No. We currently only ship within the United States.

Domestic orders typically arrive within 3-5 business days after processing.

We accept all major credit cards (Visa, MasterCard, American Express) and other secure options. All transactions are processed through encrypted payment gateways.

Yes. We offer competitive bulk pricing for research institutions and laboratories. Contact our team with your requirements for a custom quote — volume discounts are available above certain thresholds.