Follistatin is a recombinant protein that binds and neutralizes activin and myostatin, studied in muscle-growth research. It is supplied as a high-purity lyophilized powder in sealed vials for laboratory use. Follistatin is investigated in research on muscle-mass regulation and growth-factor signaling, and is commonly applied in cell-culture and preclinical studies. The lyophilized presentation supports convenient reconstitution and consistent experimental dosing. The protein ability to neutralize myostatin and activin places it at the center of muscle-mass regulation research, and investigators study its effects on satellite-cell activity and muscle-fiber composition. It is also examined in reproductive and hepatic contexts. The product is lyophilized with purity verification and batch records. The protein is often studied in combination with other regulators of the transforming-growth-factor-beta superfamily to map signaling crosstalk in muscle and reproductive tissues. Investigators value its defined activity profile and the reproducible handling of the lyophilized preparation, and quality data accompany each shipment for experimental transparency. Trial quantities are available for most products so researchers can evaluate material quality before committing to larger volumes, and bulk pricing is offered for established programs. Custom pack splits and labeling can be arranged for distribution needs. Our customer service provides specification sheets, handling guidance and order assistance in English. Feel free to reach out for price lists, availability or customization requests. WhatsApp: +852 4423 6619, contact person: Aurora, Email: 18963519387@163.com. Our sales team provides friendly and efficient service for international buyers. YIWU SHUNXIAN TRADING CO., LTD. is a professional supplier of high-purity research-grade peptides and matching laboratory consumables, dedicated to supporting global research teams for biochemical and life-science studies. We bridge qualified peptide raw-material resources with stable international logistics service, offering researchers and industry partners a dependable source for their laboratory development projects. The peptide is frequently incorporated into multi-parameter study designs where stable supply and consistent quality are critical, and our team supports logistics planning from quote to delivery.