Certified Peptides
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Vendors that ship to Puerto Rico
Each store here lists Puerto Rico in its shipping countries. Compare them by what verified buyers say.
5 of 16 stores ship to Puerto Rico. Show every country
AIO Peptides is a U.S.-based research peptide company committed to quality, transparency, and exceptional customer service. We proudly offer FedEx 2-Day Express shipping nationwide and consistently provide competitive pricing and promotions. We are currently offering 20% OFF sitewide with no code necessary — discounts are automatically applied at checkout.
Glacier Aminos is a research-grade peptide and compound supplier built on transparency, quality, and trust. Every batch is third-party tested with verified COAs published directly on each product page. We operate with fast fulfillment, responsive customer support, and a thriving private community for our customers. Wholesale and white label programs are available for qualified partners, backed by competitive pricing, reliable inventory, and dedicated account support.
We believe researchers deserve more than a purity percentage. At Oneday Compounds, we provide compounds manufactured in GMP-aligned facilities. Every batch undergoes analytical verification through ISO/IEC 17025 accredited laboratories, including USP <71> sterility, endotoxin, heavy metals, identity, purity, and net content testing. Combined with exceptional customer service, we deliver a research experience built on transparency, consistency, and trust.
Zen Aminos supplies high-quality research peptides, compounds, laboratory supplies, and personal-care products with transparent product information and accessible third-party testing. Research products are sold strictly for laboratory research use only and are not for human or veterinary use.