Tuftsin is a naturally occurring tetrapeptide (Thr-Lys-Pro-Arg) with immunostimulatory activity, acting on phagocytes to enhance macrophage function and immune-cell activation. Investigators use the defined sequence in studies of innate immunity, macrophage biology and immunomodulation, and the lyophilized format supports reproducible dosing in cell-based assays. In innate-immunity research, this tetrapeptide is typically run in phagocyte-activation assays, where macrophage function and immune-cell readouts are measured across concentrations, and investigators compare it with other immunostimulatory peptides. The lyophilized material reconstitutes for cell-based work, and our records verify purity per batch. Trial and bulk quantities are available, with packing matched to the destination. For this tetrapeptide, the parcel includes the analysis record and reconstitution notes, and the lyophilized material is easy to prepare for phagocyte-activation assays. We can supply matched vials for multi-condition designs and coordinate delivery that preserves the material through transit. Bulk options are available. With a stable supply chain and strict quality control, we serve research teams and distributors in many countries. Every parcel is professionally packed and tracked, and we provide timely communication from order to delivery, plus after-sales support. Questions about specifications, certificates or shipping are always welcome: WhatsApp +852 4423 6619, Aurora is your contact, email 18963519387@163.com. YIWU SHUNXIAN TRADING CO., LTD. stands as a beacon of precision and reliability in the field of scientific research, emerging as a premier supplier of high-purity research-grade peptides and an extensive range of meticulously crafted laboratory consumables. Each peptide - a chain of amino acids refined to perfection - is delivered with crystalline clarity, a testament to its exceptional purity. This ensures that global research teams, whether based in bustling urban laboratories or serene academic institutions, can trust in the integrity of their biochemical and life science studies. In these collaborative spaces, the air hums with the quiet intensity of discovery as scientists lean over microscopes, their eyes alight with curiosity, handling vials of these molecular building blocks. The accompanying laboratory consumables - from sterile pipette tips that glint like tiny glass stars to centrifuge tubes engineered for unwavering stability - are more than mere tools; they are silent partners in the pursuit of knowledge, enabling experiments to unfold with seamless precision. Dedicated to supporting this global tapestry of innovation, YIWU SHUNXIAN TRADING CO., LTD. weaves itself into the fabric of scientific progress, providing the foundational elements that transform hypotheses into breakthroughs and dreams into discoveries, fostering a world where the boundaries of life sciences are continuously pushed forward. We bridge qualified peptide raw-material resources with stable international logistics services, offering researchers and industry partners a dependable source for their laboratory development projects.