Cellular & Signaling Peptides

Cellular and signaling peptides offered for research and laboratory use. This category includes compounds commonly studied for their role in cellular communication and signaling pathways, presented with clear labeling and consistent organization to support structured research.

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Picture of Oxytocin Acetate 2mg

Oxytocin Acetate 2mg

High-purity ≥99% Oxytocin Acetate research-grade hormone peptide (2mg lyophilized vial) for laboratory studies on social and reproductive signaling – research use only.
10% Off
From $22.22 $44.44
Picture of PT-141 10mg

PT-141 10mg

High-purity ≥99% PT-141 (Bremelanotide) research-grade melanocortin peptide (10mg lyophilized vial) for in vitro studies on receptor pathways – strictly laboratory use only.
11% Off
From $33.33 $66.67
Research-grade Selank peptide supplied in a for laboratory and analytical use only.

Selank

High-purity Selank research-grade anxiolytic peptide in lyophilized vial, supplied strictly for in vitro lab research – not for consumption.
From $25.00
Picture of Semax

Semax

High-purity Semax research-grade nootropic peptide in lyophilized vial for laboratory investigation and analytical purposes only – research use only.
From $25.00
Picture of Sermorelin Acetate

Sermorelin Acetate

≥99% pure Sermorelin Acetate research-grade GHRH peptide in lyophilized vial for in vitro laboratory and analytical studies only.
From $41.67
Picture of snap-8 10mg

snap-8 10mg

High-purity SNAP-8 research-grade anti-wrinkle octapeptide compound (10mg lyophilized vial) for laboratory research on neuromuscular signaling – research use only.
11% Off
From $27.78 $55.56

All peptide products offered by Sumrday, LLC are sold for research, laboratory, or analytical purposes only and are not intended for human or animal consumption.

Statements on this website have not been evaluated by the U.S. Food and Drug Administration. Products are not intended to diagnose, treat, cure, or prevent any disease.

Sumrday, LLC is a product supplier and is not a compounding pharmacy or outsourcing facility as defined under Sections 503A or 503B of the Federal Food, Drug, and Cosmetic Act.