Propionate (Masteron E / Dros E / Mast E / DRE) steroid raw powder, 99% purity

T&L Biosciences is a modern biotechnology enterprise specializing in the R&D, production, and global supply of active pharmaceutical ingredients (APIs), pharmaceutical intermediates, plant extracts, and functional ingredients. Our products serve a wide range of sectors—including pharmaceutical R&D, nutrition and health, cosmetics, dietary supplements, and the food industry—providing reliable, professional ingredient supply services to overseas brands, distributors, research institutions, and manufacturers.

We operate a standardized production and processing system; our facilities are designed according to modern production management principles and feature dedicated zones for raw material handling, synthesis and extraction, refining and processing, quality testing, packaging, and warehousing. Through standardized workflows and comprehensive process management, we effectively control every stage—from raw material procurement and production to quality testing, storage, and export—ensuring consistent product quality and efficient order fulfillment.

T&L Biosciences prioritizes quality management and technological innovation. We are equipped with professional testing, analysis, and R&D instrumentation, and maintain a robust quality control system covering raw materials, production processes, and finished products. We offer a range of services tailored to client needs, including specific product specifications, testing reports, sample testing, custom development, and bulk supply.

Leveraging a mature supply chain and extensive international trade experience, we have established a global sales and service network, exporting products to North America, Europe, Southeast Asia, the Middle East, and other international markets. Committed to quality, driven by technology, and focused on long-term partnerships, we continuously provide global customers with stable, efficient, and competitive ingredient solutions.