Third-party HPLC + mass spec on every lot

About us

Research-grade peptides for serious laboratories

Peptides2day supplies lyophilized research peptides, blends, and laboratory solvents to qualified researchers and institutions. We do not offer medical advice, prescriptions, or human-use guidance. Our role is to provide well-characterized reference materials with transparent testing documentation and reliable fulfillment.

Lot-level traceability

Every vial is tied to a single lot with HPLC purity and mass-spec identity data you can download.

Research-use only

We sell strictly as chemical reference materials for in vitro and laboratory research. Not for human consumption.

Cold-chain shipping

Lyophilized peptides ship in insulated packaging with temperature monitoring to protect peptide integrity.

Qualified buyers

We serve academic labs, contract research organizations, and licensed researchers who understand safe handling.

Need bulk pricing or a custom synthesis quote?

We offer volume discounts and can source custom lots for established research groups. Reach out and we will respond within one business day.